1347 lines
44 KiB
Plaintext
1347 lines
44 KiB
Plaintext
result_format: 2
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SELECT PLUGIN_NAME,PLUGIN_VERSION,PLUGIN_STATUS,PLUGIN_TYPE,
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PLUGIN_LIBRARY,PLUGIN_LIBRARY_VERSION,PLUGIN_AUTHOR,PLUGIN_DESCRIPTION
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FROM information_schema.plugins WHERE PLUGIN_NAME = 'ndbinfo';
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PLUGIN_NAME PLUGIN_VERSION PLUGIN_STATUS PLUGIN_TYPE PLUGIN_LIBRARY PLUGIN_LIBRARY_VERSION PLUGIN_AUTHOR PLUGIN_DESCRIPTION
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ndbinfo 0.1 ACTIVE STORAGE ENGINE NULL NULL Sun Microsystems Inc. MySQL Cluster system information storage engine
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## Creation of temporary tables should not be supported by NDBINFO engine
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CREATE TEMPORARY TABLE `t1` (
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`dummy` INT UNSIGNED
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) ENGINE=NDBINFO;
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ERROR HY000: Table storage engine 'ndbinfo' does not support the create option 'TEMPORARY'
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USE ndbinfo;
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SELECT node_id, memory_type, used>0 AND used < total/20 AS used_ok,
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used_pages>0 AND used_pages < total_pages/20 AS used_pages_ok,
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total, total_pages
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FROM ndbinfo.memoryusage WHERE memory_type="Long message buffer"
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ORDER BY node_id;
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node_id memory_type used_ok used_pages_ok total total_pages
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1 Long message buffer 0 0 4194304 16384
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2 Long message buffer 0 0 4194304 16384
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SELECT node_id, block_number, block_instance, pool_name,
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used>0 AND used < total/20 AS used_ok,
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total, high>=used AND high < total/20 AS high_ok, entry_size, config_param1,
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config_param2, config_param3, config_param4
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FROM ndbinfo.ndb$pools WHERE pool_name="Long message buffer"
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ORDER BY node_id;
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node_id block_number block_instance pool_name used_ok total high_ok entry_size config_param1 config_param2 config_param3 config_param4
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1 254 0 Long message buffer 0 16384 0 256 157 0 0 0
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2 254 0 Long message buffer 0 16384 0 256 157 0 0 0
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SHOW CREATE TABLE ndb$tables;
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Table Create Table
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ndb$tables CREATE TABLE `ndb$tables` (
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`table_id` int(10) unsigned DEFAULT NULL,
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`table_name` varchar(512) DEFAULT NULL,
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`comment` varchar(512) DEFAULT NULL
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) ENGINE=NDBINFO DEFAULT CHARSET=latin1 COMMENT='metadata for tables available through ndbinfo'
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SELECT * FROM ndb$tables;
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table_id table_name comment
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0 tables metadata for tables available through ndbinfo
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1 columns metadata for columns available through ndbinfo
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2 test for testing
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3 pools pool usage
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4 transporters transporter status
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5 logspaces logspace usage
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6 logbuffers logbuffer usage
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7 resources resources usage (a.k.a superpool)
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8 counters monotonic counters
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9 nodes node status
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10 diskpagebuffer disk page buffer info
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11 threadblocks which blocks are run in which threads
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12 threadstat Statistics on execution threads
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13 transactions transactions
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14 operations operations
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15 membership membership
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16 dict_obj_info Dictionary object info
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17 frag_mem_use Per fragment space information
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18 disk_write_speed_base Actual speed of disk writes per LDM thread, base data
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19 disk_write_speed_aggregate Actual speed of disk writes per LDM thread, aggregate data
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20 frag_operations Per fragment operational information
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21 restart_info Times of restart phases in seconds and current state
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SELECT COUNT(*) FROM ndb$tables;
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COUNT(*)
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22
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SELECT * FROM ndb$tables WHERE table_id = 2;
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table_id table_name comment
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2 test for testing
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SELECT * FROM ndb$tables WHERE table_id > 5;
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table_id table_name comment
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6 logbuffers logbuffer usage
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7 resources resources usage (a.k.a superpool)
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8 counters monotonic counters
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9 nodes node status
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10 diskpagebuffer disk page buffer info
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11 threadblocks which blocks are run in which threads
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12 threadstat Statistics on execution threads
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13 transactions transactions
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14 operations operations
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15 membership membership
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16 dict_obj_info Dictionary object info
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17 frag_mem_use Per fragment space information
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18 disk_write_speed_base Actual speed of disk writes per LDM thread, base data
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19 disk_write_speed_aggregate Actual speed of disk writes per LDM thread, aggregate data
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20 frag_operations Per fragment operational information
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21 restart_info Times of restart phases in seconds and current state
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SELECT * FROM ndb$tables WHERE table_name = 'LOGDESTINATION';
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table_id table_name comment
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SELECT COUNT(*) FROM ndb$tables t1, ndb$tables t2 WHERE t1.table_id = t1.table_id;
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COUNT(*)
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484
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SELECT table_id, table_name, comment from ndb$tables
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WHERE table_id > 2 AND table_id <= 5 ORDER BY table_id;
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table_id table_name comment
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3 pools pool usage
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4 transporters transporter status
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5 logspaces logspace usage
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SELECT table_id FROM ndb$tables WHERE table_id = 2 ORDER BY table_name;
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table_id
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2
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SELECT table_id, table_name FROM ndb$tables ORDER BY table_name;
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table_id table_name
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1 columns
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8 counters
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16 dict_obj_info
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10 diskpagebuffer
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19 disk_write_speed_aggregate
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18 disk_write_speed_base
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17 frag_mem_use
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20 frag_operations
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6 logbuffers
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5 logspaces
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15 membership
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9 nodes
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14 operations
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3 pools
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7 resources
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21 restart_info
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0 tables
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2 test
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11 threadblocks
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12 threadstat
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13 transactions
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4 transporters
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SELECT table_id, column_id, column_name FROM ndb$columns LIMIT 7;
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table_id column_id column_name
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0 0 table_id
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0 1 table_name
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0 2 comment
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1 0 table_id
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1 1 column_id
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1 2 column_name
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1 3 column_type
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UPDATE ndb$tables SET table_id=2 WHERE table_id=3;
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ERROR HY000: Table 'ndb$tables' is read only
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UPDATE ndb$tables SET table_id=9 WHERE 1=0;
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ERROR HY000: Table 'ndb$tables' is read only
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UPDATE ndb$tables SET table_id=9 WHERE table_id > 1;
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ERROR HY000: Table 'ndb$tables' is read only
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DELETE FROM ndb$tables WHERE table_id=3;
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ERROR HY000: Table 'ndb$tables' is read only
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DELETE FROM ndb$tables WHERE 1=0;
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ERROR HY000: Table 'ndb$tables' is read only
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DELETE FROM ndb$tables WHERE table_id > 1;
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ERROR HY000: Table 'ndb$tables' is read only
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ALTER TABLE ndb$test ADD COLUMN another_col varchar(255);
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ERROR HY000: Table storage engine for 'ndb$test' doesn't have this option
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FLUSH TABLES;
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SELECT table_id FROM ndb$tables;
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table_id
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0
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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TRUNCATE ndb$tables;
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ERROR HY000: Table 'ndb$tables' is read only
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## Variables and status
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SHOW GLOBAL STATUS LIKE 'ndbinfo\_%';
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Variable_name Value
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SHOW GLOBAL VARIABLES LIKE 'ndbinfo\_%';
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Variable_name Value
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ndbinfo_database ndbinfo
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ndbinfo_max_bytes 0
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ndbinfo_max_rows 10
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ndbinfo_offline OFF
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ndbinfo_show_hidden OFF
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ndbinfo_table_prefix ndb$
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ndbinfo_version NDB_VERSION_D
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SELECT counter, HEX(counter2) FROM ndb$test LIMIT 10;
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counter HEX(counter2)
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0 0
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1 100000000
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2 200000000
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3 300000000
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4 400000000
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5 500000000
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6 600000000
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7 700000000
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8 800000000
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9 900000000
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SHOW TABLES LIKE 'ndb$te%';
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Tables_in_ndbinfo (ndb$te%)
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set @@ndbinfo_show_hidden=TRUE;
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SHOW TABLES LIKE 'ndb$te%';
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Tables_in_ndbinfo (ndb$te%)
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ndb$test
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set @@ndbinfo_show_hidden=default;
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set @@ndbinfo_table_prefix="somethingelse";
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ERROR HY000: Variable 'ndbinfo_table_prefix' is a read only variable
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set @@ndbinfo_database="somethingelse";
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ERROR HY000: Variable 'ndbinfo_database' is a read only variable
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SELECT count(*) >= 20 FROM blocks;
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count(*) >= 20
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1
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## 1) More columns in NDB -> allowed, with warning
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DROP TABLE ndb$test;
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CREATE TABLE ndb$test (node_id int unsigned) ENGINE = ndbinfo;
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SELECT node_id != 0 FROM ndb$test LIMIT 1;
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node_id != 0
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1
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Warnings:
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Note 40001 Table 'ndb$test' is defined differently in NDB, there are more columns available. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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DROP TABLE ndb$test;
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## 2) Column does not exist in NDB -> allowed, with warning, non existing
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## column(s) return NULL
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## 2a) Extra column at end
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CREATE TABLE ndb$test (node_id int, non_existing int) ENGINE = ndbinfo;
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SELECT DISTINCT node_id, non_existing FROM ndb$test;
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node_id non_existing
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1 NULL
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2 NULL
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Warnings:
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'non_existing' does not exist. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Note 40001 Table 'ndb$test' is defined differently in NDB, there are more columns available. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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DROP TABLE ndb$test;
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## 2b) Extra column(s) in middle
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CREATE TABLE ndb$test (
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node_id int unsigned,
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non_existing int unsigned,
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block_number int unsigned,
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block_instance int unsigned,
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counter int unsigned,
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counter2 bigint unsigned
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) ENGINE = ndbinfo;
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SELECT DISTINCT node_id, non_existing, block_number FROM ndb$test;
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node_id non_existing block_number
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1 NULL 249
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2 NULL 249
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Warnings:
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'non_existing' does not exist. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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DROP TABLE ndb$test;
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## 2c) Extra column first
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CREATE TABLE ndb$test (non_existing int, node_id int) ENGINE = ndbinfo;
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SELECT DISTINCT node_id, non_existing FROM ndb$test;
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node_id non_existing
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1 NULL
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2 NULL
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Warnings:
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'non_existing' does not exist. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Note 40001 Table 'ndb$test' is defined differently in NDB, there are more columns available. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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SELECT DISTINCT non_existing, node_id FROM ndb$test;
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non_existing node_id
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NULL 1
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NULL 2
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DROP TABLE ndb$test;
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## 3) Incompatible column type -> error, with warning
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## 3a) int instead of bigint
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CREATE TABLE ndb$test (counter2 int) ENGINE = ndbinfo;
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SELECT * FROM ndb$test;
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ERROR HY000: Got error 40001 'Incompatible table definitions' from NDBINFO
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SHOW WARNINGS;
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Level Code Message
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'counter2' is not compatible. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Error 1296 Got error 40001 'Incompatible table definitions' from NDBINFO
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## 3b) bigint instead of int
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DROP TABLE ndb$test;
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CREATE TABLE ndb$test (node_id bigint) ENGINE = ndbinfo;
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SELECT * FROM ndb$test;
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ERROR HY000: Got error 40001 'Incompatible table definitions' from NDBINFO
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SHOW WARNINGS;
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Level Code Message
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'node_id' is not compatible. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Error 1296 Got error 40001 'Incompatible table definitions' from NDBINFO
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## 3c) varchar instead of int
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DROP TABLE ndb$test;
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CREATE TABLE ndb$test (node_id varchar(255)) ENGINE = ndbinfo;
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SELECT * FROM ndb$test;
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ERROR HY000: Got error 40001 'Incompatible table definitions' from NDBINFO
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SHOW WARNINGS;
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Level Code Message
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'node_id' is not compatible. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Error 1296 Got error 40001 'Incompatible table definitions' from NDBINFO
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DROP TABLE ndb$test;
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## 3d) column which is NOT NULL
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CREATE TABLE ndb$test (node_id int unsigned NOT NULL) ENGINE = ndbinfo;
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SELECT * FROM ndb$test;
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ERROR HY000: Got error 40001 'Incompatible table definitions' from NDBINFO
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SHOW WARNINGS;
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Level Code Message
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'node_id' is NOT NULL. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Error 1296 Got error 40001 'Incompatible table definitions' from NDBINFO
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DROP TABLE ndb$test;
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## 3e) non existing column which is NOT NULL
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CREATE TABLE ndb$test (
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block_number int unsigned,
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non_existing int NOT NULL) ENGINE = ndbinfo;
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SELECT * FROM ndb$test;
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ERROR HY000: Got error 40001 'Incompatible table definitions' from NDBINFO
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SHOW WARNINGS;
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Level Code Message
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Warning 40001 Table 'ndb$test' is defined differently in NDB, column 'non_existing' is NOT NULL. The SQL to regenerate is: 'CREATE TABLE `ndbinfo`.`ndb$test` (`node_id` INT UNSIGNED, `block_number` INT UNSIGNED, `block_instance` INT UNSIGNED, `counter` INT UNSIGNED, `counter2` BIGINT UNSIGNED) ENGINE=NDBINFO'
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Error 1296 Got error 40001 'Incompatible table definitions' from NDBINFO
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DROP TABLE ndb$test;
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## 4) Table with primary key/indexes not supported
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CREATE TABLE ndb$test (node_id int, block_number int PRIMARY KEY) ENGINE = ndbinfo;
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ERROR 42000: Too many keys specified; max 0 keys allowed
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## 5) Table with blobs not supported
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CREATE TABLE ndb$test (node_id int, block_number blob) ENGINE = ndbinfo;
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ERROR 42000: The used table type doesn't support BLOB/TEXT columns
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## 6) Table with autoincrement not supported
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CREATE TABLE ndb$test (node_id int AUTO_INCREMENT) ENGINE = ndbinfo;
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ERROR 42000: The used table type doesn't support AUTO_INCREMENT columns
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select distinct node_id
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from ndbinfo.diskpagebuffer;
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node_id
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1
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2
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set @@ndbinfo_offline=1;
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ERROR HY000: Variable 'ndbinfo_offline' is a GLOBAL variable and should be set with SET GLOBAL
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SELECT DISTINCT(node_id) FROM ndbinfo.counters ORDER BY node_id;
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node_id
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1
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2
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desc threadblocks;
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Field Type Null Key Default Extra
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node_id int(10) unsigned YES NULL
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thr_no int(10) unsigned YES NULL
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block_name varchar(512) YES NULL
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block_instance int(10) unsigned YES NULL
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select distinct block_name from threadblocks order by 1;
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block_name
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BACKUP
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CMVMI
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DBACC
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DBDICT
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DBDIH
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DBINFO
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DBLQH
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DBSPJ
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DBTC
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DBTUP
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DBTUX
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DBUTIL
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LGMAN
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NDBCNTR
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NDBFS
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PGMAN
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QMGR
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RESTORE
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SUMA
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THRMAN
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TRIX
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TRPMAN
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TSMAN
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desc threadstat;
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Field Type Null Key Default Extra
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node_id int(10) unsigned YES NULL
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thr_no int(10) unsigned YES NULL
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thr_nm varchar(512) YES NULL
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c_loop bigint(20) unsigned YES NULL
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c_exec bigint(20) unsigned YES NULL
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c_wait bigint(20) unsigned YES NULL
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c_l_sent_prioa bigint(20) unsigned YES NULL
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c_l_sent_priob bigint(20) unsigned YES NULL
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c_r_sent_prioa bigint(20) unsigned YES NULL
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c_r_sent_priob bigint(20) unsigned YES NULL
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os_tid bigint(20) unsigned YES NULL
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os_now bigint(20) unsigned YES NULL
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os_ru_utime bigint(20) unsigned YES NULL
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os_ru_stime bigint(20) unsigned YES NULL
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os_ru_minflt bigint(20) unsigned YES NULL
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os_ru_majflt bigint(20) unsigned YES NULL
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os_ru_nvcsw bigint(20) unsigned YES NULL
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os_ru_nivcsw bigint(20) unsigned YES NULL
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select count(*) > 0 block_name from threadstat;
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block_name
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1
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desc disk_write_speed_aggregate;
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Field Type Null Key Default Extra
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node_id int(10) unsigned YES NULL
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thr_no int(10) unsigned YES NULL
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backup_lcp_speed_last_sec bigint(20) unsigned YES NULL
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redo_speed_last_sec bigint(20) unsigned YES NULL
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backup_lcp_speed_last_10sec bigint(20) unsigned YES NULL
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redo_speed_last_10sec bigint(20) unsigned YES NULL
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std_dev_backup_lcp_speed_last_10sec bigint(20) unsigned YES NULL
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std_dev_redo_speed_last_10sec bigint(20) unsigned YES NULL
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backup_lcp_speed_last_60sec bigint(20) unsigned YES NULL
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redo_speed_last_60sec bigint(20) unsigned YES NULL
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std_dev_backup_lcp_speed_last_60sec bigint(20) unsigned YES NULL
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std_dev_redo_speed_last_60sec bigint(20) unsigned YES NULL
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slowdowns_due_to_io_lag bigint(20) unsigned YES NULL
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slowdowns_due_to_high_cpu bigint(20) unsigned YES NULL
|
|
disk_write_speed_set_to_min bigint(20) unsigned YES NULL
|
|
current_target_disk_write_speed bigint(20) unsigned YES NULL
|
|
select count(*) from disk_write_speed_aggregate;
|
|
count(*)
|
|
8
|
|
|
|
desc disk_write_speed_base;
|
|
Field Type Null Key Default Extra
|
|
node_id int(10) unsigned YES NULL
|
|
thr_no int(10) unsigned YES NULL
|
|
millis_ago bigint(20) unsigned YES NULL
|
|
millis_passed bigint(20) unsigned YES NULL
|
|
backup_lcp_bytes_written bigint(20) unsigned YES NULL
|
|
redo_bytes_written bigint(20) unsigned YES NULL
|
|
target_disk_write_speed bigint(20) unsigned YES NULL
|
|
select node_id from disk_write_speed_base group by node_id, thr_no;
|
|
node_id
|
|
1
|
|
1
|
|
1
|
|
1
|
|
2
|
|
2
|
|
2
|
|
2
|
|
|
|
select count(*) from disk_write_speed_aggregate_node;
|
|
count(*)
|
|
2
|
|
|
|
desc restart_info;
|
|
Field Type Null Key Default Extra
|
|
node_id int(10) unsigned YES NULL
|
|
node_restart_status varchar(256) YES NULL
|
|
node_restart_status_int int(10) unsigned YES NULL
|
|
secs_to_complete_node_failure int(10) unsigned YES NULL
|
|
secs_to_allocate_node_id int(10) unsigned YES NULL
|
|
secs_to_include_in_heartbeat_protocol int(10) unsigned YES NULL
|
|
secs_until_wait_for_ndbcntr_master int(10) unsigned YES NULL
|
|
secs_wait_for_ndbcntr_master int(10) unsigned YES NULL
|
|
secs_to_get_start_permitted int(10) unsigned YES NULL
|
|
secs_to_wait_for_lcp_for_copy_meta_data int(10) unsigned YES NULL
|
|
secs_to_copy_meta_data int(10) unsigned YES NULL
|
|
secs_to_include_node int(10) unsigned YES NULL
|
|
secs_starting_node_to_request_local_recovery int(10) unsigned YES NULL
|
|
secs_for_local_recovery int(10) unsigned YES NULL
|
|
secs_restore_fragments int(10) unsigned YES NULL
|
|
secs_undo_disk_data int(10) unsigned YES NULL
|
|
secs_exec_redo_log int(10) unsigned YES NULL
|
|
secs_index_rebuild int(10) unsigned YES NULL
|
|
secs_to_synchronize_starting_node int(10) unsigned YES NULL
|
|
secs_wait_lcp_for_restart int(10) unsigned YES NULL
|
|
secs_wait_subscription_handover int(10) unsigned YES NULL
|
|
total_restart_secs int(10) unsigned YES NULL
|
|
select * from restart_info;
|
|
node_id node_restart_status node_restart_status_int secs_to_complete_node_failure secs_to_allocate_node_id secs_to_include_in_heartbeat_protocol secs_until_wait_for_ndbcntr_master secs_wait_for_ndbcntr_master secs_to_get_start_permitted secs_to_wait_for_lcp_for_copy_meta_data secs_to_copy_meta_data secs_to_include_node secs_starting_node_to_request_local_recovery secs_for_local_recovery secs_restore_fragments secs_undo_disk_data secs_exec_redo_log secs_index_rebuild secs_to_synchronize_starting_node secs_wait_lcp_for_restart secs_wait_subscription_handover total_restart_secs
|
|
|
|
desc cluster_transactions;
|
|
Field Type Null Key Default Extra
|
|
node_id int(10) unsigned YES NULL
|
|
block_instance int(10) unsigned YES NULL
|
|
transid bigint(22) unsigned YES NULL
|
|
state varchar(256) YES NULL
|
|
count_operations int(10) unsigned YES NULL
|
|
outstanding_operations int(10) unsigned YES NULL
|
|
inactive_seconds int(10) unsigned YES NULL
|
|
client_node_id bigint(21) unsigned YES NULL
|
|
client_block_ref bigint(21) unsigned YES NULL
|
|
desc server_transactions;
|
|
Field Type Null Key Default Extra
|
|
mysql_connection_id bigint(21) unsigned NO 0
|
|
node_id int(10) unsigned YES NULL
|
|
block_instance int(10) unsigned YES NULL
|
|
transid bigint(22) unsigned YES NULL
|
|
state varchar(256) YES NULL
|
|
count_operations int(10) unsigned YES NULL
|
|
outstanding_operations int(10) unsigned YES NULL
|
|
inactive_seconds int(10) unsigned YES NULL
|
|
client_node_id bigint(21) unsigned YES NULL
|
|
client_block_ref bigint(21) unsigned YES NULL
|
|
desc cluster_operations;
|
|
Field Type Null Key Default Extra
|
|
node_id int(10) unsigned YES NULL
|
|
block_instance int(10) unsigned YES NULL
|
|
transid bigint(22) unsigned YES NULL
|
|
operation_type varchar(9) YES NULL
|
|
state varchar(256) YES NULL
|
|
tableid int(10) unsigned YES NULL
|
|
fragmentid int(10) unsigned YES NULL
|
|
client_node_id bigint(21) unsigned YES NULL
|
|
client_block_ref bigint(21) unsigned YES NULL
|
|
tc_node_id bigint(21) unsigned YES NULL
|
|
tc_block_no bigint(21) unsigned YES NULL
|
|
tc_block_instance bigint(21) unsigned YES NULL
|
|
desc server_operations;
|
|
Field Type Null Key Default Extra
|
|
mysql_connection_id bigint(21) unsigned NO 0
|
|
node_id int(10) unsigned YES NULL
|
|
block_instance int(10) unsigned YES NULL
|
|
transid bigint(22) unsigned YES NULL
|
|
operation_type varchar(9) YES NULL
|
|
state varchar(256) YES NULL
|
|
tableid int(10) unsigned YES NULL
|
|
fragmentid int(10) unsigned YES NULL
|
|
client_node_id bigint(21) unsigned YES NULL
|
|
client_block_ref bigint(21) unsigned YES NULL
|
|
tc_node_id bigint(21) unsigned YES NULL
|
|
tc_block_no bigint(21) unsigned YES NULL
|
|
tc_block_instance bigint(21) unsigned YES NULL
|
|
|
|
create table t1 (a int primary key) engine = ndb;
|
|
begin;
|
|
insert into t1 values (1);
|
|
select state, count_operations, outstanding_operations,
|
|
IF(client_node_id <= 255, "<client_node_id>", "<incorrect node id>")
|
|
client_node_id
|
|
from server_transactions;
|
|
state count_operations outstanding_operations client_node_id
|
|
Started 1 0 <client_node_id>
|
|
select node_id, operation_type, state,
|
|
IF(tc_node_id <= 48, "<tc_node_id>", "<incorrect nodeid>") tc_node_id,
|
|
IF(client_node_id <= 255, "<client_node_id>", "<incorrect node id>")
|
|
client_node_id
|
|
from server_operations
|
|
order by 1;
|
|
node_id operation_type state tc_node_id client_node_id
|
|
1 INSERT Prepared <tc_node_id> <client_node_id>
|
|
2 INSERT Prepared <tc_node_id> <client_node_id>
|
|
|
|
select st.state, st.count_operations, st.outstanding_operations,
|
|
so.node_id, so.state, so.operation_type
|
|
from server_transactions st,
|
|
server_operations so
|
|
where st.transid = so.transid
|
|
and so.tc_node_id = st.node_id
|
|
and so.tc_block_instance = st.block_instance
|
|
and so.client_node_id = st.client_node_id
|
|
and so.client_block_ref = st.client_block_ref;
|
|
state count_operations outstanding_operations node_id state operation_type
|
|
Started 1 0 1 Prepared INSERT
|
|
Started 1 0 2 Prepared INSERT
|
|
rollback;
|
|
drop table t1;
|
|
|
|
select distinct resource_name
|
|
from resources
|
|
order by 1;
|
|
resource_name
|
|
DATA_MEMORY
|
|
DISK_OPERATIONS
|
|
DISK_PAGE_BUFFER
|
|
DISK_RECORDS
|
|
FILE_BUFFERS
|
|
JOBBUFFER
|
|
QUERY_MEMORY
|
|
RESERVED
|
|
SCHEMA_TRANS_MEMORY
|
|
TRANSPORTER_BUFFERS
|
|
|
|
select distinct counter_name
|
|
from counters
|
|
order by 1;
|
|
counter_name
|
|
ABORTS
|
|
ATTRINFO
|
|
COMMITS
|
|
CONST_PRUNED_RANGE_SCANS_RECEIVED
|
|
LOCAL_RANGE_SCANS_SENT
|
|
LOCAL_READS
|
|
LOCAL_READS_SENT
|
|
LOCAL_TABLE_SCANS_SENT
|
|
LOCAL_WRITES
|
|
LQHKEY_OVERLOAD
|
|
LQHKEY_OVERLOAD_NODE_PEER
|
|
LQHKEY_OVERLOAD_READER
|
|
LQHKEY_OVERLOAD_SUBSCRIBER
|
|
LQHKEY_OVERLOAD_TC
|
|
LQHSCAN_SLOWDOWNS
|
|
OPERATIONS
|
|
PRUNED_RANGE_SCANS_RECEIVED
|
|
RANGE_SCANS
|
|
RANGE_SCANS_RECEIVED
|
|
READS
|
|
READS_NOT_FOUND
|
|
READS_RECEIVED
|
|
REMOTE_RANGE_SCANS_SENT
|
|
REMOTE_READS_SENT
|
|
SCAN_BATCHES_RETURNED
|
|
SCAN_ROWS_RETURNED
|
|
SIMPLE_READS
|
|
TABLE_SCANS
|
|
TABLE_SCANS_RECEIVED
|
|
TRANSACTIONS
|
|
WRITES
|
|
|
|
set @@global.ndbinfo_offline=TRUE;
|
|
select @@ndbinfo_offline;
|
|
@@ndbinfo_offline
|
|
1
|
|
|
|
CREATE TABLE ndb$does_not_exist_in_ndb(
|
|
node_id int,
|
|
message varchar(255)
|
|
) ENGINE = ndbinfo;
|
|
|
|
CREATE VIEW view_on_table_which_does_not_exist_in_ndb AS
|
|
SELECT node_id, message
|
|
FROM ndbinfo.ndb$does_not_exist_in_ndb;
|
|
|
|
SHOW CREATE TABLE ndb$does_not_exist_in_ndb;
|
|
Table Create Table
|
|
ndb$does_not_exist_in_ndb CREATE TABLE `ndb$does_not_exist_in_ndb` (
|
|
`node_id` int(11) DEFAULT NULL,
|
|
`message` varchar(255) DEFAULT NULL
|
|
) ENGINE=NDBINFO DEFAULT CHARSET=latin1
|
|
|
|
SELECT * FROM view_on_table_which_does_not_exist_in_ndb;
|
|
node_id message
|
|
Warnings:
|
|
Note 1 'NDBINFO' has been started in offline mode since the 'NDBCLUSTER' engine is disabled or @@global.ndbinfo_offline is turned on - no rows can be returned
|
|
SELECT * FROM ndb$does_not_exist_in_ndb;
|
|
node_id message
|
|
Warnings:
|
|
Note 1 'NDBINFO' has been started in offline mode since the 'NDBCLUSTER' engine is disabled or @@global.ndbinfo_offline is turned on - no rows can be returned
|
|
SELECT DISTINCT(node_id) FROM ndbinfo.counters ORDER BY node_id;
|
|
node_id
|
|
Warnings:
|
|
Note 1 'NDBINFO' has been started in offline mode since the 'NDBCLUSTER' engine is disabled or @@global.ndbinfo_offline is turned on - no rows can be returned
|
|
|
|
DROP VIEW view_on_table_which_does_not_exist_in_ndb;
|
|
DROP TABLE ndb$does_not_exist_in_ndb;
|
|
|
|
set @@global.ndbinfo_offline = FALSE;
|
|
|
|
SELECT DISTINCT(node_id) FROM ndbinfo.counters ORDER BY node_id;
|
|
node_id
|
|
1
|
|
2
|
|
|
|
Verify there are no ndbinfo views without 'root@localhost' as definer
|
|
select table_schema, table_name, definer from information_schema.views
|
|
where table_schema = 'ndbinfo' and
|
|
definer != 'root@localhost';
|
|
table_schema table_name definer
|
|
|
|
create table numbers(
|
|
i int
|
|
);
|
|
|
|
insert into numbers values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
|
|
create table t1(
|
|
a int not null primary key,
|
|
b int not null,
|
|
c1 char(255),
|
|
vc1 varchar(1024),
|
|
tx1 text
|
|
)engine=ndbcluster;
|
|
|
|
insert into t1 select x1.i+x2.i*10+x3.i*100, x1.i-x2.i*10-x3.i*100, repeat('x', 1+x1.i), repeat('y', 1000+x1.i), repeat('z', x1.i*100) from numbers as x1, numbers as x2, numbers as x3;
|
|
|
|
drop table numbers;
|
|
|
|
create index ix1 on t1(c1);
|
|
create unique index ix2 on t1(b) using hash;
|
|
|
|
set @t1_id = (select cast(id as signed integer) from ndbinfo.ndb$dict_obj_info where fq_name REGEXP "def/t1$");
|
|
|
|
select type, state, parent_obj_type, replace(fq_name, cast(@t1_id as char(10)), "<t1 id>") as fq_name, if(parent_obj_id=@t1_id, "child_of_t1", if(parent_obj_id=0, "root", "error!")) as nesting from ndbinfo.ndb$dict_obj_info where id >= @t1_id and type <= 6 order by type, id;
|
|
type state parent_obj_type fq_name nesting
|
|
2 4 0 ndbinfo/def/t1 root
|
|
2 4 2 ndbinfo/def/NDB$BLOB_<t1 id>_4 child_of_t1
|
|
3 4 2 sys/def/<t1 id>/ix2$unique child_of_t1
|
|
6 4 2 sys/def/<t1 id>/PRIMARY child_of_t1
|
|
6 4 2 sys/def/<t1 id>/ix1 child_of_t1
|
|
|
|
|
|
create view frag_sum as
|
|
select
|
|
sum(fixed_elem_alloc_bytes) as fixed_elem_alloc_bytes,
|
|
sum(var_elem_alloc_bytes) as var_elem_alloc_bytes,
|
|
sum(hash_index_alloc_bytes) as hash_index_alloc_bytes
|
|
from ndbinfo.memory_per_fragment;
|
|
|
|
create view pool_sum as
|
|
select pool_name, block_number, max(entry_size) * sum(used) as used_bytes
|
|
from ndbinfo.ndb$pools where pool_name <> "Data memory"
|
|
or block_number=249 group by pool_name, block_number;
|
|
|
|
create view check_l2pmap_pools as
|
|
select min(floor(1000*nodes.total*nodes.entry_size/
|
|
(pages.used*pages.entry_size))) as l2pmap_ratio
|
|
from ndbinfo.ndb$pools as pages join ndbinfo.ndb$pools as nodes
|
|
where pages.node_id=nodes.node_id
|
|
and pages.block_instance=nodes.block_instance
|
|
and pages.block_number=nodes.block_number
|
|
and pages.pool_name="L2PMap pages"
|
|
and nodes.pool_name="L2PMap nodes";
|
|
|
|
create view l2p_frag_sum as
|
|
select sum(tuple_l2pmap_alloc_bytes) as l2p_sum, 'TUP' as block
|
|
from ndbinfo.ndb$frag_mem_use
|
|
union
|
|
select sum(hash_index_l2pmap_alloc_bytes) as l2p_sum, 'ACC' as block
|
|
from ndbinfo.ndb$frag_mem_use;
|
|
|
|
select used_bytes - hash_index_alloc_bytes from pool_sum, frag_sum
|
|
where pool_name='Index memory';
|
|
used_bytes - hash_index_alloc_bytes
|
|
0
|
|
|
|
select used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
from pool_sum, frag_sum
|
|
where pool_name='Data memory';
|
|
used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
0
|
|
|
|
select l2p_sum-used_bytes from l2p_frag_sum, pool_sum
|
|
where pool_name='L2PMap nodes' and ((block='ACC' and block_number=248) or
|
|
(block='TUP' and block_number=249));
|
|
l2p_sum-used_bytes
|
|
0
|
|
0
|
|
|
|
select * from check_l2pmap_pools;
|
|
l2pmap_ratio
|
|
996
|
|
|
|
select * from sum_per_tab;
|
|
fq_name parent_fq_name type fixed_elem_count fixed_elem_size_bytes fixed_elem_alloc_ok fixed_elem_free_bytes_ok var_elem_count var_bytes_ok
|
|
ndbinfo/def/t1 NULL User table 2000 292 1.0 1 2000 1
|
|
ndbinfo/def/NDB$BLOB_<t1 id>_4 ndbinfo/def/t1 User table 1400 36 1.0 1 1400 1
|
|
sys/def/<t1 id>/PRIMARY ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix1 ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix2$unique ndbinfo/def/t1 Unique hash index 2000 28 1.0 1 0 1
|
|
|
|
delete from t1 where a%10=0;
|
|
|
|
select used_bytes - hash_index_alloc_bytes from pool_sum, frag_sum
|
|
where pool_name='Index memory';
|
|
used_bytes - hash_index_alloc_bytes
|
|
0
|
|
|
|
select used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
from pool_sum, frag_sum
|
|
where pool_name='Data memory';
|
|
used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
0
|
|
|
|
select l2p_sum-used_bytes from l2p_frag_sum, pool_sum
|
|
where pool_name='L2PMap nodes' and ((block='ACC' and block_number=248) or
|
|
(block='TUP' and block_number=249));
|
|
l2p_sum-used_bytes
|
|
0
|
|
0
|
|
|
|
select * from check_l2pmap_pools;
|
|
l2pmap_ratio
|
|
996
|
|
|
|
select * from sum_per_tab;
|
|
fq_name parent_fq_name type fixed_elem_count fixed_elem_size_bytes fixed_elem_alloc_ok fixed_elem_free_bytes_ok var_elem_count var_bytes_ok
|
|
ndbinfo/def/t1 NULL User table 1800 292 1.0 1 1800 1
|
|
ndbinfo/def/NDB$BLOB_<t1 id>_4 ndbinfo/def/t1 User table 1400 36 1.0 1 1400 1
|
|
sys/def/<t1 id>/PRIMARY ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix1 ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix2$unique ndbinfo/def/t1 Unique hash index 1800 28 1.0 1 0 1
|
|
|
|
update t1 set vc1=repeat('x', a%300), tx1=repeat('y', a*2);
|
|
|
|
select used_bytes - hash_index_alloc_bytes from pool_sum, frag_sum
|
|
where pool_name='Index memory';
|
|
used_bytes - hash_index_alloc_bytes
|
|
0
|
|
|
|
select used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
from pool_sum, frag_sum
|
|
where pool_name='Data memory';
|
|
used_bytes - fixed_elem_alloc_bytes - var_elem_alloc_bytes
|
|
0
|
|
|
|
select l2p_sum-used_bytes from l2p_frag_sum, pool_sum
|
|
where pool_name='L2PMap nodes' and ((block='ACC' and block_number=248) or
|
|
(block='TUP' and block_number=249));
|
|
l2p_sum-used_bytes
|
|
0
|
|
0
|
|
|
|
select * from check_l2pmap_pools;
|
|
l2pmap_ratio
|
|
996
|
|
|
|
select * from sum_per_tab;
|
|
fq_name parent_fq_name type fixed_elem_count fixed_elem_size_bytes fixed_elem_alloc_ok fixed_elem_free_bytes_ok var_elem_count var_bytes_ok
|
|
ndbinfo/def/t1 NULL User table 1800 292 1.0 1 1800 1
|
|
ndbinfo/def/NDB$BLOB_<t1 id>_4 ndbinfo/def/t1 User table 1568 36 1.0 1 1568 1
|
|
sys/def/<t1 id>/PRIMARY ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix1 ndbinfo/def/t1 Ordered index -1 272 1.0 1 0 1
|
|
sys/def/<t1 id>/ix2$unique ndbinfo/def/t1 Unique hash index 1800 28 1.0 1 0 1
|
|
|
|
drop table t1;
|
|
drop view l2p_frag_sum;
|
|
drop view check_l2pmap_pools;
|
|
drop view sum_per_tab;
|
|
drop view pool_sum;
|
|
drop view frag_sum;
|
|
|
|
create view frag_ops as select
|
|
if(type in ('Ordered index', 'Unique hash index'),
|
|
substring(fq_name from 1+locate('/', fq_name, 9)),
|
|
if(fq_name like '%BLOB%', left(fq_name, locate('_', fq_name)), fq_name))
|
|
as fq_name,
|
|
parent_fq_name,
|
|
type,
|
|
count(fragment_num) as frag_count,
|
|
sum(tot_key_reads) as tot_key_reads,
|
|
sum(tot_key_inserts) as tot_key_inserts,
|
|
sum(tot_key_updates) as tot_key_updates,
|
|
sum(tot_key_writes) as tot_key_writes,
|
|
sum(tot_key_deletes) as tot_key_deletes,
|
|
sum(tot_key_refs) as tot_key_refs,
|
|
# Attrinfo for read operations is a bit longer when running with embedded
|
|
# mysqld, which is why we do the rounding below.
|
|
round(log2(1+sum(tot_key_attrinfo_bytes))) as log_tot_key_attrinfo_bytes,
|
|
sum(tot_key_keyinfo_bytes) as tot_key_keyinfo_bytes,
|
|
sum(tot_key_prog_bytes) as tot_key_prog_bytes,
|
|
sum(tot_key_inst_exec) as tot_key_inst_exec,
|
|
sum(tot_key_bytes_returned) as tot_key_bytes_returned,
|
|
sum(tot_frag_scans) as tot_frag_scans,
|
|
sum(tot_scan_rows_examined) as tot_scan_rows_examined,
|
|
sum(tot_scan_rows_returned) as tot_scan_rows_returned,
|
|
sum(tot_scan_bytes_returned) as tot_scan_bytes_returned,
|
|
sum(tot_scan_prog_bytes) as tot_scan_prog_bytes,
|
|
sum(tot_scan_bound_bytes) as tot_scan_bound_bytes,
|
|
sum(tot_scan_inst_exec) as tot_scan_inst_exec,
|
|
sum(conc_frag_scans) as conc_frag_scans,
|
|
sum(conc_qd_frag_scans) as conc_qd_frag_scans,
|
|
sum(tot_commits) as tot_commits
|
|
from ndbinfo.operations_per_fragment
|
|
where fq_name like 'ndbinfo%' or parent_fq_name like 'ndbinfo%'
|
|
group by table_id, type, operations_per_fragment.fq_name, parent_fq_name
|
|
order by table_id;
|
|
|
|
create table t1 (
|
|
a int not null,
|
|
b int not null,
|
|
c int not null,
|
|
d int not null,
|
|
t text not null,
|
|
primary key (b,a)
|
|
) engine=ndbcluster
|
|
partition by key(b,a) partitions 8;
|
|
|
|
create unique index ix1 on t1(d) using hash;
|
|
|
|
create table numbers(
|
|
i int
|
|
);
|
|
|
|
insert into numbers values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
|
|
insert into t1 select x1.i+x2.i*10, 1, 1+x1.i+x2.i*10, 1+x1.i+x2.i*10,
|
|
repeat('x', 512)
|
|
from numbers as x1, numbers as x2;
|
|
|
|
drop table numbers;
|
|
|
|
create table t2 (
|
|
a int,
|
|
b int,
|
|
primary key(a) using hash)
|
|
engine = ndb
|
|
partition by key(a) partitions 8;
|
|
|
|
insert into t2 values (1, 2);
|
|
insert into t2 values (2, 3);
|
|
insert into t2 values (3, 1);
|
|
|
|
select * from frag_ops;;
|
|
fq_name ndbinfo/def/t1
|
|
parent_fq_name NULL
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 200
|
|
tot_key_updates 200
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 16
|
|
tot_key_keyinfo_bytes 3200
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 24
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 64
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 400
|
|
fq_name ndbinfo/def/NDB$BLOB_
|
|
parent_fq_name ndbinfo/def/t1
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 200
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 16
|
|
tot_key_keyinfo_bytes 2400
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 0
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 0
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 200
|
|
fq_name PRIMARY
|
|
parent_fq_name ndbinfo/def/t1
|
|
type Ordered index
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 0
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 0
|
|
tot_key_keyinfo_bytes 0
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 0
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 0
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 0
|
|
fq_name ix1$unique
|
|
parent_fq_name ndbinfo/def/t1
|
|
type Unique hash index
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 200
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 12
|
|
tot_key_keyinfo_bytes 800
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 0
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 0
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 200
|
|
fq_name ndbinfo/def/t2
|
|
parent_fq_name NULL
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 6
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 7
|
|
tot_key_keyinfo_bytes 24
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 8
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 32
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 6
|
|
explain select count(*) from t1 where d<10;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 p0,p1,p2,p3,p4,p5,p6,p7 ALL ix1 NULL NULL NULL 100 33.33 Using where with pushed condition (`ndbinfo`.`t1`.`d` < 10)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select count(0) AS `count(*)` from `ndbinfo`.`t1` where (`ndbinfo`.`t1`.`d` < 10)
|
|
select count(*) from t1 where d<10;
|
|
count(*)
|
|
9
|
|
|
|
explain select count(*) from t1 where b=1 and a<10;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 p0,p1,p2,p3,p4,p5,p6,p7 range PRIMARY PRIMARY 8 NULL 3 100.00 Using where with pushed condition ((`ndbinfo`.`t1`.`b` = 1) and (`ndbinfo`.`t1`.`a` < 10)); Using MRR
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select count(0) AS `count(*)` from `ndbinfo`.`t1` where ((`ndbinfo`.`t1`.`b` = 1) and (`ndbinfo`.`t1`.`a` < 10))
|
|
select count(*) from t1 where b=1 and a<10;
|
|
count(*)
|
|
10
|
|
|
|
explain select * from t1 where b=1 and a = -5;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 p4 eq_ref PRIMARY PRIMARY 8 const,const 1 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `ndbinfo`.`t1`.`a` AS `a`,`ndbinfo`.`t1`.`b` AS `b`,`ndbinfo`.`t1`.`c` AS `c`,`ndbinfo`.`t1`.`d` AS `d`,`ndbinfo`.`t1`.`t` AS `t` from `ndbinfo`.`t1` where ((`ndbinfo`.`t1`.`a` = -(5)) and (`ndbinfo`.`t1`.`b` = 1))
|
|
select * from t1 where b=1 and a = -5;
|
|
a b c d t
|
|
|
|
insert into t1 values (1,1,1,1,'');
|
|
ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY'
|
|
|
|
replace t1 values (-1,-1,-1,-1,'');
|
|
replace t1 values (1,1,5,500,'');
|
|
|
|
update t1 set d = -d, t = repeat('a', 300) where b=1 and a > 90;
|
|
|
|
delete from t1 where a%30=0;
|
|
|
|
explain select count(*) from t1 as x1 join t1 as x2 on x1.c=x2.b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE x1 p0,p1,p2,p3,p4,p5,p6,p7 ALL NULL NULL NULL NULL 97 100.00 Parent of 2 pushed join@1
|
|
1 SIMPLE x2 p0,p1,p2,p3,p4,p5,p6,p7 ref PRIMARY PRIMARY 4 ndbinfo.x1.c 1 100.00 Child of 'x1' in pushed join@1
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select count(0) AS `count(*)` from `ndbinfo`.`t1` `x1` join `ndbinfo`.`t1` `x2` where (`ndbinfo`.`x2`.`b` = `ndbinfo`.`x1`.`c`)
|
|
select count(*) from t1 as x1 join t1 as x2 on x1.c=x2.b;
|
|
count(*)
|
|
1
|
|
|
|
select
|
|
if ((select version() like '%debug'),
|
|
sum(tot_qd_frag_scans),
|
|
4) as tot_qd_frag_scans
|
|
from ndbinfo.operations_per_fragment
|
|
where fq_name like 'ndbinfo%' or parent_fq_name like 'ndbinfo%';
|
|
tot_qd_frag_scans
|
|
4
|
|
|
|
select * from frag_ops;;
|
|
fq_name ndbinfo/def/t1
|
|
parent_fq_name NULL
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 19
|
|
tot_key_inserts 205
|
|
tot_key_updates 236
|
|
tot_key_writes 0
|
|
tot_key_deletes 10
|
|
tot_key_refs 4
|
|
log_tot_key_attrinfo_bytes 16
|
|
tot_key_keyinfo_bytes 3760
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 4220
|
|
tot_frag_scans 56
|
|
tot_scan_rows_examined 306
|
|
tot_scan_rows_returned 215
|
|
tot_scan_bytes_returned 7116
|
|
tot_scan_prog_bytes 288
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 305
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 450
|
|
fq_name ndbinfo/def/NDB$BLOB_
|
|
parent_fq_name ndbinfo/def/t1
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 1
|
|
tot_key_inserts 218
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 28
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 16
|
|
tot_key_keyinfo_bytes 2964
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 268
|
|
tot_frag_scans 0
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 0
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 246
|
|
fq_name PRIMARY
|
|
parent_fq_name ndbinfo/def/t1
|
|
type Ordered index
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 0
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 0
|
|
tot_key_keyinfo_bytes 0
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 80
|
|
tot_scan_rows_examined 20
|
|
tot_scan_rows_returned 20
|
|
tot_scan_bytes_returned 588
|
|
tot_scan_prog_bytes 768
|
|
tot_scan_bound_bytes 9888
|
|
tot_scan_inst_exec 58
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 0
|
|
fq_name ix1$unique
|
|
parent_fq_name ndbinfo/def/t1
|
|
type Unique hash index
|
|
frag_count 16
|
|
tot_key_reads 3
|
|
tot_key_inserts 222
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 28
|
|
tot_key_refs 3
|
|
log_tot_key_attrinfo_bytes 12
|
|
tot_key_keyinfo_bytes 1012
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 0
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 0
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 250
|
|
fq_name ndbinfo/def/t2
|
|
parent_fq_name NULL
|
|
type User table
|
|
frag_count 16
|
|
tot_key_reads 0
|
|
tot_key_inserts 6
|
|
tot_key_updates 0
|
|
tot_key_writes 0
|
|
tot_key_deletes 0
|
|
tot_key_refs 0
|
|
log_tot_key_attrinfo_bytes 7
|
|
tot_key_keyinfo_bytes 24
|
|
tot_key_prog_bytes 0
|
|
tot_key_inst_exec 0
|
|
tot_key_bytes_returned 0
|
|
tot_frag_scans 8
|
|
tot_scan_rows_examined 0
|
|
tot_scan_rows_returned 0
|
|
tot_scan_bytes_returned 0
|
|
tot_scan_prog_bytes 32
|
|
tot_scan_bound_bytes 0
|
|
tot_scan_inst_exec 0
|
|
conc_frag_scans 0
|
|
conc_qd_frag_scans 0
|
|
tot_commits 6
|
|
explain select count(*)
|
|
from t2 as tx, t2 as ty
|
|
where tx.a in (1,3,5)
|
|
and ty.a = tx.b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE tx p2,p3,p7 range PRIMARY PRIMARY 4 NULL 3 100.00 Parent of 2 pushed join@1; Using where with pushed condition ((`ndbinfo`.`tx`.`a` in (1,3,5)) and (`ndbinfo`.`tx`.`b` is not null)); Using MRR
|
|
1 SIMPLE ty p0,p1,p2,p3,p4,p5,p6,p7 eq_ref PRIMARY PRIMARY 4 ndbinfo.tx.b 1 100.00 Child of 'tx' in pushed join@1
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select count(0) AS `count(*)` from `ndbinfo`.`t2` `tx` join `ndbinfo`.`t2` `ty` where ((`ndbinfo`.`ty`.`a` = `ndbinfo`.`tx`.`b`) and (`ndbinfo`.`tx`.`a` in (1,3,5)))
|
|
|
|
create table save_counters as select * from frag_ops;
|
|
|
|
select count(*)
|
|
from t2 as tx, t2 as ty
|
|
where tx.a in (1,3,5)
|
|
and ty.a = tx.b;
|
|
count(*)
|
|
2
|
|
|
|
create view changes as select
|
|
new.fq_name,
|
|
new.parent_fq_name,
|
|
new.type,
|
|
new.frag_count,
|
|
new.tot_key_reads - old.tot_key_reads,
|
|
new.tot_key_inserts - old.tot_key_inserts,
|
|
new.tot_key_updates - old.tot_key_updates,
|
|
new.tot_key_writes - old.tot_key_writes,
|
|
new.tot_key_deletes - old.tot_key_deletes,
|
|
new.tot_key_refs - old.tot_key_refs,
|
|
new.log_tot_key_attrinfo_bytes - old.log_tot_key_attrinfo_bytes,
|
|
new.tot_key_keyinfo_bytes - old.tot_key_keyinfo_bytes,
|
|
new.tot_key_prog_bytes - old.tot_key_prog_bytes,
|
|
new.tot_key_inst_exec - old.tot_key_inst_exec,
|
|
new.tot_key_bytes_returned - old.tot_key_bytes_returned,
|
|
new.tot_frag_scans - old.tot_frag_scans,
|
|
new.tot_scan_rows_examined - old.tot_scan_rows_examined,
|
|
new.tot_scan_rows_returned - old.tot_scan_rows_returned,
|
|
new.tot_scan_bytes_returned - old.tot_scan_bytes_returned,
|
|
new.tot_scan_prog_bytes - old.tot_scan_prog_bytes,
|
|
new.tot_scan_bound_bytes - old.tot_scan_bound_bytes,
|
|
new.tot_scan_inst_exec - old.tot_scan_inst_exec,
|
|
new.tot_commits - old.tot_commits
|
|
from frag_ops as new, save_counters as old
|
|
where new.fq_name=old.fq_name and new.fq_name like '%t2';
|
|
|
|
select * from changes;
|
|
fq_name ndbinfo/def/t2
|
|
parent_fq_name NULL
|
|
type User table
|
|
frag_count 16
|
|
new.tot_key_reads - old.tot_key_reads 5
|
|
new.tot_key_inserts - old.tot_key_inserts 0
|
|
new.tot_key_updates - old.tot_key_updates 0
|
|
new.tot_key_writes - old.tot_key_writes 0
|
|
new.tot_key_deletes - old.tot_key_deletes 0
|
|
new.tot_key_refs - old.tot_key_refs 1
|
|
new.log_tot_key_attrinfo_bytes - old.log_tot_key_attrinfo_bytes 2
|
|
new.tot_key_keyinfo_bytes - old.tot_key_keyinfo_bytes 20
|
|
new.tot_key_prog_bytes - old.tot_key_prog_bytes 168
|
|
new.tot_key_inst_exec - old.tot_key_inst_exec 7
|
|
new.tot_key_bytes_returned - old.tot_key_bytes_returned 88
|
|
new.tot_frag_scans - old.tot_frag_scans 0
|
|
new.tot_scan_rows_examined - old.tot_scan_rows_examined 0
|
|
new.tot_scan_rows_returned - old.tot_scan_rows_returned 0
|
|
new.tot_scan_bytes_returned - old.tot_scan_bytes_returned 0
|
|
new.tot_scan_prog_bytes - old.tot_scan_prog_bytes 0
|
|
new.tot_scan_bound_bytes - old.tot_scan_bound_bytes 0
|
|
new.tot_scan_inst_exec - old.tot_scan_inst_exec 0
|
|
new.tot_commits - old.tot_commits 0
|
|
|
|
drop view changes;
|
|
drop table save_counters;
|
|
drop view frag_ops;
|
|
drop table t1;
|
|
drop table t2;
|
|
|
|
## Check that the new tables return data and exists.
|
|
select count(*) > 10 from ndb$blocks;
|
|
count(*) > 10
|
|
1
|
|
select param_number, param_name from ndb$config_params
|
|
where param_name = "DataMemory";
|
|
param_number param_name
|
|
112 DataMemory
|
|
select * from ndb$dict_obj_types where type_id < 3;
|
|
type_id type_name
|
|
1 System table
|
|
2 User table
|
|
select * from ndb$dbtc_apiconnect_state;
|
|
select * from ndb$dblqh_tcconnect_state;
|
|
## Check that the new views return data and exists.
|
|
select block_number from blocks where block_name = "DBTC";
|
|
block_number
|
|
245
|
|
select param_name from config_params where param_number = 101;
|
|
param_name
|
|
NoOfReplicas
|
|
select type_name from ndb$dict_obj_types where type_id = 3;
|
|
type_name
|
|
Unique hash index
|
|
|
|
## All tables in ndbinfo/ should now be using engine=NDBINFO
|
|
select count(*) from information_schema.tables
|
|
where table_schema = 'ndbinfo' and engine != 'ndbinfo';
|
|
count(*)
|
|
0
|
|
|
|
set @@optimizer_switch='block_nested_loop=off';
|
|
create temporary table old_count
|
|
select counter_name, sum(val) as val
|
|
from ndbinfo.counters
|
|
where block_name='DBSPJ'
|
|
group by counter_name;
|
|
drop table old_count;
|
|
set @@optimizer_switch=default;
|
|
|
|
select * from ndbinfo.config_params order by param_number;
|
|
UPDATE ndb$config_params SET param_number=1 WHERE param_name = "NoOfReplicas";
|
|
ERROR HY000: Table 'ndb$config_params' is read only
|
|
|
|
UPDATE config_params SET param_number=1 WHERE param_name = "NoOfReplicas";
|
|
ERROR HY000: Table 'ndb$config_params' is read only
|
|
|