339 lines
12 KiB
Plaintext
339 lines
12 KiB
Plaintext
# Testing master to slave heartbeat protocol
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#
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# Including:
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# - user interface, grammar, checking the range and warnings about
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# unreasonable values for the heartbeat period;
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# - no rotation of relay log if heartbeat is less that slave_net_timeout
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# - SHOW STATUS like 'Slave_received_heartbeats' action
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# - SHOW STATUS like 'Slave_heartbeat_period' report
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# - SHOW STATUS like 'Slave_last_heartbeat' check
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--source include/not_group_replication_plugin.inc
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--let $rpl_skip_start_slave= 1
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--let $rpl_skip_reset_master_and_slave= 1
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--let $rpl_skip_change_master= 1
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--source include/master-slave.inc
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connection slave;
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set @restore_slave_net_timeout= @@global.slave_net_timeout;
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set @@global.slave_net_timeout= 10;
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#
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# check for null value of the Slave_last_heartbeat variable when the slave is not enabled
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#
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--query_vertical SHOW STATUS LIKE "Slave_last_heartbeat"
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###
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### Checking the range
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###
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#
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# default period slave_net_timeout/2
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#
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root';
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--query_vertical show status like 'Slave_heartbeat_period';
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#
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# the max for the period is ULONG_MAX/1000; an attempt to exceed it is denied
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#
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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--error ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4294968;
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--query_vertical show status like 'Slave_heartbeat_period';
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#
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# the min value for the period is 1 millisecond an attempt to assign a
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# lesser will be warned with treating the value as zero
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#
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connection slave;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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### 5.1 mtr does not have --warning ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.0009999;
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--query_vertical show status like 'Slave_heartbeat_period';
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#
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# the actual max and min must be accepted
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#
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4294967;
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--query_vertical show status like 'Slave_heartbeat_period';
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.001;
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--query_vertical show status like 'Slave_heartbeat_period';
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reset slave;
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#
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# A warning if period greater than slave_net_timeout
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#
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set @@global.slave_net_timeout= 5;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 5.001;
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--query_vertical show status like 'Slave_heartbeat_period';
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reset slave;
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#
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# A warning if slave_net_timeout is set to less than the current HB period
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#
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set @@global.slave_net_timeout= 5;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4;
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--query_vertical show status like 'Slave_heartbeat_period';
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set @@global.slave_net_timeout= 3 /* must be a warning */;
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reset slave;
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###
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### checking no rotation
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###
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connection master;
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#
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# Even though master_heartbeat_period= 0.5 is 20 times less than
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# @@global.slave_net_timeout= 10 in some circumstances master will
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# not be able to send any heartbeat during the slave's net timeout
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# and slave's relay log will rotate.
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# The probability for such a scenario is pretty small so the following
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# part is almost deterministic.
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#
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connection slave;
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set @@global.slave_net_timeout= 10;
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--replace_result $MASTER_MYPORT MASTER_PORT
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# no error this time but rather a warning
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--replace_column 2 ####
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.5;
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--query_vertical show status like 'Slave_heartbeat_period';
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start slave;
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connection master;
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create table t1 (f1 int);
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#connection slave;
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--source include/sync_slave_sql_with_master.inc
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let $slave_param= Relay_Log_File;
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let $slave_param_value= query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1);
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# there is an explicit sleep lasting longer than slave_net_timeout
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# to ensure that nothing will come to slave from master for that period.
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# That would cause reconnecting and relaylog rotation w/o the fix i.e
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# without a heartbeat received.
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real_sleep 15;
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# check (compare with the previous show's results) that no rotation happened
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source include/check_slave_param.inc;
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###
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### SHOW STATUS like 'Slave_heartbeat_period' and 'Slave_received_heartbeats'
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###
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--query_vertical show status like 'Slave_heartbeat_period';
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#
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# proof that there has been received at least one heartbeat;
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# The exact number of received heartbeat is an indeterministic value
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# and therefore it's not recorded into results.
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#
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let $slave_wait_param_counter= 300;
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let $slave_value= query_get_value("SHOW STATUS like 'Slave_received_heartbeats'", Value, 1);
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# Checking the fact that at least one heartbeat is received
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while (!$slave_value)
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{
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dec $slave_wait_param_counter;
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if (!$slave_wait_param_counter)
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{
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--echo ERROR: failed while waiting for slave parameter $slave_param: $slave_param_value
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query_vertical show slave status;
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SHOW STATUS like 'Slave_received_heartbeats';
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exit;
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}
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sleep 0.1;
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let $slave_value= query_get_value("SHOW STATUS like 'Slave_received_heartbeats'", Value, 1);
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}
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--echo A heartbeat has been received by the slave
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#
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# check for non-null value of the Slave_last_heartbeat variable when the slave is enabled
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#
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--let $assert_text= Slave_last_heartbeat should not be empty
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--let $assert_cond= \'[SHOW STATUS LIKE "Slave_last_heartbeat", Value, 1]\' != ""
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--source include/assert.inc
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# cleanup
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connection master;
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drop table t1;
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#connection slave;
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--source include/sync_slave_sql_with_master.inc
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set @@global.slave_net_timeout= @restore_slave_net_timeout;
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# ==== Bug#18185490: IF MASTER_HEARTBEAT_PERIOD OPTION IS NOT PROVIDED IT IS AUTO SETTING TO DEFAULT ====
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# Change master was always resetting the heartbeat period to default value
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# and received heartbeat to 0 on change master. After the bug fix,
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# change master should only change heartbeat_period if the corresponding option
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# is given and never change Slave_received_heartbeat.
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--connection slave
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--source include/stop_slave.inc
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CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD= 10;
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--let $assert_text= Slave_heartbeat_period should be 10.000
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = 10.000
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--source include/assert.inc
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--echo
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--echo # Verify that heartbeat period is not reset to default implicitly and
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--echo # received_heartbeat is not set to 0 by this.
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--echo
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CHANGE MASTER TO MASTER_RETRY_COUNT= 3;
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--let $assert_text= Slave_heartbeat_period should be 10.000
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = 10.000
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--source include/assert.inc
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--let $assert_text= Slave_received_heartbeat should NOT be set to 0
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--let $assert_cond= [SHOW STATUS LIKE "Slave_received_heartbeats", Value, 1] <> 0
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--source include/assert.inc
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###############################################################################
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# BUG#18777899 HEARTBEAT_PERIOD AUTOMATICALLY SETS TO DEFAULT POST RESET SLAVE
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# COMMAND
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#
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# Due to the buggy behaviour, a RESET SLAVE command on the slave server
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# reset heartbeat_period to default. RESET SLAVE is generally expected to
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# delete slave logs and forget the replicaiton positions. This erroneous
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# behavior was therefore un-intuitive.
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#
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# In the test we test the behaviour of heartbeat_period with RESET SLAVE,
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# STOP SLAVE, CHANGE MASTER, START SLAVE and RESET SLAVE ALL.
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#
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# 1. RESET SLAVE:
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# ===========
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#
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# Execute a RESET SLAVE and verify that the heartbeat_period is what we
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# set in the latest CHANGE MASTER and not the the default value.
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#
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# 2. CHANGE MASTER, START SLAVE:
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# ==========================
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#
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# a. Changing host resets heartbeat_period to default.
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# b. Changing port resets heartbeat_period to default.
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# c. changing host and port resets heartbeat_period to default.
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#
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# 3. RESET SLAVE ALL:
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# ===============
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#
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# Execute a RESET SLAVE ALL and verify that the heartbeat_period is set to 0.
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###############################################################################
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--source include/stop_slave.inc
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RESET SLAVE;
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--source include/start_slave.inc
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = 10.000
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--let $assert_text= heartbeat period should still be 10.000 after RESET SLAVE.
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--source include/assert.inc
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--source include/stop_slave_io.inc
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--replace_result $MASTER_MYPORT MASTER_PORT
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eval CHANGE MASTER TO MASTER_HOST= 'localhost', MASTER_PORT= $MASTER_MYPORT;
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--source include/start_slave.inc
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--let $default_heartbeat_period= @@global.slave_net_timeout/2;
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = $default_heartbeat_period
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--let $assert_text= heartbeat period should reset to default.
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--source include/assert.inc
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--echo #
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--echo # Change from default to make sure changing HOST resets heartbeat_period
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--echo # to default.
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--echo #
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--source include/stop_slave_io.inc
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CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 10;
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--source include/start_slave.inc
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--source include/stop_slave.inc
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eval CHANGE MASTER TO MASTER_HOST= '127.0.0.1';
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--source include/start_slave.inc
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = $default_heartbeat_period
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--let $assert_text= heartbeat period should reset to default on changing host.
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--source include/assert.inc
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--echo #
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--echo # Change from default to make sure changing PORT resets heartbeat_period
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--echo # to default.
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--echo #
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--source include/stop_slave.inc
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--replace_result $MASTER_MYPORT MASTER_PORT
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CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 10;
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--source include/start_slave.inc
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--source include/stop_slave.inc
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--replace_result $MASTER_MYPORT MASTER_PORT
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eval CHANGE MASTER TO MASTER_PORT= $MASTER_MYPORT;
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--source include/start_slave.inc
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = $default_heartbeat_period
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--let $assert_text= heartbeat period should reset to default on changing port.
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--source include/assert.inc
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--echo #
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--echo # Change from default to make sure changing HOST and PORT resets
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--echo # heartbeat_period to default.
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--echo #
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--source include/stop_slave.inc
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--replace_result $MASTER_MYPORT MASTER_PORT
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eval CHANGE MASTER TO MASTER_HOST= '127.0.0.1', MASTER_PORT= $MASTER_MYPORT;
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--source include/start_slave.inc
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = $default_heartbeat_period
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--let $assert_text= heartbeat period should reset to default on changing host and port.
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--source include/assert.inc
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--source include/stop_slave.inc
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RESET SLAVE ALL;
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--let $assert_cond= [SHOW STATUS LIKE "Slave_heartbeat_period", Value, 1] = 0.000
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--let $assert_text= heartbeat period should reset to zero by RESET SLAVE ALL.
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--source include/assert.inc
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# Make this a slave again to successfully pass through cleanup routines.
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 2 ####
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--eval change master to master_host= '127.0.0.1', master_port= $MASTER_MYPORT, master_user= 'root'
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# The table might have replicated again after RESET SLAVE.
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--source include/start_slave.inc
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--connection master
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--source include/sync_slave_sql_with_master.inc
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--enable_warnings
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--source include/rpl_end.inc
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