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pid1 bump DefaultTasksMax to 80% of the kernel pid.max value

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(cherry picked from commit ab4aee71d67f643ed3d275ad906a1fe5d783a025)
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xujing 2022-03-17 18:57:57 +08:00 committed by openeuler-sync-bot
parent 721ef9d6a2
commit 1ae3ef8f50
2 changed files with 56 additions and 2 deletions
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50
0019-pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch Normal file
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@ -0,0 +1,50 @@
From bb46b12cbb84411e378cd45f2ac320a9ce53551c Mon Sep 17 00:00:00 2001
From: openEuler Buildteam <buildteam@openeuler.org>
Date: Tue, 10 Mar 2020 21:01:43 +0800
Subject: [PATCH] pid1 bump DefaultTasksMax to 80% of the kernel pid.max value
---
man/systemd-system.conf.xml | 2 +-
src/core/system.conf.in | 2 +-
units/user-.slice.d/10-defaults.conf | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
index e403fa5..afd51ed 100644
--- a/man/systemd-system.conf.xml
+++ b/man/systemd-system.conf.xml
@@ -360,7 +360,7 @@
<listitem><para>Configure the default value for the per-unit <varname>TasksMax=</varname> setting. See
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for details. This setting applies to all unit types that support resource control settings, with the exception
- of slice units. Defaults to 15% of the minimum of <varname>kernel.pid_max=</varname>, <varname>kernel.threads-max=</varname>
+ of slice units. Defaults to 80% of the minimum of <varname>kernel.pid_max=</varname>, <varname>kernel.threads-max=</varname>
and root cgroup <varname>pids.max</varname>.
Kernel has a default value for <varname>kernel.pid_max=</varname> and an algorithm of counting in case of more than 32 cores.
For example with the default <varname>kernel.pid_max=</varname>, <varname>DefaultTasksMax=</varname> defaults to 4915,
diff --git a/src/core/system.conf.in b/src/core/system.conf.in
index 8112125..9e75b14 100644
--- a/src/core/system.conf.in
+++ b/src/core/system.conf.in
@@ -51,7 +51,7 @@
#DefaultBlockIOAccounting=no
#DefaultMemoryAccounting={{ 'yes' if MEMORY_ACCOUNTING_DEFAULT else 'no' }}
#DefaultTasksAccounting=yes
-#DefaultTasksMax=15%
+#DefaultTasksMax=80%
#DefaultLimitCPU=
#DefaultLimitFSIZE=
#DefaultLimitDATA=
diff --git a/units/user-.slice.d/10-defaults.conf b/units/user-.slice.d/10-defaults.conf
index c81a00e..3b14c35 100644
--- a/units/user-.slice.d/10-defaults.conf
+++ b/units/user-.slice.d/10-defaults.conf
@@ -14,4 +14,4 @@ After=systemd-user-sessions.service
StopWhenUnneeded=yes
[Slice]
-TasksMax=33%
+TasksMax=80%
--
1.8.3.1

8
systemd.spec
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@ -20,7 +20,7 @@
Name: systemd
Url: https://www.freedesktop.org/wiki/Software/systemd
Version: 249
Release: 13
Release: 14
License: MIT and LGPLv2+ and GPLv2+
Summary: System and Service Manager
@ -63,7 +63,8 @@ Patch0014: 0014-journal-don-t-enable-systemd-journald-audit.socket-b.patch
Patch0015: 0015-systemd-change-time-log-level.patch
Patch0016: 0016-fix-capsh-drop-but-ping-success.patch
Patch0017: 0017-resolved-create-etc-resolv.conf-symlink-at-runtime.patch
patch0018: 0018-nop_job-of-a-unit-must-also-be-coldpluged-after-deserization.patch
Patch0018: 0018-nop_job-of-a-unit-must-also-be-coldpluged-after-deserization.patch
Patch0019: 0019-pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch
#backport
Patch6000: backport-core-fix-free-undefined-pointer-when-strdup-failed-i.patch
@ -1485,6 +1486,9 @@ fi
%{_libdir}/security/pam_systemd.so
%changelog
* Thu Mar 17 2022 xujing <xujing99@huawei.com> - 249-14
- pid1 bump DefaultTasksMax to 80% of the kernel pid.max value
* Thu Mar 17 2022 xujing <xujing99@huawei.com> - 249-13
- allow more inodes in /dev an /tmp