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-rw-r--r--pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch64
1 files changed, 64 insertions, 0 deletions
diff --git a/pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch b/pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch
new file mode 100644
index 0000000..135f46b
--- /dev/null
+++ b/pid1-bump-DefaultTasksMax-to-80-of-the-kernel-pid.ma.patch
@@ -0,0 +1,64 @@
+From ad2da19e1e80a9ab9d0dfae17a74f5009e4d1898 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/manager.c | 2 +-
+ src/core/system.conf.in | 2 +-
+ units/user-.slice.d/10-defaults.conf | 2 +-
+ 4 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
+index 3c06b65..72f366e 100644
+--- a/man/systemd-system.conf.xml
++++ b/man/systemd-system.conf.xml
+@@ -501,7 +501,7 @@
+ <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/manager.c b/src/core/manager.c
+index 45c8966..ce20d6b 100644
+--- a/src/core/manager.c
++++ b/src/core/manager.c
+@@ -114,7 +114,7 @@
+ /* How many units and jobs to process of the bus queue before returning to the event loop. */
+ #define MANAGER_BUS_MESSAGE_BUDGET 100U
+
+-#define DEFAULT_TASKS_MAX ((CGroupTasksMax) { 15U, 100U }) /* 15% */
++#define DEFAULT_TASKS_MAX ((CGroupTasksMax) { 80U, 100U }) /* 80% */
+
+ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+ static int manager_dispatch_cgroups_agent_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+diff --git a/src/core/system.conf.in b/src/core/system.conf.in
+index 05eb681..472d1ca 100644
+--- a/src/core/system.conf.in
++++ b/src/core/system.conf.in
+@@ -58,7 +58,7 @@
+ #DefaultIPAccounting=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 f688eac..20c39ec 100644
+--- a/units/user-.slice.d/10-defaults.conf
++++ b/units/user-.slice.d/10-defaults.conf
+@@ -13,4 +13,4 @@ Documentation=man:user@.service(5)
+ StopWhenUnneeded=yes
+
+ [Slice]
+-TasksMax=33%
++TasksMax=80%
+--
+2.33.0
+