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From b924c79720cc2bf2edf75fa3ff43bb4954fccf1f Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Wed, 1 Aug 2018 13:19:39 +0200
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Subject: [PATCH] pid1: bump DefaultTasksMax to 80% of the kernel pid.max value
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This should be hopefully high enough even for the very big deployments.
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Resolves: #1523236
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---
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man/systemd-system.conf.xml | 2 +-
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src/basic/cgroup-util.h | 2 +-
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src/core/system.conf.in | 2 +-
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3 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
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index a914ef2523..085086200a 100644
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--- a/man/systemd-system.conf.xml
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+++ b/man/systemd-system.conf.xml
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@@ -339,7 +339,7 @@
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<listitem><para>Configure the default value for the per-unit <varname>TasksMax=</varname> setting. See
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<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for details. This setting applies to all unit types that support resource control settings, with the exception
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- of slice units. Defaults to 15%, which equals 4915 with the kernel's defaults on the host, but might be smaller
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+ of slice units. Defaults to 80%, which equals 26214 with the kernel's defaults on the host, but might be smaller
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in OS containers.</para></listitem>
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</varlistentry>
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diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h
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index 1a28a8163a..f10c26ad51 100644
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--- a/src/basic/cgroup-util.h
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+++ b/src/basic/cgroup-util.h
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@@ -100,7 +100,7 @@ static inline bool CGROUP_BLKIO_WEIGHT_IS_OK(uint64_t x) {
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}
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/* Default resource limits */
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-#define DEFAULT_TASKS_MAX_PERCENTAGE 15U /* 15% of PIDs, 4915 on default settings */
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+#define DEFAULT_TASKS_MAX_PERCENTAGE 80U /* 80% of PIDs, 26214 on default settings */
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#define DEFAULT_USER_TASKS_MAX_PERCENTAGE 33U /* 33% of PIDs, 10813 on default settings */
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typedef enum CGroupUnified {
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diff --git a/src/core/system.conf.in b/src/core/system.conf.in
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index f0a59a79a5..653ec6b8c9 100644
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--- a/src/core/system.conf.in
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+++ b/src/core/system.conf.in
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@@ -45,7 +45,7 @@
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#DefaultBlockIOAccounting=no
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#DefaultMemoryAccounting=@MEMORY_ACCOUNTING_DEFAULT@
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#DefaultTasksAccounting=yes
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-#DefaultTasksMax=15%
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+#DefaultTasksMax=80%
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#DefaultLimitCPU=
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#DefaultLimitFSIZE=
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#DefaultLimitDATA=
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