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man: clarify DefaultTasksMax doc

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Pavel Sapezhko 2020-11-18 17:54:01 +03:00 committed by Zbigniew Jędrzejewski-Szmek
parent c7faa23235
commit 77f5277a7a
1 changed files with 4 additions and 2 deletions
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6
man/systemd-system.conf.xml
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@ -361,8 +361,10 @@
<listitem><para>Configure the default value for the per-unit <varname>TasksMax=</varname> setting. See <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> <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 for details. This setting applies to all unit types that support resource control settings, with the exception
of slice units. Defaults to 15%, which equals 4915 with the kernel's defaults on the host, but might be smaller of slice units. Defaults to 15% of the sysctl setting <varname>kernel.pid_max=</varname> or root cgroup <varname>pids.max</varname>.
in OS containers.</para></listitem> 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,
but might be greater in other systems or smaller in OS containers.</para></listitem>
</varlistentry> </varlistentry>
<varlistentry> <varlistentry>