Document the potential issues about opt.background_thread.

This commit is contained in:
Qi Wang 2017-10-06 15:51:35 -07:00 committed by Qi Wang
parent 7e74093c96
commit fc83de0384

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@ -1010,9 +1010,12 @@ mallctl("arena." STRINGIFY(MALLCTL_ARENAS_ALL) ".decay",
(<type>const bool</type>)
<literal>r-</literal>
</term>
<listitem><para>Internal background worker threads enabled/disabled. See
<link linkend="background_thread">background_thread</link> for dynamic
control options and details. This option is disabled by
<listitem><para>Internal background worker threads enabled/disabled.
Because of potential circular dependencies, enabling background thread
using this option may cause crash or deadlock during initialization. For
a reliable way to use this feature, see <link
linkend="background_thread">background_thread</link> for dynamic control
options and details. This option is disabled by
default.</para></listitem>
</varlistentry>