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man: correct and extend JournalSizeMax=

The man page claimed the default was 10M, but that's not true, it's
767M.

Also mention there's no point in increasing it further.

See: #26748
This commit is contained in:
Lennart Poettering 2023-06-22 17:10:14 +02:00
parent 4a78074fc1
commit e6421b6ccd

View File

@ -97,11 +97,14 @@
<term><varname>ExternalSizeMax=</varname></term>
<term><varname>JournalSizeMax=</varname></term>
<listitem><para>The maximum (compressed or uncompressed) size in bytes of a core to be saved in
separate files on disk (default: 1G on 32bit, 32G on 64bit systems) or in the journal (default:
10M). Unit suffixes are allowed just as in <option>ProcessSizeMax=</option>.</para></listitem>
<listitem><para>The maximum (compressed or uncompressed) size in bytes of a coredump to be saved in
separate files on disk (default: 1G on 32-bit systems, 32G on 64-bit systems) or in the journal
(default: 767M). Note that the journal service enforces a hard limit on journal log records of 767M,
and will ignore larger submitted log records. Hence, <varname>JournalSizeMax=</varname> may be
lowered relative to the default, but not increased. Unit suffixes are allowed just as in
<option>ProcessSizeMax=</option>.</para>
<para><varname>ExternalSizeMax=infinity</varname> sets the core size to unlimited.</para>
<para><varname>ExternalSizeMax=infinity</varname> sets the core size to unlimited.</para></listitem>
</varlistentry>
<varlistentry>