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-rw-r--r--man/journald.conf.xml39
1 files changed, 27 insertions, 12 deletions
diff --git a/man/journald.conf.xml b/man/journald.conf.xml
index b362c5de2c..e0796e1cce 100644
--- a/man/journald.conf.xml
+++ b/man/journald.conf.xml
@@ -250,20 +250,35 @@
<para><varname>SystemMaxUse=</varname>
and <varname>RuntimeMaxUse=</varname>
control how much disk space the
- journal may use up at
- maximum. Defaults to 10% of the size
- of the respective file
- system. <varname>SystemKeepFree=</varname>
- and
+ journal may use up at maximum.
+ <varname>SystemKeepFree=</varname> and
<varname>RuntimeKeepFree=</varname>
control how much disk space
- systemd-journald shall always leave
- free for other uses. Defaults to 15%
- of the size of the respective file
- system. systemd-journald will respect
- both limits, i.e. use the smaller of
- the two values.
- <varname>SystemMaxFileSize=</varname>
+ systemd-journald shall leave free for
+ other uses.
+ <command>systemd-journald</command>
+ will respect both limits and use the
+ smaller of the two values.</para>
+
+ <para>The first pair defaults to 10%
+ and the second to 15% of the size of
+ the respective file system. If the
+ file system is nearly full and either
+ <varname>SystemKeepFree=</varname> or
+ <varname>RuntimeKeepFree=</varname> is
+ violated when systemd-journald is
+ started, the value will be raised to
+ percentage that is actually free. This
+ means that if before there was enough
+ free space and journal files were
+ created, and subsequently something
+ else causes the file system to fill
+ up, journald will stop using more
+ space, but it'll will not removing
+ existing files to go reduce footprint
+ either.</para>
+
+ <para><varname>SystemMaxFileSize=</varname>
and
<varname>RuntimeMaxFileSize=</varname>
control how large individual journal