From 0dc5d23c85db85f96b141d4d32deee8018e56a6a Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 27 Jun 2014 18:57:24 +0200
Subject: coredump: add simple coredump vacuuming

When disk space taken up by coredumps grows beyond a configured limit
start removing the oldest coredump of the user with the most coredumps,
until we get below the limit again.
---
 man/coredump.conf.xml | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'man/coredump.conf.xml')

diff --git a/man/coredump.conf.xml b/man/coredump.conf.xml
index 9e4adff46a..e24d958ac4 100644
--- a/man/coredump.conf.xml
+++ b/man/coredump.conf.xml
@@ -121,6 +121,23 @@
         <listitem><para>The maximum (uncompressed) size in bytes of a
         core to be saved.</para></listitem>
       </varlistentry>
+
+      <varlistentry>
+        <term><varname>MaxUse=</varname></term>
+        <term><varname>KeepFree=</varname></term>
+
+        <listitem><para>Enforce limits on the disk space taken up by
+        externally stored coredumps. <option>MaxUse=</option> makes
+        sure that old coredumps are removed as soon as the total disk
+        space taken up by coredumps grows beyond this limit (defaults
+        to 10% of the total disk size). <option>KeepFree=</option>
+        controls how much disk space to keep free at least (defaults
+        to 15% of the total disk size). Note that the disk space used
+        by coredumps might temporarily exceed these limits while
+        coredumps are processed. Note that old coredumps are also
+        removed based on on time via
+        <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para></listitem>
+      </varlistentry>
     </variablelist>
 
   </refsect1>
@@ -129,7 +146,8 @@
     <title>See Also</title>
     <para>
       <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-      <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+      <citerefentry><refentrytitle>coredumpctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>
     </para>
   </refsect1>
 
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