https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204741
Bug ID: 204741
Summary: [patch] [feature-request] syslogd(8) should be able to
protect itself from OOM killer
Product: Base System
Version: 10.2-STABLE
Hardware: Any
OS: Any
Status: New
Keywords: patch
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Keywords: patch
Created attachment 163419
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=163419&action=edit
syslogd-protect.diff
If the system exhausts available memory and swap, it starts to kill processes
and report killed processes with syslog facility. syslogd(8) should not be
killed or else system administrator has not complete information about the
case. Practice shows that syslogd may be killed like any other process.
Let's teach syslogd to protect itself from OOM killer. The following patch
introduces new command line option "-O" and system administrator is allowed to
have a line in its /etc/rc.conf:
syslogd_flags="-O"
In this case, syslogd became protected.
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