[syslog-ng] Leaking objects in size-4096 cache in slabinfo

[Doug Warner]

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I'm running syslog-ng 3.0.4 OSE on Gentoo and have a central syslog host that
accepts about 3Mbps of log traffic via a TCP pipe.  We've recently been having
oom-killer problems and I finally tracked it down to the fact that we seem to
be leaking objects in the size-4096 cache.  Now, slabinfo is new to me so I
could be interpreting this wrong, but restarting syslog-ng definite reclaims
this cache.

What data can I provide to help track down this problem?

I noticed that there seems to be a similar error in 3.1 beta, reported here:
http://thread.gmane.org/gmane.comp.syslog-ng/8544

- -Doug


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