Hi,
We're seeing signifcant memory leakage in rsyslogd in our production
environment. Verified with 8.2.1 and after the upgrade to 8.2.2.
To give you an idea, rsyslogd now uses nearly 40GB of RSS memory with
about 20 hours of uptime.
This is using the package from the RPM repo.
Unfortunately I'm not sure how much detail I can go into on our
configuration on the public list. It's moderately complex, but I'm sure
there are more complex systems around.
I ran some impstats output through the online stats analyzer and got a
lot of this:
- 33% File Requests were evicted ('10885927' requests, '3594792'
evicted) between line 253 and 255 (Startdate: '2014/Jul/22 07:16:42'
Enddate: '2014/Jul/22 07:16:42')
- 7% File Requests were evicted ('1982155' requests, '141794' evicted)
between line 255 and 301 (Startdate: '2014/Jul/22 07:16:42' Enddate:
'2014/Jul/22 07:17:42')
- 32% File Requests were evicted ('10907196' requests, '3598535'
evicted) between line 303 and 305 (Startdate: '2014/Jul/22 07:17:42'
Enddate: '2014/Jul/22 07:17:42')
This appears on dynafile lines - could this have something to do with it?
Has anyone else seen significant memory leakage?
I/O wait is pretty much zero, as is user and system CPU usage. The
system is virtually idle, with very low load, even for quite a high
traffic of logs coming in.
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