You should post the complete config, so that we do not need to guess. My *guess* is that you run a TCP forwarded on the main queue, the remote machine blocks and the forwarded backs up.
Rainer On Mon, Jan 13, 2014 at 9:00 AM, dormando <[email protected]> wrote: > Hi, > > I've been experiencing a periodic hang in rsyslog 7.4.7 on a central > logging node that we have. > > Everything runs fine for anywhere betwen 6-48 hours, then one thread will > hang at 100% CPU, with strace showing: > select(1, NULL, NULL, NULL, {82024, 797024}^C <unfinished ...> > > The selects are always similar. "1, NULL, NULL, NULL" and an increasing > timeout. > > The configuration is minimal.. using the old syntax since we just recently > upgraded and I'm lazy. > > $DefaultNetstreamDriver gtls > > $MainMsgQueueType FixedArray > $MainMsgQueueSize 1000000 > $MainMsgQueueWorkerThreads 4 > $MainMsgQueueDequeueBatchSize 2000 > > (then the DriverCAFile/etc defines) > > $ModLoad imtcp > $InputTCPMaxSessions 1000 > $InputTCPServerStreamDriverMode 1 > $InputTCPServerStreamDriverAuthMode anon > $InputTCPServerRun 514 > > ... the rest are just log routing rules and the module imports required to > make the above lines work. > > Host is running ubuntu 12.04. > > Clients are very similar. Works over TCP, not using RELP. Don't think any > of the clients are hanging but I haven't checked too closely. > > Unfortunately the hang isn't frequent enough to do any brute force > debugging. Any ideas what it could be, or what information I could collect > to track it down faster? If I don't figure this out soon I'll have to try > something else, and I don't want to do that :( > > Thanks! > -Dormando > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > What's up with rsyslog? Follow https://twitter.com/rgerhards > NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad > of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you > DON'T LIKE THAT. > _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com/professional-services/ What's up with rsyslog? Follow https://twitter.com/rgerhards NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T LIKE THAT.

