[rsyslog] One thread eating up infinite CPU time (spinlock?)

[Rainer Gerhards]

Known - and fixed - issue: 

http://bugzilla.adiscon.com/show_bug.cgi?id=194

Rainer

> -----Original Message-----
> From: rsyslog-bounces at lists.adiscon.com [mailto:rsyslog-
> bounces at lists.adiscon.com] On Behalf Of Pierre BLONDEAU
> Sent: Wednesday, December 08, 2010 10:31 AM
> To: rsyslog at lists.adiscon.com
> Subject: Re: [rsyslog] One thread eating up infinite CPU time
> (spinlock?)
> 
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> 
> Hello,
> 
> I have a similar problem in the practice but not the same architecture.
> 
> I use the debian backport version of rsyslog ( 4.6.4 ).
> 
> I use one instance of rsyslog who listen only whit gtls on
> x509/certvalid mode. At most, I have about 200 machines connected. I
> don't use relp but my rsyslog server send au informations in one mysql
> server.
> 
> My server is not very powerful, but it does not seem to be saturated :
> 	one Intel(R) Xeon(TM) CPU 2.40GHz 2 cors
> 	2 GB of memory
> 
> I have rsyslog and mysql on the same server.
> 
> After several hours of running (2 or 3), the process rsyslog is 100%
> CPU. The machines are connected, but they no longer seem to send the
> log
> because they create temporary queues that I configured.
> 
> When I make a 'strace -fp <process-id>', I see many :
> [pid  6320] accept(1, 0xb6a53114, [128]) = -1 EAGAIN (Resource
> temporarily unavailable)
> [pid  6320] accept(2, 0xb6a53114, [128]) = -1 EAGAIN (Resource
> temporarily unavailable)
> [pid  6320] accept(1, 0xb6a53114, [128]) = -1 EAGAIN (Resource
> temporarily unavailable)
> [pid  6320] accept(2, 0xb6a53114, [128]) = -1 EAGAIN (Resource
> temporarily unavailable)
> 
> Note that the call system is not the same as in the first post
> 
> I not sure it's the same problem, but symptoms appear identical.
> 
> Thanks,
> Pierre
> 
> 
> - --
> - ----------------------------------------------
> Pierre BLONDEAU
> Administrateur Systèmes & réseaux
> Université de Caen
> Laboratoire GREYC, Département d'informatique
> 
> tel	: 02 31 56 73 38
> bureau	: Campus 2, Science 3, 406
> - ----------------------------------------------
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