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Re: cfservd memory/file handle leak?


From: christian pearce
Subject: Re: cfservd memory/file handle leak?
Date: Fri, 23 Sep 2005 19:54:05 -0400

There are definitely problems.  We simulate configs of 10,000
machines.  By the end of the day we has 512M used up by cfservd.  We
are running 2.1.15.  I have not had a chance to try and track it down.
 It is actually pretty tough to do this.  I know there are tools, but
I am not up to speed on them.

On 9/22/05, Mark Burgess <address@hidden> wrote:
>
> Upgrade, upgrade, upgrade! :)
>
> On Thu, 2005-09-22 at 11:46 -0700, Iain Morgan wrote:
> > I've seen situations where cfservd (2.1.13) on Solaris accumulates threads
> > over time. The threads don't get expired. Presumably if this happens over
> > a protracted period it could eventually prevent cfservd from accepting
> > new connections.
> >
> > --
> > Iain Morgan
> >
> > On Thu Sep 22 10:50:09 2005, Martin, Jason H wrote:
> > >
> > > I've seen cfservd stops accepting connections before, but sadly I didn't
> > > get enough information about it to say why. Linux / 2.1.15.
> > >
> > > -Jason Martin
> > >
> > > > On Thu, 22 Sep 2005, Paul Krizak wrote:
> > > >
> > > > > It appears that cfservd is leaking file handles and
> > > > (possibly) memory.
> > > > > I ran
> > > > > cfagent -qB on 1225 hosts twice in a 24-hour period (~12
> > > > hrs between each
> > > > > run) and cfservd is now using over 120M of memory and is
> > > > using 3705 file
> > > > > descriptors.  When it reaches the shell limit of 4096 file
> > > > descriptors,
> > > > > cfservd locks and refuses to accept more connections,
> > > > though the process does
> > > > > not die.
> > > > >
> > > > > Has anybody else experienced this?  I hate to take the windoze
> > > > > approach and
> > > > > just restart cfservd every morning.
> > > > >
> > > >
> > > >
> > > > I've seen the growth of memory utilization, I've also see it
> > > > stop taking
> > > > connections after a certain point..  I've seen this with
> > > > 2.1.10 and still
> > > > with 2.1.13.  I'm not planning on going to 2.1.15 until I have my
> > > > environment a bit more under control.  Right now I have cfagent kill
> > > > cfservd every night at midnight.  It then restarts it later
> > > > in the morning
> > > > after backups and whatnot are done.
> > >
> > >
> > > _______________________________________________
> > > Help-cfengine mailing list
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> > > http://lists.gnu.org/mailman/listinfo/help-cfengine
> > >
> >
> >
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>
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--
Christian Pearce
Perfect Order, Inc.




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