Tracker crashes under heavy load

Oezcan Acar acar at unitedinter.net
Mon Jun 25 21:10:25 UTC 2007


Hi,


> Özcan,
> 
> It should be going to your syslog if you daemonized it.


ok, I'll check this.
 
> Or, run it in the foreground and watch what's happening.  I imagine you're
> running out of file descriptors.  1024 is a common limit.  What's your
> value for:
> 
>   $ ulimit -n


I increased it to 128.000.


I am now using memcached between perlbal and tracker in order the cache the paths and that helped to reduce the trafic between perlbal and tracker.

thank you for your help.


 

> Admittedly, MogileFS shouldn't crash when it runs out of file
> descriptors... we should add a test for that.
> 
> - Brad
> 
> 
> On Sun, 24 Jun 2007, Oezcan Acar wrote:
> 
> > Hi,
> >
> > we yesterday deployed our application with mogilefs. App. 1000
> concurrent user on the platform and the tracker crushes. Following to see:
> >
> > host at tracker1:~> check
> > Checking trackers...
> >   192.168.1.2:6001 ... REQUEST FAILURE (is the tracker up?)
> > Unable to retrieve host information from tracker(s).
> >
> > We are using Suse 10.0 Linux. How can I get some logs in order to see
> what happend with the tracker?
> >
> > How can I start the tracker and log the output of debugs?
> >
> > Our production system is down now, help is needed .
> >
> > Thanks.
> >
> >
> > --
> > Mit freundlichen Grüßen
> >
> > ___________________________
> >
> > Özcan Acar, Dipl. Inf(FH)
> > Vorstand
> > Smart Web Business AG
> >
> > Im Niederfeld 8
> > 65462 Gustavsburg
> >
> > +49 171 57 33 66 5
> > acar at unitedinter.net
> >
> >

-- 
Mit freundlichen Grüßen

___________________________

Özcan Acar, Dipl. Inf(FH)
Vorstand
Smart Web Business AG

Im Niederfeld 8
65462 Gustavsburg

+49 171 57 33 66 5
acar at unitedinter.net



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