HI Ulf, Yesterday Ulf Zimmermann wrote:
> I got close to 300 machines running collectd, configured to use unixsocks to > rrdcached on a central server. We are running more and more into threads > dieing (collectd then starts complaining and fills up /var/messages) and when > we try to restart collectd, sometimes it works, sometimes we end up with: > > Oct 30 22:27:19 log02 rrdcached[16864]: listen_thread_main: pthread_create > failed. > Oct 30 22:27:34 log02 rrdcached[16864]: listen_thread_main: pthread_create > failed. > Oct 30 22:28:10 log02 rrdcached[16864]: listen_thread_main: pthread_create > failed. > > And at this point we usual have to restart the rrdcached daemon, which then > means having to restart collectd on close to 300 machines. > > How can this be debugged to find the issue (potential inside of pthreads). > The central server is running RedHat EL5 Update 4, the rrdtool/rrdcached is > 1.4.4 from rpmforge. > > Ulf, who is getting more grey hair by the minute with issues like this :-( try the latest stable snapshot ... there are already a number of fixes in the 1.4 branche ... for memory issues and such ... maybe this affects your problem too. http://oss.oetiker.ch/rrdtool/pub/beta/rrdtool-1.4-svn-snap.tar.gz cheers tobi > > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users > > -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch [email protected] ++41 62 775 9902 / sb: -9900 _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
