[rrd-developers] rrdcached PID file and socket

Daniel.Pocock at barclayscapital.com Daniel.Pocock at barclayscapital.com
Wed Oct 1 15:37:26 CEST 2008


> On Wed, Oct 01, 2008 at 09:37:17AM +0100, 
> Daniel.Pocock at barclayscapital.com wrote:
> > I've occasionally had segfaults in rrdcached. I'm still 
> investigating 
> > the root cause.
> What SVN version are you running?  Can you send a backtrace?

I downloaded yesterday's snapshot tarball.  I'm not able to check out
from svn:// URLs due to a firewall - is there a http:// URL for the
rrdtool SVN?

The original seg faults I got were due to undersized RRD files, the
issue was traced fairly easily from the backtraces and the last
filenames accessed.  Somehow some of the RRD files were not fully
created when I started my Ganglia server.  I think that problem was with
1.3.2.  I went back to square one with trunk, deleting all my RRDs and
letting it recreate 95GB of them when Ganglia started - this time, all
of them were created correctly, so I'm guessing the RRD creation problem
has been fixed.

The latest seg fault happened at 19:00 yesterday using trunk.  All file
sizes are correct, so it must have been caused by something different.
However, due to an issue with my debug symbols, I couldn't get a
backtrace, so I'm waiting for it to crash again...


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