Issue with memcached - cpu pegged and no response
sgrimm at facebook.com
Sun Nov 12 09:24:42 UTC 2006
Can you attach a debugger to it and get a stack trace? It would help to
know where in the code it's hanging/looping.
> We've been having an issue with memcached 1.2.0 on Fedora Core 5 on am 64bit
> AMD with 16gigs of memory.
> Memcached is running with the following parameters:
> memcached -d -p 11211 -u nobody -c 1024 -m 14336
> About every two weeks we'll run into a situation where memcached will lock
> up with 100% cpu utilization and become unresponsive. Only work around is
> to restart the daemon at which point we loose our cache.
> Is there any known issues around this? The interesting thing from our side
> is that this has happened on the same exact machine 4 times now, while we
> have another machine in the same cluster that has been running with no
> problems at all. Exact same configuration. Nothing from the OS indicates a
> hardware problem.
> Please let me know what other information is important in helping to debug
> this problem.
> Thank You
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