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[Jason Dixon <question251723@xxxxxxxxxxxxxxxxxxxxx>]

Question #251723 on Graphite changed:
https://answers.launchpad.net/graphite/+question/251723

    Status: Needs information => Answered

Jason Dixon proposed the following answer:
I've seen this when carbon-cache is blocking on writes. If you're using
relays look for the existence of carbon.relays.*.destinations.*.queuedUntilConnected
and carbon.relays.*.destinations.*.fullQueueDrops metrics.

Also, check your carbon.agents.*.cache.queues metrics.

Jason

On Fri, Jul 18, 2014 at 09:31:51PM -0000, Wawrzyniec Niewodnicza??ski wrote:
> Question #251723 on Graphite changed:
> https://answers.launchpad.net/graphite/+question/251723
> 
>     Status: Open => Needs information
> 
> Wawrzyniec Niewodnicza??ski requested more information:
> What do you exactly mean by "We are witnessing high CPU usage for
> carbon-cache on two of our systems, carbon-cache is maxing out one of
> the cpu cores." What does CPU doing?
> 
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-- 
Jason Dixon
http://obfuscurity.com/
https://twitter.com/obfuscurity

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