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Re: [Question #176255]: More performance tuning magic please

 

Question #176255 on Graphite changed:
https://answers.launchpad.net/graphite/+question/176255

    Status: Open => Needs information

chrismd requested more information:
Unless you're running multiple carbon-cache instances on a single
machine it can't step on itself because there is only one writer thread.
The fact that this only affects carbon metrics is definitely relevant.
Can you grep one of the affected metrics out of your updates.log to see
the timeline of writes? Do any get skipped? If your updates.log is empty
you'll have to set LOG_UPDATES = True in carbon.conf and restart carbon-
cache.

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