Re: glusterfsd process thrashing CPU

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On 11/18/2014 01:05 PM, Pranith Kumar Karampuri wrote:

On 11/18/2014 12:32 PM, Lindsay Mathieson wrote:
2 Node replicate setup,

Everything has been stable for days untill I had occasion to reboot
one of the nodes. Since then (past hour) glusterfsd has been pegging
the CPU(s), utilization ranging from 1% to 1000% !

On average its around 500%

This is a vm server, so there are only 27 VM images for a total of
800GB. Its an Intel E5-2620 (12 Cores) with 32GB ECC RAM
Sorry didn't see this one. I think this is happening because of 'diff' based self-heal which does full file checksums, that I believe is the root cause. Could you execute 'gluster volume set <volname> cluster.data-self-heal-algorithm full' to prevent this issue in future. But this option will be effective for the new self-heals that will be triggered after the execution of the command. The ongoing ones will still use the old mode of self-heal.

Pranith

- What does glusterfsd do?

- What can I do to fix this?
Which version of glusterfs are you using? Do you have directories with lots of files?

Pranith

thanks,


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