Re: btrfs constant background write activity even at idle

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(reposted to the list without the attachment as the list blocks it. If anyone else wants it I can send it direct)

> Hi James,
> 
> Can you generate an OSD log with 'debug filestore = 20' for an idle period?
> 

The best I can do right now is 'relatively idle'. Ceph -w says that the cluster is averaging 70op/s, and ~300KB/s io.

Logfile is attached. The osd rejoined the cluster around 08:55. That's another thing, it may be anecdotal, but the OSD's on btrfs seem to take a long time to rejoin.

James

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