for us.
Sander
From: Gregory Farnum
Sent: Thursday, June 14, 2018 22:45
To: Sander van Schie / True
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Performance issues with deep-scrub since upgrading
from v12.2.2 to v12.2.5
Yes. Deep scrub of a bucket
Thursday, June 14, 2018 19:45
> *To:* Sander van Schie / True
> *Cc:* ceph-users@lists.ceph.com
> *Subject:* Re: [ceph-users] Performance issues with deep-scrub since
> upgrading from v12.2.2 to v12.2.5
>
> Deep scrub needs to read every object in the pg. if some pgs ar
omehow be related?
Thanks
Sander
From: Gregory Farnum
Sent: Thursday, June 14, 2018 19:45
To: Sander van Schie / True
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Performance issues with deep-scrub since upgrading
from v12.2.2 to v12.2.5
Deep scrub
Deep scrub needs to read every object in the pg. if some pgs are only
taking 5 seconds they must be nearly empty (or maybe they only contain
objects with small amounts of omap or something). Ten minutes is perfectly
reasonable, but it is an added load on the cluster as it does all those
object
Hello,
We recently upgraded Ceph from version 12.2.2 to version 12.2.5. Since the
upgrade we've been having performance issues which seem to relate to when
deep-scrub actions are performed.
Most of the time deep-scrub actions only takes a couple of seconds at most,
however ocassionaly it
