I was doing parallel deletes until the point when there are >1M objects in the stry. Then delete fails with ‘no space left’ error. If one would deep-scrub those pgs containing corresponidng metadata, they turn to be inconsistent. In worst case one would get virtually empty folders that have size of 16EB. Those are impossible to delete as they are ‘non empty’.
-Mykola From: Gregory Farnum Sent: Saturday, 15 October 2016 05:02 To: Mykola Dvornik Cc: Heller, Chris; ceph-users@lists.ceph.com Subject: Re: [ceph-users] cephfs slow delete On Fri, Oct 14, 2016 at 6:26 PM, <mykola.dvor...@gmail.com> wrote: > If you are running 10.2.3 on your cluster, then I would strongly recommend > to NOT delete files in parallel as you might hit > http://tracker.ceph.com/issues/17177 I don't think these have anything to do with each other. What gave you the idea simultaneous deletes could invoke that issue?
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