On 11/15/19 4:35 PM, dhils...@performair.com wrote:
> All;
> 
> Thank you for your help so far.  I have found the log entries from when the 
> object was found, but don't see a reference to the pool.
> 
> Here the logs:
> 2019-11-14 03:10:16.508601 osd.1 (osd.1) 21 : cluster [DBG] 56.7 deep-scrub 
> starts
> 2019-11-14 03:10:18.325881 osd.1 (osd.1) 22 : cluster [WRN] Large omap object 
> found. Object: 
> 56:f7d15b13:::.dir.f91aeff8-a365-47b4-a1c8-928cd66134e8.44130.1:head Key 
> count: 380425 Size (bytes): 82896978
> 

In this case it's in pool 56, check 'ceph df' to see which pool that is.

To me this seems like a RGW bucket which index grew too big.

Use:

$ radosgw-admin bucket list
$ radosgw-admin metadata get bucket:<BUCKET>

And match that UUID back to the bucket.

Wido

> Thank you,
> 
> Dominic L. Hilsbos, MBA 
> Director – Information Technology 
> Perform Air International Inc.
> dhils...@performair.com 
> www.PerformAir.com
> 
> 
> 
> -----Original Message-----
> From: Wido den Hollander [mailto:w...@42on.com] 
> Sent: Friday, November 15, 2019 1:56 AM
> To: Dominic Hilsbos; ceph-users@lists.ceph.com
> Cc: Stephen Self
> Subject: Re: [ceph-users] Large OMAP Object
> 
> Did you check /var/log/ceph/ceph.log on one of the Monitors to see which
> pool and Object the large Object is in?
> 
> Wido
> 
> On 11/15/19 12:23 AM, dhils...@performair.com wrote:
>> All;
>>
>> We had a warning about a large OMAP object pop up in one of our clusters 
>> overnight.  The cluster is configured for CephFS, but nothing mounts a 
>> CephFS, at this time.
>>
>> The cluster mostly uses RGW.  I've checked the cluster log, the MON log, and 
>> the MGR log on one of the mons, with no useful references to the pool / pg 
>> where the large OMAP objects resides.
>>
>> Is my only option to find this large OMAP object to go through the OSD logs 
>> for the individual OSDs in the cluster?
>>
>> Thank you,
>>
>> Dominic L. Hilsbos, MBA 
>> Director - Information Technology 
>> Perform Air International Inc.
>> dhils...@performair.com 
>> www.PerformAir.com
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
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