Re: Dynamic bucket index resharding bug? - rgw.none showing unreal number of objects

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On Fri, Nov 22, 2019 at 9:09 PM J. Eric Ivancich <ivancich@xxxxxxxxxx> wrote:

> 2^64 (2 to the 64th power) is 18446744073709551616, which is 13 greater
> than your value of 18446744073709551603. So this likely represents the
> value of -13, but displayed in an unsigned format.

I've seen this with values between -2 and -10, see
https://tracker.ceph.com/issues/37942


Paul

>
> Obviously is should not calculate a value of -13. I'm guessing it's a
> bug when bucket index entries that are categorized as rgw.none are
> found, we're not adding to the stats, but when they're removed they are
> being subtracted from the stats.
>
> Interestingly resharding recalculates these, so you'll likely have a
> much smaller value when you're done.
>
> It seems the operations that result in rgw.none bucket index entries are
> cancelled operations and removals.
>
> We're currently looking at how best to deal with rgw.none stats here:
>
>     https://github.com/ceph/ceph/pull/29062
>
> Eric
>
> --
> J. Eric Ivancich
> he/him/his
> Red Hat Storage
> Ann Arbor, Michigan, USA
>
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