Re: Trying to understand the contents of .rgw.buckets.index

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On 29-01-16 11:31, Micha Krause wrote:
> Hi,
> 
> I'm having problems listing the contents of an s3 bucket with ~2M objects.
> 
> I already found the new bucket index sharding feature, but I'm
> interested how these Indexes are stored.
> 
> My index pool shows no space used, and all objects have 0B.
> 
> root@mon01:~ # rados df -p .rgw.buckets.index
> pool name                 KB      objects       clones     degraded     
> unfound           rd        rd KB           wr        wr KB
> .rgw.buckets.index            0           62            0           
> 0           0     28177514    336051356     22897231            0
> 
> Why would sharing a 0B object make any difference?
> 
The index is stored in the omap of the object which you can list with
the 'rados' command.

So it's not data inside the RADOS object, but in the omap key/value store.

Wido

> 
> 
> Micha Krause
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