Re: Converting to dynamic bucket resharding in Luminous

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Hi,

  I have a Jewel Ceph cluster with RGW index sharding enabled.  I've configured the index to have 128 shards.  I am upgrading to Luminous.  What will happen if I enable dynamic bucket index resharding in ceph.conf?  Will it maintain my 128 shards (the buckets are currently empty), and will it split them (to 256, and beyond) when they get full enough?
Yes it will.
However I would not recommend enabling dynamic resharding, I had some problems with it, like resharding loops where large buckets failed to reshard, and it tried resharding
them over and over again.
I had problems deleting some buckets that had multiple reshards done because of missing objects (Maybe objects where deleted during a dynamic reshard, and this was not recorded to
the indexes).

So for the time being I disabled dynamic resharding again.

Micha Krause
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