Re: removing/flattening a bucket without data movement?

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On 8/31/19 4:14 PM, Zoltan Arnold Nagy wrote:
Could you elaborate a bit more? upmap is used to map specific PGs to specific OSDs
in order to deal with CRUSH inefficiencies.

Why would I want to add a layer of indirection when the goal is to remove the bucket entirely?

As I understood you want to make huge CRUSH map changes without huge data movement.

Upmap can help with this, you map your current PG's to OSD's that already holds this PG's.




k
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