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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2021/05/18 16:07:36 UTC

[GitHub] [ozone] symious commented on pull request #2261: HDDS-5243. Return latest key location for clients

symious commented on pull request #2261:
URL: https://github.com/apache/ozone/pull/2261#issuecomment-843308499


   Some stats about this improvement, consider a key is recommitted `n` times with the same content.
   versions|size & process times before improvement|size & process times after improvement
   --- | --- | ---
   1|1|1
   5|15|5
   10|55|10
   100|5050|100
   1000|500500|1000
   
   The content of the keyLocationList should be as follows:
   list[0]: version0
   list[1]: version0, version1
   list[2]: version0, version1, version2
   list[3]: version0, version1, version2, version3
   ...
   
   For each version, all history versions are now stored in an OmKeyLocationInfoGroup.


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