[GitHub] [ozone] bharatviswa504 edited a comment on pull request #2261: HDDS-5243. Return latest key location for clients

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bharatviswa504 edited a comment on pull request #2261:
URL: https://github.com/apache/ozone/pull/2261#issuecomment-844065641


   > 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.
   
   I think we need to revisit this it was on my bucket list never got to it. Why each version maintains cumulative of all.
   And also the 2nd column mentioned size & process time but only I see one value, what is the processing time. Just curious how much performance improvement we have, certainly size transmitted through network is reduced.


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