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https://issues.apache.org/jira/browse/HDDS-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17759126#comment-17759126
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Swaminathan Balachandran commented on HDDS-9154:
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Design Doc:
https://docs.google.com/document/d/11BPawe25kUHOyoHzTt_pbmsnNHjenWU5DUNu1iRveWQ/edit?usp=sharing
> Optimize Snapdiff to compute diff from Delta SST Files in case of DAG based
> Diff
> --------------------------------------------------------------------------------
>
> Key: HDDS-9154
> URL: https://issues.apache.org/jira/browse/HDDS-9154
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Critical
>
> Currently Snapdiff is computed by getting a reverse object id mapping by
> reading the Delta sst Files and referring to the src and target snapshot
> rocksdb. Instead of computing the diff based on the contents of the sst files
> directly based on the internal rocksdb sequence number and value in the sst
> file which will save lot of io-ops in the diff computation.
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