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Posted to issues@ozone.apache.org by "Swaminathan Balachandran (Jira)" <ji...@apache.org> on 2023/08/14 15:58:00 UTC

[jira] [Updated] (HDDS-9154) Optimize Snapdiff to compute diff from Delta SST Files in case of DAG based Diff

     [ https://issues.apache.org/jira/browse/HDDS-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Swaminathan Balachandran updated HDDS-9154:
-------------------------------------------
    Priority: Critical  (was: Major)

> 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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