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Posted to issues@ozone.apache.org by "Hemant Kumar (Jira)" <ji...@apache.org> on 2023/03/29 17:10:00 UTC

[jira] [Assigned] (HDDS-8316) SnapDiff: Persistent collection optimization

     [ https://issues.apache.org/jira/browse/HDDS-8316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hemant Kumar reassigned HDDS-8316:
----------------------------------

    Assignee: Hemant Kumar

> SnapDiff: Persistent collection optimization
> --------------------------------------------
>
>                 Key: HDDS-8316
>                 URL: https://issues.apache.org/jira/browse/HDDS-8316
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Hemant Kumar
>            Assignee: Hemant Kumar
>            Priority: Major
>
> To store the snapDiff and intermediate objects, we implemented persistent collections (List, Map, Set) backed by RocksDB. Currently we do individual RocksDb put for every add/put operation to the collection. Which results to lots of I/O. We can optimize it by using WriteBatch and do batch updates of like 1000 entries.



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