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https://issues.apache.org/jira/browse/HDDS-1624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nanda kumar updated HDDS-1624:
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Fix Version/s: 0.4.1
> Refactor operations inside the bucket lock in OM key write.
> -----------------------------------------------------------
>
> Key: HDDS-1624
> URL: https://issues.apache.org/jira/browse/HDDS-1624
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Manager
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Labels: pull-request-available
> Fix For: 0.5.0, 0.4.1
>
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> There are a few steps that are done inside the OM bucket lock that are lock
> invariant and can be done outside the lock. This patch refactors those steps.
> It also adds an isExist API in the metadata store so that we dont need to
> deserialize the byte[] to Object while doing a simple _table.get(key) !=
> null_ check.
> On applying the patch, the OM + SCM (With dummy datanodes) write performance
> improves by around 3 - 6x based on number of existing keys in the OM RocksDB.
> Thanks to [~nandakumar131] who helped with this patch.
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