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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/06/11 20:52:00 UTC

[jira] [Resolved] (HBASE-16703) Explore object pooling of SeekerState

     [ https://issues.apache.org/jira/browse/HBASE-16703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-16703.
-----------------------------------------
      Assignee:     (was: ramkrishna.s.vasudevan)
    Resolution: Won't Fix

> Explore object pooling of SeekerState
> -------------------------------------
>
>                 Key: HBASE-16703
>                 URL: https://issues.apache.org/jira/browse/HBASE-16703
>             Project: HBase
>          Issue Type: Task
>          Components: Performance
>            Reporter: Andrew Kyle Purtell
>            Priority: Major
>
> In read workloads 35% of the allocation pressure produced by servicing RPC requests, when block encoding is enabled, comes from BufferedDataBlockEncoder$SeekerState.<init>, where we allocate two byte arrays of INITIAL_KEY_BUFFER_SIZE in length. There's an opportunity for object pooling of SeekerState here. Subsequent code checks if those byte arrays are sized sufficiently to handle incoming data to copy. The arrays will be resized if needed. 



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