stack updated HBASE-16703:
    Component/s: Performance

> 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 Purtell
>            Assignee: ramkrishna.s.vasudevan
> 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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