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https://issues.apache.org/jira/browse/HBASE-14188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ramkrishna.s.vasudevan updated HBASE-14188:
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Attachment: setSeqId.png
A profiler snapshot when using CellUtil.setSequenceId() in the hot path.
> Read path optimizations after HBASE-11425 profiling
> ---------------------------------------------------
>
> Key: HBASE-14188
> URL: https://issues.apache.org/jira/browse/HBASE-14188
> Project: HBase
> Issue Type: Sub-task
> Components: Scanners
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Attachments: setSeqId.png
>
>
> This subtask deals with some improvments that can be done in the read path
> (scans) after the changes for HBASE-11425 went in.
> -> Avoid CellUtil.setSequenceId in hot path.
> -> Use BBUtils in the MultibyteBuff.
> -> Use ByteBuff.skip() API in HFileReader rather than
> MultiByteBuff.position().
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