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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14188) Read path optimizations after HBASE-11425 profiling
Date Thu, 06 Aug 2015 11:22:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ramkrishna.s.vasudevan updated HBASE-14188:
-------------------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.0.0
           Status: Resolved  (was: Patch Available)

Pushed to master. Thanks for the review Anoop.

> 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
>             Fix For: 2.0.0
>
>         Attachments: HBASE-14188.patch, HBASE-14188_1.patch, HBASE-14188_2.patch, 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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