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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14766) WALEntryFilter's filter implement, cell.getFamily() needs to be replaced with the new low-cost implementation.
Date Thu, 05 Nov 2015 18:01:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14992125#comment-14992125
] 

huaxiang sun commented on HBASE-14766:
--------------------------------------

[~ted_yu] Thanks! Updated a new patch. The change in ScopeWALEntryFilter.filter() has been
done. The new patch avoids a clone of cell in the replication patch.

> WALEntryFilter's filter implement, cell.getFamily() needs to be replaced with the new
low-cost implementation.
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-14766
>                 URL: https://issues.apache.org/jira/browse/HBASE-14766
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: huaxiang sun
>            Assignee: huaxiang sun
>         Attachments: HBASE-14766-v001.patch, HBASE-14766-v002.patch
>
>
> Cell's getFamily() gets an array copy of the cell's family, while in the filter function,
 it just needs to peek into the family and do a compare. 
> Replace 
> Bytes.toString(cell.getFamily())
> with 
> Bytes.toString(cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength())



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