hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16659) Minor improvement in ReversedRegionScannerImpl
Date Tue, 20 Sep 2016 09:54:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

binlijin updated HBASE-16659:
-----------------------------
    Attachment: HBASE-16659-master_v2.patch

> Minor improvement in ReversedRegionScannerImpl
> ----------------------------------------------
>
>                 Key: HBASE-16659
>                 URL: https://issues.apache.org/jira/browse/HBASE-16659
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: binlijin
>            Assignee: binlijin
>            Priority: Minor
>         Attachments: HBASE-16659-master.patch, HBASE-16659-master_v2.patch
>
>
> Current in ReversedRegionScannerImpl#nextRow, to get the previous row to seek, it use
KeyValueUtil.createFirstOnRow which will have two copy, the first copy is copy to a tmp byte[],
the second copy is in KeyValue. We can use CellUtil.createFirstOnRow which will have no copy.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message