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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18026) ProtobufUtil seems to do extra array copying
Date Tue, 16 May 2017 04:56:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011739#comment-16011739
] 

Hudson commented on HBASE-18026:
--------------------------------

SUCCESS: Integrated in Jenkins build HBase-1.3-JDK7 #164 (See [https://builds.apache.org/job/HBase-1.3-JDK7/164/])
Amend HBASE-18026 ProtobufUtil seems to do extra array copying (apurtell: rev d18eb62d8d0f02ea822090f409c2ded6f5279c3d)
* (edit) hbase-protocol/src/main/java/com/google/protobuf/HBaseZeroCopyByteString.java


> ProtobufUtil seems to do extra array copying
> --------------------------------------------
>
>                 Key: HBASE-18026
>                 URL: https://issues.apache.org/jira/browse/HBASE-18026
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.3.2
>            Reporter: Vincent Poon
>            Assignee: Vincent Poon
>            Priority: Minor
>             Fix For: 1.4.0, 1.2.6, 1.3.2, 1.1.11
>
>         Attachments: HBASE-18026.addendum.patch, HBASE-18026.branch-1.v1.patch, HBASE-18026.master.v1.patch
>
>
> In ProtobufUtil, the protobuf fields are copied into an array using toByteArray().  These
are then passed into the KeyValue constructor which does another copy.
> It seems like we can avoid a copy here by using HBaseZeroCopyByteString#zeroCopyGetBytes()
?



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