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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11083) ExportSnapshot should provide capability to limit bandwidth consumption
Date Sat, 26 Apr 2014 17:21:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13982041#comment-13982041
] 

Hadoop QA commented on HBASE-11083:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12642082/11083-v2.txt
  against trunk revision .
  ATTACHMENT ID: 12642082

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 8 warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9408//console

This message is automatically generated.

> ExportSnapshot should provide capability to limit bandwidth consumption
> -----------------------------------------------------------------------
>
>                 Key: HBASE-11083
>                 URL: https://issues.apache.org/jira/browse/HBASE-11083
>             Project: HBase
>          Issue Type: Improvement
>          Components: snapshots
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 11083-v2.txt
>
>
> This capability was first brought up in this thread:
> http://search-hadoop.com/m/DHED4Td8Xb1
> The rewritten distcp already provides this capability.
> See MAPREDUCE-2765
> distcp implementation utilizes ThrottledInputStream which provides bandwidth throttling
on a specified InputStream.
> As a first step, we can
> * add an option to ExportSnapshot which expresses bandwidth per map in MB
> * utilize ThrottledInputStream in ExportSnapshot#ExportMapper#copyFile().



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