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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12736) Let MetaScanner recycle a given Connection
Date Sat, 20 Dec 2014 14:49:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14254779#comment-14254779
] 

Hadoop QA commented on HBASE-12736:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12688521/HBASE-12736.patch
  against master branch at commit e267db45ac1dca0b56ca562d6407f16ee1f68ab2.
  ATTACHMENT ID: 12688521

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

    {color:green}+1 tests included{color}.  The patch appears to include 24 new or modified
tests.

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

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

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

                {color:red}-1 checkstyle{color}.  The applied patch generated 2086 checkstyle
errors (more than the master's current 2085 errors).

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) 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:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.client.TestClientNoCluster

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/checkstyle-aggregate.html

                Javadoc warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//artifact/patchprocess/patchJavadocWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/12169//console

This message is automatically generated.

> Let MetaScanner recycle a given Connection
> ------------------------------------------
>
>                 Key: HBASE-12736
>                 URL: https://issues.apache.org/jira/browse/HBASE-12736
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>            Reporter: Jurriaan Mous
>            Assignee: Jurriaan Mous
>         Attachments: HBASE-12736.patch
>
>
> It is very heavy to create a Connection on each meta scan. Connections create RpcClients,
RpcClients create RPC connections and all cannot be recycled.
> Tests with a lot of metascans are very heavy with the async client.
> This issue is to make anything that uses metaScans reuse the same connection.



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