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https://issues.apache.org/jira/browse/HBASE-6721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988935#comment-14988935
]
Hadoop QA commented on HBASE-6721:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12770514/hbase-6721-v17.patch
against master branch at commit ceddec9141b658c790d2fb995c970982ab082028.
ATTACHMENT ID: 12770514
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 36 new
or modified tests.
{color:red}-1 javac{color}. The patch appears to cause mvn compile goal to
fail with Hadoop version 2.4.0.
Compilation errors resume:
[ERROR] COMPILATION ERROR :
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/group/GroupInfoManagerImpl.java:[588,47]
cannot find symbol
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.2:compile (default-compile) on
project hbase-server: Compilation failure
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/group/GroupInfoManagerImpl.java:[588,47]
cannot find symbol
[ERROR] symbol: method getHRegionInfo(org.apache.hadoop.hbase.client.Result)
[ERROR] location: class org.apache.hadoop.hbase.HRegionInfo
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :hbase-server
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/16380//console
This message is automatically generated.
> RegionServer Group based Assignment
> -----------------------------------
>
> Key: HBASE-6721
> URL: https://issues.apache.org/jira/browse/HBASE-6721
> Project: HBase
> Issue Type: New Feature
> Reporter: Francis Liu
> Assignee: Francis Liu
> Labels: hbase-6721
> Attachments: 6721-master-webUI.patch, HBASE-6721
> GroupBasedLoadBalancer Sequence Diagram.xml, HBASE-6721-DesigDoc.pdf,
> HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf,
> HBASE-6721_0.98_2.patch, HBASE-6721_10.patch, HBASE-6721_11.patch,
> HBASE-6721_12.patch, HBASE-6721_13.patch, HBASE-6721_14.patch,
> HBASE-6721_15.patch, HBASE-6721_8.patch, HBASE-6721_9.patch,
> HBASE-6721_9.patch, HBASE-6721_94.patch, HBASE-6721_94.patch,
> HBASE-6721_94_2.patch, HBASE-6721_94_3.patch, HBASE-6721_94_3.patch,
> HBASE-6721_94_4.patch, HBASE-6721_94_5.patch, HBASE-6721_94_6.patch,
> HBASE-6721_94_7.patch, HBASE-6721_98_1.patch, HBASE-6721_98_2.patch,
> HBASE-6721_hbase-6721_addendum.patch, HBASE-6721_trunk.patch,
> HBASE-6721_trunk.patch, HBASE-6721_trunk.patch, HBASE-6721_trunk1.patch,
> HBASE-6721_trunk2.patch, balanceCluster Sequence Diagram.svg,
> hbase-6721-v15-branch-1.1.patch, hbase-6721-v16.patch, hbase-6721-v17.patch,
> immediateAssignments Sequence Diagram.svg, randomAssignment Sequence
> Diagram.svg, retainAssignment Sequence Diagram.svg, roundRobinAssignment
> Sequence Diagram.svg
>
>
> In multi-tenant deployments of HBase, it is likely that a RegionServer will
> be serving out regions from a number of different tables owned by various
> client applications. Being able to group a subset of running RegionServers
> and assign specific tables to it, provides a client application a level of
> isolation and resource allocation.
> The proposal essentially is to have an AssignmentManager which is aware of
> RegionServer groups and assigns tables to region servers based on groupings.
> Load balancing will occur on a per group basis as well.
> This is essentially a simplification of the approach taken in HBASE-4120. See
> attached document.
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