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https://issues.apache.org/jira/browse/HBASE-13316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381069#comment-14381069
]
Hadoop QA commented on HBASE-13316:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12707340/PlannedFailover-v1.patch
against master branch at commit 134b95579c0d02d54f477e437f03ca1a825256f4.
ATTACHMENT ID: 12707340
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 7 new
or modified tests.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.1 2.5.2 2.6.0)
{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:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:red}-1 checkstyle{color}. The applied patch generated
1930 checkstyle errors (more than the master's current 1929 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.util.TestProcessBasedCluster
org.apache.hadoop.hbase.mapreduce.TestImportExport
{color:red}-1 core zombie tests{color}. There are 1 zombie test(s):
at
org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogsDuringFailover.testFailoverFinalizesAndReadsInProgress(TestEditLogsDuringFailover.java:135)
at
org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogsDuringFailover.testFailoverFinalizesAndReadsInProgressWithPartialTxAtEnd(TestEditLogsDuringFailover.java:189)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/13431//console
This message is automatically generated.
> Reduce the downtime on planned moves of regions
> -----------------------------------------------
>
> Key: HBASE-13316
> URL: https://issues.apache.org/jira/browse/HBASE-13316
> Project: HBase
> Issue Type: Improvement
> Components: Balancer
> Affects Versions: 2.0.0, 1.0.1, 1.1.1
> Reporter: Sameet Agarwal
> Assignee: Sameet Agarwal
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: PlannedFailover-v1.patch, PlannedFailover.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> The current behavior of a region move shuts down a region and then starts is
> up in another regionserver. This causes increased latency and possibly
> timeouts till the new region's cache is fully warmed up. We can make a region
> move less disruptive by warming the cache in the destination region server
> before shutting dow the old region.
>
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