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https://issues.apache.org/jira/browse/HBASE-12890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14635722#comment-14635722
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Hadoop QA commented on HBASE-12890:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12693449/HBASE-12890.patch
against master branch at commit 5ec5552be0534dbf4b07ef6607741ae6f9ab0495.
ATTACHMENT ID: 12693449
{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:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle 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 post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.mapreduce.TestImportExport
org.apache.hadoop.hbase.util.TestProcessBasedCluster
{color:red}-1 core zombie tests{color}. There are 1 zombie test(s):
at
org.apache.sentry.tests.e2e.hive.TestPrivilegesAtTableScope.testTableViewJoin4(TestPrivilegesAtTableScope.java:401)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/14853//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14853//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/14853//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/14853//console
This message is automatically generated.
> Provide a way to throttle the number of regions moved by the balancer
> ---------------------------------------------------------------------
>
> Key: HBASE-12890
> URL: https://issues.apache.org/jira/browse/HBASE-12890
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.98.10
> Reporter: churro morales
> Assignee: churro morales
> Fix For: 2.0.0, 0.98.14, 1.3.0
>
> Attachments: HBASE-12890.patch
>
>
> We have a very large cluster and we frequently add remove quite a few
> regionservers from our cluster. Whenever we do this the balancer moves
> thousands of regions at once. Instead we provide a configuration parameter:
> hbase.balancer.max.regions. This limits the number of regions that are
> balanced per iteration.
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