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https://issues.apache.org/jira/browse/HBASE-13008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14317146#comment-14317146
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Hadoop QA commented on HBASE-13008:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12698188/HBASE-13008.patch
against master branch at commit 3dd220f8fdf6e34e11ffa309ff182172f6346091.
ATTACHMENT ID: 12698188
{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 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: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:red}-1 site{color}. The patch appears to cause mvn site goal to
fail.
{color:red}-1 core tests{color}. The patch failed these unit tests:
{color:red}-1 core zombie tests{color}. There are 2 zombie test(s):
at
org.apache.hadoop.hbase.TestChoreService.testCorePoolIncrease(TestChoreService.java:406)
at
org.apache.hadoop.hbase.ResourceCheckerJUnitListener.testFinished(ResourceCheckerJUnitListener.java:183)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/checkstyle-aggregate.html
Javadoc warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//artifact/patchprocess/patchJavadocWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/12785//console
This message is automatically generated.
> Better default for hbase.regionserver.regionSplitLimit parameter.
> -----------------------------------------------------------------
>
> Key: HBASE-13008
> URL: https://issues.apache.org/jira/browse/HBASE-13008
> Project: HBase
> Issue Type: Improvement
> Reporter: Srikanth Srungarapu
> Assignee: Srikanth Srungarapu
> Priority: Minor
> Attachments: HBASE-13008.patch, HBASE-13008_v2.patch
>
>
> Currently, the default value for hbase.regionserver.regionSplitLimit is
> 2147483647. Couple of customers ran into trouble, as they ended up with too
> many regions(~7k) running on their region servers. Would it be possible for
> us to come up with better default or at least some new guard rail, which can
> be used for logging warnings when the number of regions are going overboard?
> Ref:
> [1]
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplitThread.java#L101
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