[
https://issues.apache.org/jira/browse/HBASE-13412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14481573#comment-14481573
]
Hadoop QA commented on HBASE-13412:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12723391/HBASE-13412.patch
against master branch at commit 057499474c346b28ad5ac3ab7da420814eba547d.
ATTACHMENT ID: 12723391
{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 (2.4.1 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 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 site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.regionserver.TestRegionSplitPolicy
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/13583//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/13583//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/13583//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/13583//console
This message is automatically generated.
> Region split decisions should have jitter
> -----------------------------------------
>
> Key: HBASE-13412
> URL: https://issues.apache.org/jira/browse/HBASE-13412
> Project: HBase
> Issue Type: New Feature
> Components: regionserver
> Affects Versions: 1.0.0, 2.0.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-13412.patch
>
>
> Whenever a region splits it causes lots of IO (compactions are queued for a
> while). Because of this it's important to make sure that well distributed
> tables don't have all of their regions split at exactly the same time.
> This is basically the same as our compaction jitter.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
