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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15429) Add a split policy for busy regions
Date Wed, 18 May 2016 02:13:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15288092#comment-15288092
] 

Hadoop QA commented on HBASE-15429:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s {color} |
{color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green}
The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 1 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 29s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 51s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 2s {color} | {color:green}
master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 24s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 26s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 47s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 34s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 57s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 30s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 11s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 42s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 5s {color} | {color:green}
the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 5s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 28s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 28s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 25s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 46s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 1s {color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 11m 34s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.4.1 2.5.2 2.6.0. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 50s {color} | {color:red}
hbase-server generated 4 new + 0 unchanged - 0 fixed = 4 total (was 0) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 4m 25s {color} | {color:red}
hbase-client-jdk1.8.0 with JDK v1.8.0 generated 14 new + 13 unchanged - 0 fixed = 27 total
(was 13) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 35s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 5m 55s {color} | {color:red}
hbase-client-jdk1.7.0_79 with JDK v1.7.0_79 generated 14 new + 13 unchanged - 0 fixed = 27
total (was 13) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 30s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 10s {color} | {color:green}
hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 10s {color} | {color:green}
hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 144m 49s {color} | {color:red}
hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 2m 40s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 198m 4s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Inconsistent synchronization of org.apache.hadoop.hbase.regionserver.BusyRegionSplitPolicy.aggregationWindow;
locked 60% of time  Unsynchronized access at BusyRegionSplitPolicy.java:60% of time  Unsynchronized
access at BusyRegionSplitPolicy.java:[line 77] |
|  |  Inconsistent synchronization of org.apache.hadoop.hbase.regionserver.BusyRegionSplitPolicy.blockedRequestCount;
locked 66% of time  Unsynchronized access at BusyRegionSplitPolicy.java:66% of time  Unsynchronized
access at BusyRegionSplitPolicy.java:[line 75] |
|  |  Inconsistent synchronization of org.apache.hadoop.hbase.regionserver.BusyRegionSplitPolicy.prevTime;
locked 75% of time  Unsynchronized access at BusyRegionSplitPolicy.java:75% of time  Unsynchronized
access at BusyRegionSplitPolicy.java:[line 74] |
|  |  Inconsistent synchronization of org.apache.hadoop.hbase.regionserver.BusyRegionSplitPolicy.writeRequestCount;
locked 66% of time  Unsynchronized access at BusyRegionSplitPolicy.java:66% of time  Unsynchronized
access at BusyRegionSplitPolicy.java:[line 76] |
| Failed junit tests | hadoop.hbase.regionserver.TestScannerHeartbeatMessages |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12802552/HBASE-15429.patch
|
| JIRA Issue | HBASE-15429 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  xml  |
| uname | Linux proserpina.apache.org 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/test_framework/yetus-0.2.1/lib/precommit/personality/hbase.sh
|
| git revision | master / 98fa263 |
| Default Java | 1.7.0_79 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 /usr/local/jenkins/java/jdk1.7.0_79:1.7.0_79
|
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/1930/artifact/patchprocess/new-findbugs-hbase-server.html
|
| javadoc | hbase-client-jdk1.8.0: https://builds.apache.org/job/PreCommit-HBASE-Build/1930/artifact/patchprocess/diff-javadoc-javadoc-hbase-client-jdk1.8.0.txt
|
| javadoc | hbase-client-jdk1.7.0_79: https://builds.apache.org/job/PreCommit-HBASE-Build/1930/artifact/patchprocess/diff-javadoc-javadoc-hbase-client-jdk1.7.0_79.txt
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/1930/artifact/patchprocess/patch-unit-hbase-server.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/1930/artifact/patchprocess/patch-unit-hbase-server.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/1930/testReport/ |
| modules | C: hbase-common hbase-client hbase-server U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/1930/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> Add a split policy for busy regions
> -----------------------------------
>
>                 Key: HBASE-15429
>                 URL: https://issues.apache.org/jira/browse/HBASE-15429
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Ashu Pachauri
>            Assignee: Ashu Pachauri
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15429.patch
>
>
> Currently, all region split policies are based on size. However, in certain cases, it
is a wise choice to make a split decision based on number of requests to the region and split
busy regions.
> A crude metric is that if a region blocks writes often and throws RegionTooBusyExceoption,
it's probably a good idea to split it.



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