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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15324) Jitter may cause desiredMaxFileSize overflow in ConstantSizeRegionSplitPolicy and trigger unexpected split
Date Thu, 25 Feb 2016 18:09:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15167553#comment-15167553
] 

Hadoop QA commented on HBASE-15324:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s {color} | {color:blue}
Docker mode activated. {color} |
| {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 57s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s {color} |
{color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s {color} |
{color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 16s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 26s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 0s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s {color} | {color:green}
master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 42s {color} |
{color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 54s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 55s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 55s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 48s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 48s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 5m 7s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 28s {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} hadoopcheck {color} | {color:green} 25m 37s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2
2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 6s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 15m 37s {color} | {color:red}
hbase-server in the patch failed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 16m 25s {color} | {color:red}
hbase-server in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 10s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 83m 37s {color} | {color:black}
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|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | hadoop.hbase.regionserver.TestMetricsRegion |
|   | hadoop.hbase.regionserver.TestMetricsRegionServer |
|   | hadoop.hbase.ipc.TestRpcMetrics |
| JDK v1.7.0_95 Failed junit tests | hadoop.hbase.regionserver.TestMetricsRegion |
|   | hadoop.hbase.regionserver.TestMetricsRegionServer |
|   | hadoop.hbase.ipc.TestRpcMetrics |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-02-25 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12789909/HBASE-15324_v3.patch
|
| JIRA Issue | HBASE-15324 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 6676f8e4aa3f 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/component/dev-support/hbase-personality.sh
|
| git revision | master / 43f99de |
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/696/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/696/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/696/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_72.txt
https://builds.apache.org/job/PreCommit-HBASE-Build/696/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/696/testReport/
|
| modules | C: hbase-server U: hbase-server |
| Max memory used | 188MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/696/console |


This message was automatically generated.



> Jitter may cause desiredMaxFileSize overflow in ConstantSizeRegionSplitPolicy and trigger
unexpected split
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-15324
>                 URL: https://issues.apache.org/jira/browse/HBASE-15324
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 1.1.3
>            Reporter: Yu Li
>            Assignee: Yu Li
>         Attachments: HBASE-15324.patch, HBASE-15324_v2.patch, HBASE-15324_v3.patch
>
>
> We introduce jitter for region split decision in HBASE-13412, but the following line
in {{ConstantSizeRegionSplitPolicy}} may cause long value overflow if MAX_FILESIZE is specified
to Long.MAX_VALUE:
> {code}
> this.desiredMaxFileSize += (long)(desiredMaxFileSize * (RANDOM.nextFloat() - 0.5D) *
jitter);
> {code}
> In our case we specify MAX_FILESIZE to Long.MAX_VALUE to prevent target region to split.



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