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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15327) Canary will always invoke admin.balancer() in each sniffing period when writeSniffing is enabled
Date Sat, 27 Feb 2016 12:17:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15170568#comment-15170568
] 

Hadoop QA commented on HBASE-15327:
-----------------------------------

| (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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red}
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} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 43s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s {color} |
{color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 23s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 22s {color}
| {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 53s {color} | {color:red}
hbase-server in trunk has 84 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 37s {color} |
{color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 34s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 46s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 37s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 35s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 14s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 16s {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} 22m 30s {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 3s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 97m 55s {color} | {color:green}
hbase-server in the patch passed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 92m 11s {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 19s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 247m 33s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.7.0_95 Failed junit tests | hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleWAL
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| JDK v1.7.0_95 Timed out junit tests | org.apache.hadoop.hbase.regionserver.TestHRegion |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-02-27 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12789929/HBASE-15327-trunk.patch
|
| JIRA Issue | HBASE-15327 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux e9eaeb6e6e84 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 | trunk / dc57996 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/747/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/747/artifact/patchprocess/patch-unit-hbase-server-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/747/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/747/testReport/
|
| modules | C: hbase-server U: hbase-server |
| Max memory used | 392MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/747/console |


This message was automatically generated.



> Canary will always invoke admin.balancer() in each sniffing period when writeSniffing
is enabled
> ------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-15327
>                 URL: https://issues.apache.org/jira/browse/HBASE-15327
>             Project: HBase
>          Issue Type: Bug
>          Components: canary
>    Affects Versions: 2.0.0
>            Reporter: Jianwei Cui
>            Priority: Minor
>         Attachments: HBASE-15327-trunk.patch
>
>
> When Canary#writeSniffing is enabled, Canary#checkWriteTableDistribution will make sure
the regions of write table distributed on all region servers as:
> {code}
>       int numberOfServers = admin.getClusterStatus().getServers().size();
>       ......
>       int numberOfCoveredServers = serverSet.size();
>       if (numberOfCoveredServers < numberOfServers) {
>         admin.balancer();
>       }
> {code}
> The master will also work as a regionserver, so that ClusterStatus#getServers will contain
the master. On the other hand, write table of Canary will not be assigned to master, making
numberOfCoveredServers always smaller than numberOfServers and admin.balancer always be invoked
in each sniffing period. This may cause frequent region moves. A simple fix is excluding master
from numberOfServers.



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