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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18375) The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them
Date Wed, 19 Jul 2017 14:37:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16093172#comment-16093172
] 

Hadoop QA commented on HBASE-18375:
-----------------------------------

| (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 18s{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}  4m 27s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 52s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 56s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 21s{color}
| {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m 21s{color} | {color:red}
hbase-server in master has 9 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 37s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  2s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 52s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 52s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 58s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 20s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 36m  3s{color}
| {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5
2.7.1 2.7.2 2.7.3 or 3.0.0-alpha4. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m  1s{color} | {color:red}
hbase-server generated 1 new + 9 unchanged - 0 fixed = 10 total (was 9) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 27s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}113m 36s{color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 18s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}167m 51s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hbase-server |
|  |  Increment of volatile field org.apache.hadoop.hbase.regionserver.CompactionPipeline.version
in org.apache.hadoop.hbase.regionserver.CompactionPipeline.replaceAtIndex(int, ImmutableSegment)
 At CompactionPipeline.java:in org.apache.hadoop.hbase.regionserver.CompactionPipeline.replaceAtIndex(int,
ImmutableSegment)  At CompactionPipeline.java:[line 284] |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:757bf37 |
| JIRA Issue | HBASE-18375 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12877972/HBASE-18375-V04.patch
|
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux 8400b69b060d 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 14:13:22 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
|
| git revision | master / f10f819 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC3 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7716/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/7716/artifact/patchprocess/new-findbugs-hbase-server.html
|
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/7716/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/7716/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> The pool chunks from ChunkCreator are deallocated while in pool because there is no reference
to them
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18375
>                 URL: https://issues.apache.org/jira/browse/HBASE-18375
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0-alpha-1
>            Reporter: Anastasia Braginsky
>            Priority: Critical
>             Fix For: 2.0.0, 3.0.0, 2.0.0-alpha-2
>
>         Attachments: HBASE-18375-V01.patch, HBASE-18375-V02.patch, HBASE-18375-V03.patch,
HBASE-18375-V04.patch
>
>
> Because MSLAB list of chunks was changed to list of chunk IDs, the chunks returned back
to pool can be deallocated by JVM because there is no reference to them. The solution is to
protect pool chunks from GC by the strong map of ChunkCreator introduced by HBASE-18010. Will
prepare the patch today.



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