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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15101) Leaked References to StoreFile.Reader after HBASE-13082
Date Sat, 16 Jan 2016 02:20:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102926#comment-15102926
] 

Hadoop QA commented on HBASE-15101:
-----------------------------------

| (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: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} 2m 34s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 46s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 42s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color}
| {color:green} master passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 6s {color} | {color:red}
hbase-server in master has 81 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s {color} |
{color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 50s {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 v1.8.0 {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} compile {color} | {color:green} 0m 38s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 38s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m 52s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {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} 23m 8s {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 11s {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 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s {color} |
{color:green} the patch passed with JDK v1.7.0_79 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 95m 53s {color} | {color:red}
hbase-server in the patch failed with JDK v1.8.0. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 89m 29s {color} | {color:green}
hbase-server in the patch passed with JDK v1.7.0_79. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 13s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 231m 55s {color} | {color:black}
{color} |
\\
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|| Reason || Tests ||
| JDK v1.8.0 Failed junit tests | hadoop.hbase.security.token.TestZKSecretWatcher |
| JDK v1.8.0 Timed out junit tests | org.apache.hadoop.hbase.client.replication.TestReplicationAdminWithClusters
|
\\
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12782620/HBASE-15101-v3.patch
|
| JIRA Issue | HBASE-15101 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux asf903.gq1.ygridcore.net 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 / 76bce77 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/149/artifact/patchprocess/branch-findbugs-hbase-server-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HBASE-Build/149/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HBASE-Build/149/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0.txt
|
| JDK v1.7.0_79  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/149/testReport/
|
| modules | C: hbase-server U: hbase-server |
| Max memory used | 195MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/149/console |


This message was automatically generated.



> Leaked References to StoreFile.Reader after HBASE-13082
> -------------------------------------------------------
>
>                 Key: HBASE-15101
>                 URL: https://issues.apache.org/jira/browse/HBASE-15101
>             Project: HBase
>          Issue Type: Bug
>          Components: HFile, io
>    Affects Versions: 2.0.0
>            Reporter: deepankar
>            Assignee: deepankar
>         Attachments: HBASE-15101-v1.patch, HBASE-15101-v2.patch, HBASE-15101-v3.patch,
HBASE-15101.patch
>
>
> We observed this production that after a region server dies there are huge number of
hfiles in that region for the region server running the version with HBASE-13082, In the doc
it is given that it is expected to happen, but we found a one place where scanners are not
being closed. If the scanners are not closed their references are not decremented and that
is leading to the issue of huge number of store files not being finalized
> All I was able to find is in the selectScannersFrom, where we discard some of the scanners
and we are not closing them. I am attaching a patch for that.
> Also to avoid these issues should the files that are done be logged and finalized (moved
to archive) as a part of region close operation. This will solve any leaks that can happen
and does not cause any dire consequences?



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