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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15221) HTableMultiplexer improvements (stale region locations and resource leaks)
Date Sat, 06 Feb 2016 03:40:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15135541#comment-15135541
] 

Hadoop QA commented on HBASE-15221:
-----------------------------------

| (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 56s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 14s {color} |
{color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s {color} |
{color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 59s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 11s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 56s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s {color} |
{color:green} master passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 18s {color} |
{color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 19s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 13s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 13s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 17s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 56s {color} | {color:red}
Patch generated 1 new checkstyle issues in hbase-client (total was 6, now 7). {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 10s {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} 22m 24s {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} 1m 7s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 16s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 20s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 47s {color} | {color:green}
hbase-client in the patch passed with JDK v1.8.0_72. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 56s {color} | {color:green}
hbase-client in the patch passed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 8s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 48m 27s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-02-06 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12786627/HBASE-15221.001.patch
|
| JIRA Issue | HBASE-15221 |
| Optional Tests |  asflicense  javac  javadoc  unit  xml  compile  findbugs  hadoopcheck
 hbaseanti  checkstyle  |
| uname | Linux 5a61061e9639 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 / 7239056 |
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HBASE-Build/453/artifact/patchprocess/diff-checkstyle-hbase-client.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/453/testReport/
|
| modules | C: hbase-client U: hbase-client |
| Max memory used | 172MB |
| Powered by | Apache Yetus 0.1.0   http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/453/console |


This message was automatically generated.



> HTableMultiplexer improvements (stale region locations and resource leaks)
> --------------------------------------------------------------------------
>
>                 Key: HBASE-15221
>                 URL: https://issues.apache.org/jira/browse/HBASE-15221
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>             Fix For: 2.0.0, 1.2.1, 1.1.4, 0.98.18
>
>         Attachments: HBASE-15221.001.patch
>
>
> It looks like HTableMultiplexer has a couple of issues.
> Upon failing to send a Put to the appropriate RS, the Put is re-queued back into the
system. Normally this is fine as such an exception is transient and the Put would eventually
succeed. However, in the case where the Put was rejected because of a NotServingRegionException
(e.g. split, balance, merge), the re-queuing of the Put will end up using the same cached
HRegionLocation. This means that the Put will just be repeatedly sent back to the same RS
over and over again, eventually being dropped on the floor. Need to invalidate the location
cache (or make sure we refresh it) when we re-queue the Put.
> The internal ClusterConnection is also leaked. If a user creates many HTableMultiplexers,
they'll eventually run into issues (memory, zk connections, etc) because they'll never get
cleaned up. HTableMultiplexer needs a close method.



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