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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17287) Master becomes a zombie if filesystem object closes
Date Thu, 23 Mar 2017 20:13:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939153#comment-15939153
] 

Hadoop QA commented on HBASE-17287:
-----------------------------------

| (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 17s {color} | {color:blue}
Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue} 0m 4s {color} | {color:blue}
The patch file was not named according to hbase's naming conventions. Please see https://yetus.apache.org/documentation/0.3.0/precommit-patchnames
for instructions. {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} 6m 9s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 46s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 20s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 35s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 38s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 41s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {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} 25m 48s {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-alpha2. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 43s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 102m 35s {color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 21s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 143m 30s {color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.13.1 Server=1.13.1 Image:yetus/hbase:8d52d23 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12860192/17287.master.v2.txt
|
| JIRA Issue | HBASE-17287 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux ba94894d1a06 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016
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 / f1c1f25 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/6207/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/6207/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Master becomes a zombie if filesystem object closes
> ---------------------------------------------------
>
>                 Key: HBASE-17287
>                 URL: https://issues.apache.org/jira/browse/HBASE-17287
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: Clay B.
>            Assignee: Ted Yu
>         Attachments: 17287.master.v2.txt, 17287.v2.txt
>
>
> We have seen an issue whereby if the HDFS is unstable and the HBase master's HDFS client
is unable to stabilize before {{dfs.client.failover.max.attempts}} then the master's filesystem
object closes. This seems to result in an HBase master which will continue to run (process
and znode exists) but no meaningful work can be done (e.g. assigning meta).What we saw in
our HBase master logs was:{code}2016-12-01 19:19:08,192 ERROR org.apache.hadoop.hbase.master.handler.MetaServerShutdownHandler:
Caught M_META_SERVER_SHUTDOWN, count=1java.io.IOException: failed log splitting for cluster-r5n12.bloomberg.com,60200,1480632863218,
will retryat org.apache.hadoop.hbase.master.handler.MetaServerShutdownHandler.process(MetaServerShutdownHandler.java:84)at
org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)at java.lang.Thread.run(Thread.java:745)Caused
by: java.io.IOException: Filesystem closed{code}



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