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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11164) Mover should avoid unnecessary retries if the block is pinned
Date Tue, 22 Nov 2016 20:14:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687766#comment-15687766
] 

Hadoop QA commented on HDFS-11164:
----------------------------------

| (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 19s{color} | {color:blue}
Docker mode activated. {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 3 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  8s{color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 33s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 37s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 36s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 42s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 26s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 26s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  6s{color} |
{color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  7s{color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 25s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 31s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  1m 31s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 31s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 34s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 43s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 28s{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} findbugs {color} | {color:green}  4m  1s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 10s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m  9s{color} | {color:green}
hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}123m 15s{color} | {color:red}
hadoop-hdfs in the patch failed. {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}155m 30s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.datanode.checker.TestThrottledAsyncChecker |
|   | hadoop.hdfs.TestBlocksScheduledCounter |
|   | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
|   | hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HDFS-11164 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12840063/HDFS-11164-01.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  cc  |
| uname | Linux abe1c66e33cd 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29 20:15:20 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / afcf8d3 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/17635/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/17635/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17635/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Mover should avoid unnecessary retries if the block is pinned
> -------------------------------------------------------------
>
>                 Key: HDFS-11164
>                 URL: https://issues.apache.org/jira/browse/HDFS-11164
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer & mover
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>         Attachments: HDFS-11164-00.patch, HDFS-11164-01.patch
>
>
> When mover is trying to move a pinned block to another datanode, it will internally hits
the following IOException and mark the block movement as {{failure}}. Since the Mover has
{{dfs.mover.retry.max.attempts}} configs, it will continue moving this block until it reaches
{{retryMaxAttempts}}. If the block movement failure(s) are only due to block pinning, then
retry is unnecessary. The idea of this jira is to avoid retry attempts of pinned blocks as
they won't be able to move to a different node. 
> {code}
> 2016-11-22 10:56:10,537 WARN org.apache.hadoop.hdfs.server.balancer.Dispatcher: Failed
to move blk_1073741825_1001 with size=52 from 127.0.0.1:19501:DISK to 127.0.0.1:19758:ARCHIVE
through 127.0.0.1:19501
> java.io.IOException: Got error, status=ERROR, status message opReplaceBlock BP-1772076264-10.252.146.200-1479792322960:blk_1073741825_1001
received exception java.io.IOException: Got error, status=ERROR, status message Not able to
copy block 1073741825 to /127.0.0.1:19826 because it's pinned , copy block BP-1772076264-10.252.146.200-1479792322960:blk_1073741825_1001
from /127.0.0.1:19501, reportedBlock move is failed
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtoUtil.checkBlockOpStatus(DataTransferProtoUtil.java:118)
> 	at org.apache.hadoop.hdfs.server.balancer.Dispatcher$PendingMove.receiveResponse(Dispatcher.java:417)
> 	at org.apache.hadoop.hdfs.server.balancer.Dispatcher$PendingMove.dispatch(Dispatcher.java:358)
> 	at org.apache.hadoop.hdfs.server.balancer.Dispatcher$PendingMove.access$5(Dispatcher.java:322)
> 	at org.apache.hadoop.hdfs.server.balancer.Dispatcher$1.run(Dispatcher.java:1075)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}



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