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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10301) Blocks removed by thousands due to falsely detected zombie storages
Date Tue, 19 Apr 2016 08:53:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247390#comment-15247390
] 

Hadoop QA commented on HDFS-10301:
----------------------------------

| (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 11s {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 29s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s {color} |
{color:green} trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 41s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 23s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 50s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 51s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s {color} | {color:green}
trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 43s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 46s {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 v1.8.0_77 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 6m 15s {color} | {color:red}
hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77 with JDK v1.8.0_77 generated 1 new + 32 unchanged
- 1 fixed = 33 total (was 33) {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} compile {color} | {color:green} 0m 39s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 6m 54s {color} | {color:red}
hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95 with JDK v1.7.0_95 generated 1 new + 34 unchanged
- 1 fixed = 35 total (was 35) {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 39s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 49s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 11s {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:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 15s {color} | {color:red}
hadoop-hdfs-project/hadoop-hdfs generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0)
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 4s {color} | {color:green}
the patch passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 46s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 55m 36s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_77. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 52m 52s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 21s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 133m 26s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-project/hadoop-hdfs |
|  |  Synchronization performed on java.util.concurrent.ArrayBlockingQueue in org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.enqueue(List)
 At BlockManager.java:org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.enqueue(List)
 At BlockManager.java:[line 4495] |
| JDK v1.8.0_77 Failed junit tests | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.TestSafeMode |
|   | hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl |
| JDK v1.7.0_95 Failed junit tests | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | hadoop.hdfs.TestHFlush |
|   | hadoop.hdfs.server.namenode.ha.TestPendingCorruptDnMessages |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12799446/HDFS-10301.01.patch
|
| JIRA Issue | HDFS-10301 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 7a855cb48a3c 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 | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / be0bce1 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_77 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77: https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77.txt
|
| javac | hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95: https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/diff-compile-javac-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/new-findbugs-hadoop-hdfs-project_hadoop-hdfs.html
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_77.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15194/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/15194/testReport/
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/15194/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> Blocks removed by thousands due to falsely detected zombie storages
> -------------------------------------------------------------------
>
>                 Key: HDFS-10301
>                 URL: https://issues.apache.org/jira/browse/HDFS-10301
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.6.1
>            Reporter: Konstantin Shvachko
>            Assignee: Walter Su
>            Priority: Critical
>         Attachments: HDFS-10301.01.patch, zombieStorageLogs.rtf
>
>
> When NameNode is busy a DataNode can timeout sending a block report. Then it sends the
block report again. Then NameNode while process these two reports at the same time can interleave
processing storages from different reports. This screws up the blockReportId field, which
makes NameNode think that some storages are zombie. Replicas from zombie storages are immediately
removed, causing missing blocks.



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