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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8269) getBlockLocations() does not resolve the .reserved path and generates incorrect edit logs when updating the atime
Date Tue, 28 Apr 2015 05:17:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516391#comment-14516391
] 

Hadoop QA commented on HDFS-8269:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m  7s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 2 new
or modified test files. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | javac |   7m 39s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 35s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   5m 35s | The applied patch generated  1  additional
checkstyle issues. |
| {color:green}+1{color} | install |   1m 39s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m  5s | The patch does not introduce any new Findbugs
(version 2.0.3) warnings. |
| {color:green}+1{color} | native |   3m 14s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 188m 53s | Tests failed in hadoop-hdfs. |
| | | 236m  5s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.hdfs.TestReservedRawPaths |
|   | hadoop.hdfs.server.namenode.ha.TestPipelinesFailover |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestFileTruncate |
|   | hadoop.hdfs.server.namenode.TestFsck |
|   | hadoop.hdfs.TestEncryptionZonesWithKMS |
| Timed out tests | org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12728673/HDFS-8269.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / feb68cb |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/10421/artifact/patchprocess/checkstyle-result-diff.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10421/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10421/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf908.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 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10421/console |


This message was automatically generated.

> getBlockLocations() does not resolve the .reserved path and generates incorrect edit
logs when updating the atime
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8269
>                 URL: https://issues.apache.org/jira/browse/HDFS-8269
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yesha Vora
>            Assignee: Haohui Mai
>            Priority: Blocker
>         Attachments: HDFS-8269.000.patch, HDFS-8269.001.patch
>
>
> When {{FSNamesystem#getBlockLocations}} updates the access time of the INode, it uses
the path passed from the client, which generates incorrect edit logs entries:
> {noformat}
>   <RECORD>
>     <OPCODE>OP_TIMES</OPCODE>
>     <DATA>
>       <TXID>5085</TXID>
>       <LENGTH>0</LENGTH>
>       <PATH>/.reserved/.inodes/18230</PATH>
>       <MTIME>-1</MTIME>
>       <ATIME>1429908236392</ATIME>
>     </DATA>
>   </RECORD>
> {noformat}
> Note that the NN does not resolve the {{/.reserved}} path when processing the edit log,
therefore it eventually leads to a NPE when loading the edit logs.



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