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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8219) setStoragePolicy with folder behavior is different after cluster restart
Date Tue, 05 May 2015 08:28:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14528116#comment-14528116
] 

Hadoop QA commented on HDFS-8219:
---------------------------------

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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 26s | 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 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 27s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 34s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   2m 18s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 33s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m  2s | 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:green}+1{color} | hdfs tests | 168m 49s | Tests passed in hadoop-hdfs. |
| | | 211m 22s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12730165/HDFS-8219.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 338e88a |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10805/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10805/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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/10805/console |


This message was automatically generated.

> setStoragePolicy with folder behavior is different after cluster restart
> ------------------------------------------------------------------------
>
>                 Key: HDFS-8219
>                 URL: https://issues.apache.org/jira/browse/HDFS-8219
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Peter Shi
>            Assignee: surendra singh lilhore
>         Attachments: HDFS-8219.patch, HDFS-8219.unittest-norepro.patch
>
>
> Reproduce steps.
> 1) mkdir named /temp
> 2) put one file A under /temp
> 3) change /temp storage policy to COLD
> 4) use -getStoragePolicy to query file A's storage policy, it is same with /temp
> 5) change /temp folder storage policy again, will see file A's storage policy keep same
with parent folder.
> then restart the cluster.
> do 3) 4) again, will find file A's storage policy is not change while parent folder's
storage policy changes. It behaves different.
> As i debugged, found the code:
> in INodeFile.getStoragePolicyID
> {code}
>   public byte getStoragePolicyID() {
>     byte id = getLocalStoragePolicyID();
>     if (id == BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) {
>       return this.getParent() != null ?
>           this.getParent().getStoragePolicyID() : id;
>     }
>     return id;
>   }
> {code}
> If the file do not have its storage policy, it will use parent's. But after cluster restart,
the file turns to have its own storage policy.



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