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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8626) Reserved RBW space is not released if creation of RBW File fails
Date Thu, 18 Jun 2015 18:35:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592275#comment-14592275
] 

Hadoop QA commented on HDFS-8626:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 48s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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:green}+1{color} | javac |   7m 31s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 38s | 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:green}+1{color} | checkstyle |   2m 11s | 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 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m 15s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 14s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 162m 30s | Tests passed in hadoop-hdfs. |
| | | 208m 41s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12740370/HDFS-8626-01.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 2ad6687 |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11403/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11403/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf900.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/11403/console |


This message was automatically generated.

> Reserved RBW space is not released if creation of RBW File fails
> ----------------------------------------------------------------
>
>                 Key: HDFS-8626
>                 URL: https://issues.apache.org/jira/browse/HDFS-8626
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: kanaka kumar avvaru
>            Assignee: kanaka kumar avvaru
>            Priority: Blocker
>         Attachments: HDFS-8626-01.patch
>
>
> The DataNode reserves disk space for a full block when creating an RBW block and will
release the space when the block is finalized (introduced in HDFS-6898) 
> But if the RBW file creation fails, the reserved space is not released back. 
> In a scenario, when the data node disk is full it causes no space left {{IOException}}.
Eventually even if the disk got cleaned,  the reserved space is not release until the  Data
Node is restarted



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