hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
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 Sat, 20 Jun 2015 00:42:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14594206#comment-14594206
] 

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

\\
\\
| (/) *{color:green}+1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 57s | 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 33s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 42s | 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 16s | 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 32s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m 17s | 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 16s | Tests passed in hadoop-hdfs. |
| | | 208m 46s | |
\\
\\
|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12740677/HDFS-8626-04.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / b42f1ec |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11413/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11413/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/11413/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, HDFS-8626-02.patch, HDFS-8626-03.patch, HDFS-8626-04.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
> Stacktrace for block creation failure is:
> {code} IOException in BlockReceiver constructor. Cause is  | org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:264)
> java.io.IOException: No space left on device
> 	at java.io.UnixFileSystem.createFileExclusively(Native Method)
> 	at java.io.File.createNewFile(File.java:1012)
> 	at org.apache.hadoop.hdfs.server.datanode.DatanodeUtil.createTmpFile(DatanodeUtil.java:66)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.createRbwFile(BlockPoolSlice.java:274)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.createRbwFile(FsVolumeImpl.java:762)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.createRbw(FsDatasetImpl.java:1320)
> 	at org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:190)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:678)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:137)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:74)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:250)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message