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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2566) IOException happen in startLocalizer of DefaultContainerExecutor due to not enough disk space for the first localDir.
Date Mon, 29 Sep 2014 21:55:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-2566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152360#comment-14152360
] 

Karthik Kambatla commented on YARN-2566:
----------------------------------------

We should probably have the same mechanism of picking directories in both the default and
linux container-executors. It appears LCE picks these at random. Can we do the same here?
I understand picking directories at random might result in a skew due to not-so-random randomness
or different applications localizing different sizes of data. 

May be, in the future, we could pick the directory with most available space? 

> IOException happen in startLocalizer of DefaultContainerExecutor due to not enough disk
space for the first localDir.
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2566
>                 URL: https://issues.apache.org/jira/browse/YARN-2566
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.5.0
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>         Attachments: YARN-2566.000.patch, YARN-2566.001.patch
>
>
> startLocalizer in DefaultContainerExecutor will only use the first localDir to copy the
token file, if the copy is failed for first localDir due to not enough disk space in the first
localDir, the localization will be failed even there are plenty of disk space in other localDirs.
We see the following error for this case:
> {code}
> 2014-09-13 23:33:25,171 WARN org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
Unable to create app directory /hadoop/d1/usercache/cloudera/appcache/application_1410663092546_0004
> java.io.IOException: mkdir of /hadoop/d1/usercache/cloudera/appcache/application_1410663092546_0004
failed
> 	at org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:1062)
> 	at org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:157)
> 	at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:189)
> 	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:721)
> 	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:717)
> 	at org.apache.hadoop.fs.FSLinkResolver.resolve(FSLinkResolver.java:90)
> 	at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:717)
> 	at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.createDir(DefaultContainerExecutor.java:426)
> 	at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.createAppDirs(DefaultContainerExecutor.java:522)
> 	at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.startLocalizer(DefaultContainerExecutor.java:94)
> 	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:987)
> 2014-09-13 23:33:25,185 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService:
Localizer failed
> java.io.FileNotFoundException: File file:/hadoop/d1/usercache/cloudera/appcache/application_1410663092546_0004
does not exist
> 	at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:511)
> 	at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:724)
> 	at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:501)
> 	at org.apache.hadoop.fs.DelegateToFileSystem.getFileStatus(DelegateToFileSystem.java:111)
> 	at org.apache.hadoop.fs.DelegateToFileSystem.createInternal(DelegateToFileSystem.java:76)
> 	at org.apache.hadoop.fs.ChecksumFs$ChecksumFSOutputSummer.<init>(ChecksumFs.java:344)
> 	at org.apache.hadoop.fs.ChecksumFs.createInternal(ChecksumFs.java:390)
> 	at org.apache.hadoop.fs.AbstractFileSystem.create(AbstractFileSystem.java:577)
> 	at org.apache.hadoop.fs.FileContext$3.next(FileContext.java:677)
> 	at org.apache.hadoop.fs.FileContext$3.next(FileContext.java:673)
> 	at org.apache.hadoop.fs.FSLinkResolver.resolve(FSLinkResolver.java:90)
> 	at org.apache.hadoop.fs.FileContext.create(FileContext.java:673)
> 	at org.apache.hadoop.fs.FileContext$Util.copy(FileContext.java:2021)
> 	at org.apache.hadoop.fs.FileContext$Util.copy(FileContext.java:1963)
> 	at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.startLocalizer(DefaultContainerExecutor.java:102)
> 	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:987)
> 2014-09-13 23:33:25,186 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
Container container_1410663092546_0004_01_000001 transitioned from LOCALIZING to LOCALIZATION_FAILED
> 2014-09-13 23:33:25,187 WARN org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger:
USER=cloudera	OPERATION=Container Finished - Failed	TARGET=ContainerImpl	RESULT=FAILURE	DESCRIPTION=Container
failed with state: LOCALIZATION_FAILED	APPID=application_1410663092546_0004	CONTAINERID=container_1410663092546_0004_01_000001
> 2014-09-13 23:33:25,187 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
Container container_1410663092546_0004_01_000001 transitioned from LOCALIZATION_FAILED to
DONE
> 2014-09-13 23:33:25,187 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application:
Removing container_1410663092546_0004_01_000001 from application application_1410663092546_0004
> 2014-09-13 23:33:25,187 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl:
Considering container container_1410663092546_0004_01_000001 for log-aggregation
> 2014-09-13 23:33:25,187 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
Got event CONTAINER_STOP for appId application_1410663092546_0004
> 2014-09-13 23:33:25,187 INFO org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
Deleting absolute path : /hadoop/d1/usercache/cloudera/appcache/application_1410663092546_0004/container_1410663092546_0004_01_000001
> 2014-09-13 23:33:25,187 WARN org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
delete returned false for path: [/hadoop/d1/usercache/cloudera/appcache/application_1410663092546_0004/container_1410663092546_0004_01_000001]
> 2014-09-13 23:33:25,188 INFO org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
Deleting absolute path : /hadoop/d2/usercache/cloudera/appcache/application_1410663092546_0004/container_1410663092546_0004_01_000001
> 2014-09-13 23:33:25,188 WARN org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
delete returned false for path: [/hadoop/d2/usercache/cloudera/appcache/application_1410663092546_0004/container_1410663092546_0004_01_000001]
> 2014-09-13 23:33:25,291 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl:
Stopping resource-monitoring for container_1410663092546_0004_01_000001
> 2014-09-13 23:33:26,159 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl:
Removed completed container container_1410663092546_0004_01_000001
> {code}
> The correct way to do is If the IOException happened during the copy, try the next the
localDir, If all the localDirs are failed to copy, then throw a exception. 
> I will create a patch to fix this issue.



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