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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-99) Jobs fail during resource localization when private distributed-cache hits unix directory limits
Date Tue, 09 Apr 2013 13:22:30 GMT

    [ https://issues.apache.org/jira/browse/YARN-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626584#comment-13626584
] 

Hudson commented on YARN-99:
----------------------------

Integrated in Hadoop-Mapreduce-trunk #1394 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1394/])
    YARN-99. Modify private distributed cache to localize files such that no local directory
hits unix file count limits and thus prevent job failures. Contributed by Omkar Vinit Joshi.
(Revision 1465853)

     Result = FAILURE
vinodkv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1465853
Files : 
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/ResourceLocalizationSpec.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/impl/pb/ResourceLocalizationSpecPBImpl.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/LocalizerHeartbeatResponse.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/impl/pb/LocalizerHeartbeatResponsePBImpl.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ContainerLocalizer.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/LocalCacheDirectoryManager.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/util/NodeManagerBuilderUtils.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/proto/yarn_server_nodemanager_service_protos.proto
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/impl/pb/TestPBRecordImpl.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/MockLocalizerHeartbeatResponse.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestContainerLocalizer.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestResourceLocalizationService.java

                
> Jobs fail during resource localization when private distributed-cache hits unix directory
limits
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-99
>                 URL: https://issues.apache.org/jira/browse/YARN-99
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 3.0.0, 2.0.0-alpha
>            Reporter: Devaraj K
>            Assignee: Omkar Vinit Joshi
>             Fix For: 2.0.5-beta
>
>         Attachments: yarn-99-20130324.patch, yarn-99-20130403.1.patch, yarn-99-20130403.patch,
yarn-99-20130408.1.patch, yarn-99-20130408.patch
>
>
> If we have multiple jobs which uses distributed cache with small size of files, the directory
limit reaches before reaching the cache size and fails to create any directories in file cache.
The jobs start failing with the below exception.
> {code:xml}
> java.io.IOException: mkdir of /tmp/nm-local-dir/usercache/root/filecache/1701886847734194975
failed
> 	at org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:909)
> 	at org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:143)
> 	at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:189)
> 	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:706)
> 	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:703)
> 	at org.apache.hadoop.fs.FileContext$FSLinkResolver.resolve(FileContext.java:2325)
> 	at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:703)
> 	at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:147)
> 	at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:49)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)
> {code}
> We should have a mechanism to clean the cache files if it crosses specified number of
directories like cache size.

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