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https://issues.apache.org/jira/browse/YARN-467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611321#comment-13611321
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Hadoop QA commented on YARN-467:
--------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12575112/yarn-467-20130322.3.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 tests included appear to have a timeout.{color}
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 4
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:red}-1 findbugs{color}. The patch appears to introduce 2 new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/580//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-YARN-Build/580//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-server-nodemanager.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/580//console
This message is automatically generated.
> Jobs fail during resource localization when directories in file cache reaches
> to unix directory limit for public cache
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-467
> URL: https://issues.apache.org/jira/browse/YARN-467
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 3.0.0, 2.0.0-alpha
> Reporter: omkar vinit joshi
> Assignee: omkar vinit joshi
> Attachments: yarn-467-20130322.1.patch, yarn-467-20130322.2.patch,
> yarn-467-20130322.3.patch, yarn-467-20130322.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 (PUBLIC). The jobs start failing with
> the below exception.
> java.io.IOException: mkdir of /tmp/nm-local-dir/filecache/3901886847734194975
> 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)
> we need to have a mechanism where in we can create directory hierarchy and
> limit number of files per directory.
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