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[MAPREDUCE-5405] Job recovery can fail if task log directory symlink from prior run still exists - MapReduce - [issue]
...During recovery, the task attempt log dir symlink from the prior run might still exist.  If it does, then the recovered attempt will fail while trying to create a symlink at that path....
http://issues.apache.org/jira/browse/MAPREDUCE-5405    Author: Chris Nauroth, 2013-07-22, 19:32
[MAPREDUCE-5391] TestNonLocalJobJarSubmission fails on Windows due to missing classpath entries - MapReduce - [issue]
...This test works by having the mapper check all classpath entries loaded by the classloader.  On Windows, the classpath is packed into an intermediate jar file with a manifest containing...
http://issues.apache.org/jira/browse/MAPREDUCE-5391    Author: Chris Nauroth, 2013-07-17, 23:15
Re: 【dfs.namenode.shared.edits.dir can support different NameServices】 - MapReduce - [mail # user]
...Hello Bing,  I have not tested this configuration myself, but from reading the code it does appear that dfs.namenode.shared.edits.dir supports appending the nameservice ID to the key, s...
   Author: Chris Nauroth, 2013-07-03, 18:02
Re: DFS Permissions on Hadoop 2.x - MapReduce - [mail # user]
...Prashant, can you provide more details about what you're doing when you see this error?  Are you submitting a MapReduce job, running an HDFS shell command, or doing some other action? &...
   Author: Chris Nauroth, 2013-06-18, 20:28
Re: Visual debugging tools for hadoop - MapReduce - [mail # dev]
...Hi Saikat,  You might want to investigate contributing on Apache Ambari, which has features for visualization of jobs and end-to-end flows consisting of multiple dependent jobs.  h...
   Author: Chris Nauroth, 2013-06-14, 17:40
Re: SSD support in HDFS - MapReduce - [mail # user]
...Hi Lucas,  HDFS does not have this capability right now, but there has been some preliminary discussion around adding features to support it.  You might want to follow jira issues ...
   Author: Chris Nauroth, 2013-06-11, 20:31
[MAPREDUCE-4987] TestMRJobs#testDistributedCache fails on Windows due to classpath problems and unexpected behavior of symlinks - MapReduce - [issue]
...On Windows, TestMRJobs#testDistributedCache fails on an assertion while checking the length of a symlink.  It expects to see the length of the target of the symlink, but Java 6 on Windo...
http://issues.apache.org/jira/browse/MAPREDUCE-4987    Author: Chris Nauroth, 2013-05-24, 23:51
[MAPREDUCE-5078] TestMRAppMaster fails on Windows due to mismatched path separators - MapReduce - [issue]
...The failing test is TestMRAppMaster#testMRAppMasterForDifferentUser.  There is an assertion about the AM staging directory, but the expected value is constructed with a mix of forward a...
http://issues.apache.org/jira/browse/MAPREDUCE-5078    Author: Chris Nauroth, 2013-05-24, 23:43
Re: Get Hadoop update - MapReduce - [mail # user]
...Hi Vimal,  Full information on how to subscribe and unsubscribe from the various lists is here:  http://hadoop.apache.org/mailing_lists.html  Chris Nauroth Hortonworks http://...
   Author: Chris Nauroth, 2013-05-22, 17:14
Re: Auto created 'target' folder? - MapReduce - [mail # user]
...Can you provide additional information about the exact commands that you are trying to run?  "target/test-dir" is something that gets created during the Hadoop codebase's Maven build pr...
   Author: Chris Nauroth, 2013-05-22, 17:12
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