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Re: file distribution - MapReduce - [mail # user]
...If the disk truly fills up HDFS should send that data to a different node,  just like if you are writing to HDFS from a node that is not a compute node .  However there are lots of...
   Author: Robert Evans, 2012-01-10, 15:04
Re: Status of the completed containers (0.23) - MapReduce - [mail # dev]
...Praveen,  Looking at the code, it does not appear to currently be used outside of tes ting.  I really don't know.  Perhaps in the future if it is extended then i t might be us...
   Author: Robert Evans, 2012-01-09, 16:24
[expand - 1 more] - Re: Yarn related questions: - MapReduce - [mail # user]
...Try looking at how the mapreduce code does it.  I think you have to put in  a fully qualified host name, but I don't remember for sure.   On 1/4/12 10:04 PM, "raghavendhra rah...
   Author: Robert Evans, 2012-01-05, 15:53
Re: Appmaster error - MapReduce - [mail # user]
...Pleas don't cross post.  Common is BCCed.  Each container has a vmem limit that is enforced, but not  in local mode.  If this is for the app master then you can increase ...
   Author: Robert Evans, 2012-01-05, 15:46
Re: Error using Streaming and old API - MapReduce - [mail # user]
...I believe that streaming still only uses the older mapred API and does not  support the API in the mapreduce java package.   On 1/4/12 11:07 AM, "Kadu canGica Eduardo"  wrote:...
   Author: Robert Evans, 2012-01-04, 17:44
Re: Map and Reduce process hang out at 0% - MapReduce - [mail # user]
...Should we file a JIRA so that the MapReduce AM blows up in a more obvious f ashion if Shuffle is not configured?   On 12/20/11 12:30 PM, "Vinod Kumar Vavilapalli"  w rote:   I...
   Author: Robert Evans, 2011-12-20, 19:29
Re: resource allocation in Yarn: - MapReduce - [mail # user]
...Ann,  Currently only memory is supported, like the documentation says.  There are  plans to add in more, but none are actually in the code, and as such I am  not sure if ...
   Author: Robert Evans, 2011-12-20, 19:28
Re: hadoop streaming job IOException - MapReduce - [mail # user]
...I cannot tell you the exact error, but it looks like your perl job crashed  some how.  This caused the java code that was writing to the perl stdin to  get a Broken pipe error...
   Author: Robert Evans, 2011-12-19, 16:23
[expand - 1 more] - Re: Reduce output is strange - MapReduce - [mail # dev]
...Oh I forgot to say that part of the Random Characters are actually random c haracters.  Sequence files store a set of random characters as synch points  within the file.  This...
   Author: Robert Evans, 2011-12-19, 14:43
Re: running shell commands inside mapper - MapReduce - [mail # user]
...Souri,  Yes and no.  Oozie does something like this, but not through the shell, and  you can look at how they are doing it.  I don't know the details, but you  will ...
   Author: Robert Evans, 2011-12-14, 21:08
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