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Re: hadoop1.2.1 speedup model - MapReduce - [mail # dev]
...How many times did you run the experiment at each setting?  What is the standard deviation for each of these settings.  It could be that you are simply running into the error bound...
   Author: Robert Evans, 2013-09-09, 14:57
Re: mapred replication - HDFS - [mail # dev]
...Without the stack trace of the exceptions it is hard to tell.  The pruning is asynchronous, but so is a node crashing with a replica on it.  The client is supposed to detect this s...
   Author: Robert Evans, 2013-08-19, 14:10
Re: [DISCUSS] change bylaws to add "branch committers" - Hadoop - [mail # general]
...I like the idea too.  My only concern would be the load it would put on INFRA to support this, but I don't see hundreds of new committers showing up so I am +1 on it.   On 7/17/13 ...
   Author: Robert Evans, 2013-07-18, 16:31
Re: Apache Hadoop licensing question - Hadoop - [mail # user]
...I am not a lawyer so please do not take my comments in any way as legally binding. When releasing the code the general guideline I have received is to make sure that there is a header in all...
   Author: Robert Evans, 2013-07-09, 17:58
[expand - 5 more] - Re: [VOTE] Release Apache Hadoop 0.23.9 - MapReduce - [mail # dev]
...+1 downloaded the release.  Ran a couple of simple jobs and everything worked.  On 7/1/13 12:20 PM, "Thomas Graves"  wrote:  ...
   Author: Robert Evans, 2013-07-02, 18:50
Re: mapred.child.ulimit in MR2 - MapReduce - [mail # dev]
...Sandy,  I think it was something that was missed in the port to YARN and the dead code was cleaned up as part of HADOOP-8288.  If you have a use case for it or are worried about ba...
   Author: Robert Evans, 2013-06-19, 15:16
Re: InputFormat to regroup splits of underlying InputFormat to control number of map tasks - MapReduce - [mail # dev]
...This sounds similar to MultiFileInputFormat  http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/h adoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/jav...
   Author: Robert Evans, 2013-06-19, 15:01
Re: Visual debugging tools for hadoop - MapReduce - [mail # dev]
...Yes data flow visualizations definitely sound like something that would be good for Ambari.  If you are interested in debugging Hadoop jobs there is also the Hadoop Development Tools pr...
   Author: Robert Evans, 2013-06-18, 17:53
[expand - 2 more] - Re: [VOTE] Plan to create release candidate for 0.23.8 - MapReduce - [mail # dev]
...+1  On 5/17/13 4:10 PM, "Thomas Graves"  wrote:  ...
   Author: Robert Evans, 2013-05-20, 22:37
Re: [VOTE] - Release 2.0.5-beta - Hadoop - [mail # dev]
...-0 (Binding)  I have made my opinion known in the previous thread/vote, but I have spent enough time discussing this and need to get back to my day job. If the community is able to get ...
   Author: Robert Evans, 2013-05-16, 15:19
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