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[MAPREDUCE-4454] MR does not audit-log the job kill operations - MapReduce - [issue]
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...Currently the JobTracker/MR AM's AuditLogger logs only job successes and failures.We should also log other things such as KILL, etc. (All under the Operations enum) such that MR has a proper...
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http://issues.apache.org/jira/browse/MAPREDUCE-4454
Author: Harsh J,
2013-05-14, 05:26
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Re: Hadoop schedulers! - MapReduce - [mail # user]
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...Hi, On Sat, May 11, 2013 at 8:31 PM, Rahul Bhattacharjee wrote: I'd suggest reading design of both schedulers. The preemption feature is not the only difference - there is ...
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Author: Harsh J,
2013-05-13, 18:51
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Re: How to combine input files for a MapReduce job - MapReduce - [mail # user]
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...Yes I believe the branch-1 patch attached there should apply cleanly to 1.0.4. On Mon, May 13, 2013 at 1:25 PM, Agarwal, Nikhil wrote: Harsh J...
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Author: Harsh J,
2013-05-13, 07:58
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Re: How to combine input files for a MapReduce job - MapReduce - [mail # user]
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...Shashwat, Tweaking the split sizes affects a single input split, not how the splits are packed. It may be used with the CombineFileInputFormat to control packed split sizes, but would ...
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Author: Harsh J,
2013-05-13, 07:43
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Re: How to combine input files for a MapReduce job - MapReduce - [mail # user]
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...For "control number of mappers" question: You can use http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/lib/CombineFileInputFormat.html which is designed to solve similar ca...
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Author: Harsh J,
2013-05-13, 07:32
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Re: issues with decrease the default.block.size - MapReduce - [mail # user]
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...Thanks. I failed to add: It should be okay to do if those cases are true and the cluster seems under-utilized right now. On Fri, May 10, 2013 at 8:29 PM, yypvsxf19870706 wrote: &...
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Author: Harsh J,
2013-05-10, 15:24
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Re: issues with decrease the default.block.size - MapReduce - [mail # user]
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...Are you looking to decrease it to get more parallel map tasks out of the small files? Are you currently CPU bound on processing these small files? On Thu, May 9, 2013 at 9:12 PM, YouPe...
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Author: Harsh J,
2013-05-10, 05:27
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Re: When and who move the reduce output file part-0000X to the final output directory - MapReduce - [mail # user]
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...The task itself moves it when it receives a commitTask message. See the OutputCommitter class: http://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/OutputCommitter.html#commitT...
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Author: Harsh J,
2013-05-10, 05:26
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Re: Hadoop Maven Build Fails - MapReduce - [mail # user]
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...If you're also interested in tracking the issue to make it work with 2.5+ protobuf versions, please follow https://issues.apache.org/jira/browse/HADOOP-9346. On Thu, May 9, 2013 at 2:0...
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Author: Harsh J,
2013-05-09, 06:02
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Re: Benefits of Hadoop Distributed Cache - MapReduce - [mail # user]
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...This has been discussed before, see http://search-hadoop.com/m/xI5AHMD0Vm1 for the previous discussion on this. On Wed, May 8, 2013 at 12:54 AM, Saeed Shahrivari wrote: &n...
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Author: Harsh J,
2013-05-09, 03:42
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