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[MAPREDUCE-4438] Add client side for Unmanaged-AMs (MAPREDUCE-4427) - MapReduce - [issue]
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...MAPREDUCE-4427 added server side support for umanaged AM's. This tracks creating client side supporting pieces.The basic flow of the client is as follows1) accepts a cmd line for the AM. Opt...
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http://issues.apache.org/jira/browse/MAPREDUCE-4438
Author: Bikas Saha,
2012-08-21, 05:34
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RE: Multi-level aggregation with combining the result of maps per node/rack - MapReduce - [mail # dev]
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...Can you please share a brief note on the design. Just a few sentences on the main changes. What you are saying sounds similar to multi-level aggregation done in the Dryad ...
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Author: Bikas Saha,
2012-07-31, 17:32
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[MAPREDUCE-4472] Support secure AM launch for unmanaged AM's - MapReduce - [issue]
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...Currently unmanaged AM launch does not get security tokens because tokens are passed by the RM to the AM via the NM during AM container launch. For unmanaged AM's the RM can send tokens in t...
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http://issues.apache.org/jira/browse/MAPREDUCE-4472
Author: Bikas Saha,
2012-07-24, 06:23
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[MAPREDUCE-4369] Fix streaming job failures with WindowsResourceCalculatorPlugin - MapReduce - [issue]
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...Some streaming jobs use local mode job runs that do not start tasks trackers. In these cases, the jvm context is not setup and hence local mode execution causes the code to crash.Fix is to n...
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http://issues.apache.org/jira/browse/MAPREDUCE-4369
Author: Bikas Saha,
2012-07-05, 07:05
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Re: Hadoop 2.0 / YARN - getting full node report in application master - MapReduce - [mail # dev]
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...Here's the javadoc for getUpdatedNodes(). It says that the return value is the delta of the updated nodes since the last response. So the API gives one the difference between the updated nod...
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Author: Bikas Saha,
2012-06-28, 17:54
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Re: Hadoop 2.0 / YARN - getting full node report in application master - MapReduce - [mail # dev]
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...AMResponse.getUpdatedNodes() would give you only nodes that have been updated. Say they are lost or become healthy again. So you won't get total cluster information from that. On 6/22...
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Author: Bikas Saha,
2012-06-22, 22:29
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[MAPREDUCE-4203] Create equivalent of ProcfsBasedProcessTree for Windows - MapReduce - [issue]
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...ProcfsBasedProcessTree is used by the TaskTracker to get process information like memory and cpu usage. This information is used to manage resources etc. The current implementation is based ...
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http://issues.apache.org/jira/browse/MAPREDUCE-4203
Author: Bikas Saha,
2012-06-21, 01:35
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[MAPREDUCE-4260] Use JobObject to spawn tasks on Windows - MapReduce - [issue]
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...Currently, the Windows version spawns the task as a normal cmd shell from which other downstream exe's are spawned. However, this is not bullet proof because if an intermediate process exits...
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http://issues.apache.org/jira/browse/MAPREDUCE-4260
Author: Bikas Saha,
2012-06-16, 00:34
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Re: single node cluster - windows - MapReduce - [mail # dev]
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...Hi, If you build your own code then you can sync to branch-1-win on Hadoop and build it. Hadoop is being actively ported to run natively on Windows on that branch. You will need ...
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Author: Bikas Saha,
2012-06-15, 18:17
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[MAPREDUCE-4263] Use taskkill /T to terminate tasks on Windows - MapReduce - [issue]
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...On Linux setsid is used to link the processes spawned by the tasks into the same session. So termination of the task terminates the entire tree. We need to do the same for Windows. This is n...
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http://issues.apache.org/jira/browse/MAPREDUCE-4263
Author: Bikas Saha,
2012-06-11, 20:43
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