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Re: Memory based scheduling - MapReduce - [mail # user]
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...Yes, use the CapacityScheduler and ask for multiple slots per map or reduce task: http://hadoop.apache.org/docs/stable/capacity_scheduler.html#Resource+base d+scheduling Ar...
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Author: Arun C Murthy,
2012-10-30, 17:24
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Re: Max Maps for default queues in FairScheduler - MapReduce - [mail # dev]
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...You might just want the CapacityScheduler which has the feature(s) you are want... On Oct 18, 2012, at 5:03 PM, lohit wrote: would resources. of all of contending for so it...
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Author: Arun C Murthy,
2012-10-19, 02:52
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[MAPREDUCE-4603] Allow JobClient to retry job-submission when JT is in safemode - MapReduce - [issue]
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...Similar to HDFS-3504, it would be useful to allow JobClient to retry job-submission when JT is in safemode (via MAPREDUCE-4328).This way applications like Pig/Hive don't bork midway when the...
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http://issues.apache.org/jira/browse/MAPREDUCE-4603
Author: Arun C Murthy,
2012-10-17, 19:27
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[MAPREDUCE-2863] Support web-services for RM & NM - MapReduce - [issue]
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...It will be very useful for RM and NM to support web-services to export json/xml....
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http://issues.apache.org/jira/browse/MAPREDUCE-2863
Author: Arun C Murthy,
2012-10-17, 11:19
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[MAPREDUCE-97] Increase map/reduce child tasks' heapsize from current default of 200M to 512M - MapReduce - [issue]
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...I guess we should look to check why we get OOMs with 200M, I'd suspect io.sort.mb hogs a lot of the default 200M. However, HADOOP-1867 should be the right way to solve it. For now, I propose...
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http://issues.apache.org/jira/browse/MAPREDUCE-97
Author: Arun C Murthy,
2012-10-17, 06:25
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Re: sorting mechanism - MapReduce - [mail # dev]
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...Look at MapTask.java (MapOutputBuffer) and ReduceTask.java and follow the merge code. Arun On Sep 30, 2012, at 12:06 PM, Samaneh Shokuhi wrote: to Arun C. Murth...
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Author: Arun C Murthy,
2012-10-02, 06:29
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[MAPREDUCE-4681] HDFS-3910 broke MR tests - MapReduce - [issue]
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...HDFS-3910 changed signatures of DFSTestUtil functions and didn't change MR tests....
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http://issues.apache.org/jira/browse/MAPREDUCE-4681
Author: Arun C Murthy,
2012-10-01, 14:15
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[MAPREDUCE-4328] Add the option to quiesce the JobTracker - MapReduce - [issue]
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...In several failure scenarios it would be very handy to have an option to quiesce the JobTracker.Recently, we saw a case where the NameNode had to be rebooted at a customer due to a random ha...
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http://issues.apache.org/jira/browse/MAPREDUCE-4328
Author: Arun C Murthy,
2012-09-27, 23:01
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[MAPREDUCE-4687] Add compilation of 'classic' MR1 (ant based) to jenkins builds - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4687
Author: Arun C Murthy,
2012-09-26, 17:48
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Re: need help submit patch to branch-1 - MapReduce - [mail # dev]
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...Erik, Unfortunately our jenkins bot doesn't support patches for branch-1. Can you pls try running 'ant test test-patch' yourself and attach results to the jira? tha...
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Author: Arun C Murthy,
2012-09-26, 17:39
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