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[MAPREDUCE-4411] Add support for DistributedShell to ask for CPUs along with memory - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4411    Author: Arun C Murthy, 2012-07-07, 00:44
[MAPREDUCE-4410] Add experimental support for MR AM to schedule CPUs along-with memory - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4410    Author: Arun C Murthy, 2012-07-07, 00:43
[MAPREDUCE-4409] Add support for FifoScheduler to schedule CPU along with memory. - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4409    Author: Arun C Murthy, 2012-07-07, 00:42
[MAPREDUCE-3472] Port to 0.22 - The capacity-scheduler should assign multiple tasks per heartbeat - MapReduce - [issue]
...HADOOP-3136 changed the default o.a.h.mapred.JobQueueTaskScheduler to assign multiple tasks per TaskTracker heartbeat, MAPREDUCE-517 added this to the capacity-scheduler.We should port this ...
http://issues.apache.org/jira/browse/MAPREDUCE-3472    Author: Arun C Murthy, 2012-07-05, 18:12
[MAPREDUCE-4316] Improve default config values for YARN - MapReduce - [issue]
...Currently some of our configs are way off e.g. min-alloc is 128M while max-alloc is 10240.This leads to poor out-of-box performance as noticed by some users: http://s.apache.org/avd...
http://issues.apache.org/jira/browse/MAPREDUCE-4316    Author: Arun C Murthy, 2012-07-01, 04:38
[MAPREDUCE-516] Fix the 'cluster drain' problem in the Capacity Scheduler wrt High RAM Jobs - MapReduce - [issue]
...When a HighRAMJob turns up at the head of the queue, the current implementation of support for HighRAMJobs in the Capacity Scheduler has problem in that the scheduler stops assigning tasks t...
http://issues.apache.org/jira/browse/MAPREDUCE-516    Author: Arun C Murthy, 2012-06-17, 07:27
[MAPREDUCE-279] Map-Reduce 2.0 - MapReduce - [issue]
...Re-factor MapReduce into a generic resource scheduler and a per-job, user-defined component that manages the application execution....
http://issues.apache.org/jira/browse/MAPREDUCE-279    Author: Arun C Murthy, 2012-06-17, 07:08
[MAPREDUCE-268] Implement memory-to-memory merge in the reduce - MapReduce - [issue]
...HADOOP-3446 fixed the reduce to not flush the in-memory shuffled map-outputs before feeding to the reduce. However for latency-sensitive applications with lots of memory like the terasort th...
http://issues.apache.org/jira/browse/MAPREDUCE-268    Author: Arun C Murthy, 2012-06-05, 02:37
[MAPREDUCE-2694] AM releases too many containers due to the protocol - MapReduce - [issue]
...AM sends request asking 4 containers on host H1. Asynchronously, host H1 reaches RM and gets assigned 4 containers. RM at this point, sets the value against H1 tozero in its aggregate reques...
http://issues.apache.org/jira/browse/MAPREDUCE-2694    Author: Arun C Murthy, 2012-04-30, 15:50
[MAPREDUCE-278] Proposal for redesign/refactoring of the JobTracker and TaskTracker - MapReduce - [issue]
...During discussions on HADOOP-815 wrt some hard-to-maintain code on the JobTracker we all agreed that the current state-of-affairs there is brittle and merits some rework.Case in point: there...
http://issues.apache.org/jira/browse/MAPREDUCE-278    Author: Arun C Murthy, 2012-04-23, 09:34
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB