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[MAPREDUCE-4027] Document the minimum-allocation-mb and maximum-allocation-mb configurations - MapReduce - [issue]
...None of the current yarn.scheduler.fifo.minimum/maximum-allocation-mb and yarn.scheduler.capacity.minimum/maximum-allocation-mb are documented anywhere. Without knowledge of these params, on...
http://issues.apache.org/jira/browse/MAPREDUCE-4027    Author: Harsh J, 2012-04-21, 19:04
[MAPREDUCE-4026] Lower minimum-allocation-mb to sensible defaults - MapReduce - [issue]
...The CapacityScheduler's minimum-allocation-mb is set to 1024.The FIFO's minimum-allocation-mb meanwhile, is 128.I propose changing the formers' minimum to that amount as well. 1024 is way to...
http://issues.apache.org/jira/browse/MAPREDUCE-4026    Author: Harsh J, 2012-04-21, 19:03
[MAPREDUCE-4171] Add a test for MR2's Schedulers' MAXIMUM_ALLOCATION limits - MapReduce - [issue]
...We currently have tests that test MINIMUM_ALLOCATION limits for FifoScheduler and the likes, but no test for MAXIMUM_ALLOCATION yet. We should add a test to prevent regressions of any kind o...
http://issues.apache.org/jira/browse/MAPREDUCE-4171    Author: Harsh J, 2012-04-21, 02:08
[MAPREDUCE-4029] NodeManager status web page should express 'last update' times as seconds ago - MapReduce - [issue]
...The 'Last health update' field on the MR2 apps' nodes page (at http://host:8088/cluster/nodes) is a timestamp right now, which isn't really informative for what the field means. It ought to ...
http://issues.apache.org/jira/browse/MAPREDUCE-4029    Author: Harsh J, 2012-04-18, 19:58
[MAPREDUCE-2170] Send out last-minute load averages in TaskTrackerStatus - MapReduce - [issue]
...Load averages could be useful in scheduling. This patch looks to extend the existing Linux resource plugin (via /proc/loadavg file) to allow transmitting load averages of the last one minute...
http://issues.apache.org/jira/browse/MAPREDUCE-2170    Author: Harsh J, 2012-02-16, 11:11
[MAPREDUCE-2640] The maxRunningTasks property of the LimitTasksPerJob scheduler is ambiguous in its description, and must be updated - MapReduce - [issue]
...The property's entry in mapred-default.xml is like so:<property>  <name>mapreduce.jobtracker.taskscheduler.maxrunningtasks.perjob</name>  <value></value&...
http://issues.apache.org/jira/browse/MAPREDUCE-2640    Author: Harsh J, 2012-01-09, 09:56
[MAPREDUCE-3633] MAPREDUCE-1938 isn't present in 0.22 nor 0.23 nor trunk. Breaks API. - MapReduce - [issue]
...MAPREDUCE-1938 introduced an API call in JobConf and the likes. This is not present in 0.22 nor 0.23.Even if it isn't needed, the method must be still present as @Deprecated and perhaps made...
http://issues.apache.org/jira/browse/MAPREDUCE-3633    Author: Harsh J, 2012-01-06, 14:54
[MAPREDUCE-2622] Remove the last remaining reference to "io.sort.mb" - MapReduce - [issue]
...TestLocalRunner still carries "io.sort.mb", which must be updated to "mapreduce.task.io.sort.mb" (MRJobConfig.IO_SORT_MB)....
http://issues.apache.org/jira/browse/MAPREDUCE-2622    Author: Harsh J, 2011-11-15, 00:48
[MAPREDUCE-2225] MultipleOutputs should not require the use of 'Writable' - MapReduce - [issue]
...MultipleOutputs right now requires for Key/Value classes to utilize the Writable and WritableComparable interfaces, and fails if the associated key/value classes aren't doing so.With support...
http://issues.apache.org/jira/browse/MAPREDUCE-2225    Author: Harsh J, 2011-11-15, 00:48
[MAPREDUCE-2474] Add docs to the new API Partitioner on how to access Job Configuration data - MapReduce - [issue]
...The new Partitioner interface does not extend Configurable classes as the old one and thus need to carry a tip on how to implement a custom partitioner that needs to feed off the Job Configu...
http://issues.apache.org/jira/browse/MAPREDUCE-2474    Author: Harsh J, 2011-11-15, 00:48
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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