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[MAPREDUCE-3603] Add Web UI to MR2 Fair Scheduler - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3603    Author: Patrick Wendell, 2013-04-17, 00:30
[MAPREDUCE-3451] Port Fair Scheduler to MR2 - MapReduce - [issue]
...The Fair Scheduler is in widespread use today in MR1 clusters, but not yet ported to MR2. This is to track the porting of the Fair Scheduler to MR2 and will be updated to include design cons...
http://issues.apache.org/jira/browse/MAPREDUCE-3451    Author: Patrick Wendell, 2013-03-17, 06:16
[MAPREDUCE-3601] Add Delay Scheduling to MR2 Fair Scheduler - MapReduce - [issue]
...JIRA for delay scheduling component....
http://issues.apache.org/jira/browse/MAPREDUCE-3601    Author: Patrick Wendell, 2012-08-03, 17:36
[MAPREDUCE-3602] Add Preemption to MR2 Fair Scheduler - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3602    Author: Patrick Wendell, 2012-08-03, 17:36
[MAPREDUCE-3600] Add Minimal Fair Scheduler to MR2 - MapReduce - [issue]
...This covers the addition of the Fair Scheduler to the MR2 infrastructure. This patch will represent the minimum functional FairScheduler in MR2. It will be limited to a configuration file re...
http://issues.apache.org/jira/browse/MAPREDUCE-3600    Author: Patrick Wendell, 2012-08-03, 17:35
Review Request: MR2 Fair Scheduler - MapReduce - [mail # dev]
...Hi There,  This is a review request for a port of the Fair Scheduler to MR2 (https://issues.apache.org/jira/browse/MAPREDUCE-3451). Ideally someone familiar with the MR2 scheduling code...
   Author: Patrick Wendell, 2012-01-24, 18:17
[expand - 1 more] - Re: How do I set the log level? - MapReduce - [mail # dev]
...Ah, figured it out (writing for posterity).  Daemons expose a log level set/get gui at /logLevel:  e.g.: http://localhost:8088/logLevel  You enter the full qualfiied class nam...
   Author: Patrick Wendell, 2011-12-23, 20:52
Re: Mapping between the JIRA and files changed - MapReduce - [mail # dev]
...Hey Praveen,  I usually use the git (or SVN) logs to see what changed. Usually each commit is titled with the JIRA name it applies to. With git it is easy to see these commits before ac...
   Author: Patrick Wendell, 2011-12-23, 20:13
Re: ResourceManager not getting started in 0.23 - MapReduce - [mail # dev]
...I had the same problem. Solved by re-adding the following lines back to bin/yarn right after CLASSPATH is first declared:  # add hadoop-common libs to CLASSPATH if [ ! -d "$HADOOP_COMMO...
   Author: Patrick Wendell, 2011-12-22, 06:59
Event Model Questions - MapReduce - [mail # dev]
...Two questions about the event-based design pattern:  1) Sometimes I see a class directly calling the event handler of another class rather than going through the dispatcher. Why do thes...
   Author: Patrick Wendell, 2011-12-13, 04:45
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