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[MAPREDUCE-3719] Make gridmix performance on YARN+MR to match or exceed that on 1.0 - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3719    Author: Vinod Kumar Vavilapalli, 2012-02-10, 00:41
[MAPREDUCE-3354] JobHistoryServer should be started by bin/mapred and not by bin/yarn - MapReduce - [issue]
...JobHistoryServer belongs to mapreduce land....
http://issues.apache.org/jira/browse/MAPREDUCE-3354    Author: Vinod Kumar Vavilapalli, 2012-02-09, 20:45
[MAPREDUCE-3402] AMScalability test of Sleep job with 100K 1-sec maps regressed into running very slowly - MapReduce - [issue]
...The world was rosier before October 19-25, Karam Singh says.The 100K 1 second sleep job used to take around 800mins or 13-14 mins. It now runs till 45 mins and still manages to complete only...
http://issues.apache.org/jira/browse/MAPREDUCE-3402    Author: Vinod Kumar Vavilapalli, 2012-02-08, 03:10
[MAPREDUCE-3754] RM webapp should have pages filtered based on App-state - MapReduce - [issue]
...Helps a lot when we have lot of apps. Already having difficulties with gridmix with a single big list of apps of all states....
http://issues.apache.org/jira/browse/MAPREDUCE-3754    Author: Vinod Kumar Vavilapalli, 2012-02-01, 14:27
[MAPREDUCE-3778] Per-state RM app-pages should have search ala JHS pages - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3778    Author: Vinod Kumar Vavilapalli, 2012-02-01, 00:54
[MAPREDUCE-3718] Default AM heartbeat interval should be one second - MapReduce - [issue]
...Helps in improving app performance. RM should be able to handle this, as the heartbeats aren't really costly....
http://issues.apache.org/jira/browse/MAPREDUCE-3718    Author: Vinod Kumar Vavilapalli, 2012-01-27, 13:19
[MAPREDUCE-3699] Default RPC handlers are very low for YARN servers - MapReduce - [issue]
...Mainly NM has a default of 5, RM has 10 and AM also has 10 irrespective of num-slots, num-nodes and num-tasks respectively. Though ideally we want to scale according to slots/nodes/tasks, fo...
http://issues.apache.org/jira/browse/MAPREDUCE-3699    Author: Vinod Kumar Vavilapalli, 2012-01-27, 13:19
[MAPREDUCE-3731] NodeManager should use SecureIOUtils for serving logs and intermediate outputs - MapReduce - [issue]
...Log servlets for serving logs and the ShuffleService for serving intermediate outputs both should use SecureIOUtils for avoiding symlink attacks....
http://issues.apache.org/jira/browse/MAPREDUCE-3731    Author: Vinod Kumar Vavilapalli, 2012-01-26, 05:29
[MAPREDUCE-3714] Reduce hangs in a corner case - MapReduce - [issue]
...Karam Singh found this long time back and we(Sid/I) ran into this again.Logs to follow.....
http://issues.apache.org/jira/browse/MAPREDUCE-3714    Author: Vinod Kumar Vavilapalli, 2012-01-25, 15:00
Re: How is MRv2 fundamentally changed? - MapReduce - [mail # dev]
...On Mon, Jan 23, 2012 at 5:11 PM, Jie Li  wrote:   The task run time hasn't changed from 0.21/0.22. But it has changed if you compare with 0.20, the new runtime has a lot of perform...
   Author: Vinod Kumar Vavilapalli, 2012-01-24, 05:02
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