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[MAPREDUCE-3973] [Umbrella JIRA] JobHistoryServer performance improvements in YARN+MR - MapReduce - [issue]
...Few parallel efforts are happening w.r.t improving/fixing issues with JobHistoryServer in MR over YARN. This is the umbrella ticket so we have the complete picture....
http://issues.apache.org/jira/browse/MAPREDUCE-3973    Author: Vinod Kumar Vavilapalli, 2012-03-09, 21:00
[MAPREDUCE-3105] NM<->RM shared secrets should be rolled every so often. - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3105    Author: Vinod Kumar Vavilapalli, 2012-03-08, 22:16
[MAPREDUCE-3101] Security issues in YARN - MapReduce - [issue]
...Most of the chassis for security in YARN is set up and is working. There are known bugs and security holes though. This JIRA is an umbrella ticket for tracking those....
http://issues.apache.org/jira/browse/MAPREDUCE-3101    Author: Vinod Kumar Vavilapalli, 2012-03-07, 01:42
[MAPREDUCE-3034] NM should act on a REBOOT command from RM - MapReduce - [issue]
...RM sends a reboot command to NM in some cases, like when it gets lost and rejoins back. In such a case, NM should act on the command and reboot/reinitalize itself.This is akin to TT reinitia...
http://issues.apache.org/jira/browse/MAPREDUCE-3034    Author: Vinod Kumar Vavilapalli, 2012-03-06, 13:30
[MAPREDUCE-3966] Add separate cache for CompletedJobs with tasks loaded and without tasks loaded in JobHIstoryServer - MapReduce - [issue]
...After MAPREDUCE-3901, we should have separate caches for list of CompletedJob with tasks loaded and list of CompletedJob without tasks loaded. Once we have separate cache, we should increase...
http://issues.apache.org/jira/browse/MAPREDUCE-3966    Author: Vinod Kumar Vavilapalli, 2012-03-05, 22:17
[MAPREDUCE-3823] Counters are getting calculated twice at job-finish and delaying clients. - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3823    Author: Vinod Kumar Vavilapalli, 2012-03-05, 02:49
[MAPREDUCE-3720] Command line listJobs should not visit each AM - MapReduce - [issue]
...When the RM has a large number of jobs, bin/mapred job -list takes a long time as it visits each AM to get information like num-maps, num-reduces etc.We should move all per-AM information to...
http://issues.apache.org/jira/browse/MAPREDUCE-3720    Author: Vinod Kumar Vavilapalli, 2012-03-05, 02:49
[MAPREDUCE-3945] JobHistoryServer should store tokens to authenticate clients across restart - MapReduce - [issue]
...JobHistoryServer gives off delegation tokens so that clients can talk to it. It needs to store them off somewhere to authenticate clients across the server restart...
http://issues.apache.org/jira/browse/MAPREDUCE-3945    Author: Vinod Kumar Vavilapalli, 2012-03-01, 00:24
[MAPREDUCE-3634] All daemons should crash instead of hanging around when their EventHandlers get exceptions - MapReduce - [issue]
...We should make sure that the daemons crash in case the dispatchers get exceptions and stop processing. That way we will be debugging RM/NM/AM crashes instead of hard-to-track hanging jobs....
http://issues.apache.org/jira/browse/MAPREDUCE-3634    Author: Vinod Kumar Vavilapalli, 2012-02-22, 13:57
[MAPREDUCE-3561] [Umbrella ticket] Performance issues in YARN+MR - MapReduce - [issue]
...Been working on measuring performance of YARN+MR relative to the 0.20.xx release line together with Karam Singh.This is an umbrella ticket to track all the issues related to performance....
http://issues.apache.org/jira/browse/MAPREDUCE-3561    Author: Vinod Kumar Vavilapalli, 2012-02-21, 22:32
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