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Re: 2.7 status - MapReduce - [mail # dev]
...This seems like a follow up to a recently added feature. I see more of these type of patches for many new features added in 2.7.0. I'd like to avoid putting more into the already dragged on ...
   Author: Vinod Kumar Vavilapalli, 2015-04-09, 18:56
[MAPREDUCE-2967] PB implementations of all records should have getters, setters and getProto() properly synchronized - MapReduce - [issue]
...In the past, I've been bitten by multiple, very hard-to-debug race conditions with YARN+MR which all boiled down to locking bugs in PB implementation of various records.The main reason seems...
http://issues.apache.org/jira/browse/MAPREDUCE-2967    Author: Vinod Kumar Vavilapalli, 2015-03-09, 21:38
[MAPREDUCE-2745] [MR-279] NM UI should get a read-only view instead of the actual NMContext - MapReduce - [issue]
...NMContext is modifiable, the UI should only get read-only access. Just like the AM web-ui....
http://issues.apache.org/jira/browse/MAPREDUCE-2745    Author: Vinod Kumar Vavilapalli, 2015-03-09, 21:37
Reviving HADOOP-7435: Making Jenkins pre-commit build work with branches - MapReduce - [mail # dev]
...Hi all,I'd like us to revive the effort at https://issues.apache.org/jira/browse/HADOOP-7435 to make precommit builds being able to work with branches. Having the Jenkins verify patches on b...
   Author: Vinod Kumar Vavilapalli, 2015-03-04, 21:21
[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, 2015-02-10, 21:38
[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, 2015-02-10, 21:35
[expand - 2 more] - Re: Thinking ahead to hadoop-2.6 - MapReduce - [mail # dev]
...From YARN, we have a couple of items related to log-aggregation of servicesand node-labels that are not tracked as blockers, but are working ontargeting 2.6. I am trying to get them in by en...
   Author: Vinod Kumar Vavilapalli, 2014-10-15, 20:49
[MAPREDUCE-5956] MapReduce AM should not use maxAttempts to determine if this is the last retry - MapReduce - [issue]
...Found this while reviewing YARN-2074. The problem is that after YARN-2074, we don't count AM preemption towards AM failures on RM side, but MapReduce AM itself checks the attempt id against ...
http://issues.apache.org/jira/browse/MAPREDUCE-5956    Author: Vinod Kumar Vavilapalli, 2014-09-03, 21:21
[MAPREDUCE-1716] Truncate logs of finished tasks to prevent node thrash due to excessive logging - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-1716    Author: Vinod Kumar Vavilapalli, 2014-07-30, 19:08
[MAPREDUCE-1640] Node health feature fails to blacklist a node if the health check script times out in some cases - MapReduce - [issue]
...Node health check feature fails to blacklist a TT if health check script times out. Below are the values that were set: mapred.healthChecker.interval=60000 mapred.healthChecker.script.timeou...
http://issues.apache.org/jira/browse/MAPREDUCE-1640    Author: Vinod Kumar Vavilapalli, 2014-07-30, 18:19
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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