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Re: Cyclic dependency in JobControl job DAG - MapReduce - [mail # dev]
...+1, can you please open a JIRA ticket (at  https://issues.apache.org/jira/browse/MAPREDUCE) and attach a patch?  Thanks, +Vinod  On Jun 25, 2012, at 6:53 AM, Robert Evans wrot...
   Author: Vinod Kumar Vavilapalli, 2012-06-25, 18:13
[MAPREDUCE-3350] Per-app RM page should have the list of application-attempts like on the app JHS page - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3350    Author: Vinod Kumar Vavilapalli, 2012-06-05, 13:53
[MAPREDUCE-3988] mapreduce.job.local.dir doesn't point to a single directory on a node. - MapReduce - [issue]
...After MAPREDUCE-3975, mapreduce.job.local.dir is set correctly for the tasks but it doesn't point to the same directory for all tasks running on the node.It is a public API. Either we should...
http://issues.apache.org/jira/browse/MAPREDUCE-3988    Author: Vinod Kumar Vavilapalli, 2012-05-23, 20:28
[MAPREDUCE-3812] Lower default allocation sizes, fix allocation configurations and document them - MapReduce - [issue]
...After a few performance improvements tracked at MAPREDUCE-3561, like MAPREDUCE-3511 and MAPREDUCE-3567, even a 100K maps job can also run within 1GB vmem. We earlier increased AM slot size f...
http://issues.apache.org/jira/browse/MAPREDUCE-3812    Author: Vinod Kumar Vavilapalli, 2012-05-03, 13:08
[MAPREDUCE-3942] Randomize master key generation for ApplicationTokenSecretManager and roll it every so often - MapReduce - [issue]
...Master key for authentication of AMs need to be automatically generated. The key needs to be rolled every so often but AMs with old keys should continue to be able to talk to the RM....
http://issues.apache.org/jira/browse/MAPREDUCE-3942    Author: Vinod Kumar Vavilapalli, 2012-04-18, 14:06
[MAPREDUCE-2742] [MR-279] [Security] All tokens in YARN + MR should have an expiry interval - MapReduce - [issue]
...Right now none of the tokens and secret-keys have an expiry interval. This needs to be fixed.This ticket should also handle how to renew the tickets when necessary....
http://issues.apache.org/jira/browse/MAPREDUCE-2742    Author: Vinod Kumar Vavilapalli, 2012-04-16, 18:27
[MAPREDUCE-3932] MR tasks failing and crashing the AM when available-resources/headRoom becomes zero - MapReduce - [issue]
...Karam Singh reported this offline. One reduce task gets preempted because of zero headRoom and crashes the AM.2012-02-23 11:30:15,956 INFO [RMCommunicator Allocator] org.apache.hadoop.mapred...
http://issues.apache.org/jira/browse/MAPREDUCE-3932    Author: Vinod Kumar Vavilapalli, 2012-04-12, 14:05
[MAPREDUCE-3672] Killed maps shouldn't be counted towards JobCounter.NUM_FAILED_MAPS - MapReduce - [issue]
...We count maps that are killed, say by speculator, towards JobCounter.NUM_FAILED_MAPS. We should instead have a separate JobCounter for killed maps.Same with reduces too....
http://issues.apache.org/jira/browse/MAPREDUCE-3672    Author: Vinod Kumar Vavilapalli, 2012-04-06, 13:58
[MAPREDUCE-3729] Commit build failing TestJobClientGetJob, TestMRWithDistributedCache, TestLocalModeWithNewApis - MapReduce - [issue]
...See https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1671//testReport/....
http://issues.apache.org/jira/browse/MAPREDUCE-3729    Author: Vinod Kumar Vavilapalli, 2012-04-05, 14:20
[MAPREDUCE-3353] Need a RM->AM channel to inform AMs about faulty/unhealthy/lost nodes - MapReduce - [issue]
...When a node gets lost or turns faulty, AM needs to know about that event so that it can take some action like for e.g. re-executing map tasks whose intermediate output live on that faulty no...
http://issues.apache.org/jira/browse/MAPREDUCE-3353    Author: Vinod Kumar Vavilapalli, 2012-03-28, 22:00
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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