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[MAPREDUCE-3958] RM: Remove RMNodeState and replace it with NodeState - MapReduce - [issue]
...RMNodeState is being sent over the wire after MAPREDUCE-3353. This has been done by cloning the enum into NodeState in yarn protocol records.That makes RMNodeState redundant and it should be...
http://issues.apache.org/jira/browse/MAPREDUCE-3958    Author: Bikas Saha, 2014-09-04, 02:05
[MAPREDUCE-4401] Enhancements to MapReduce for Windows Server and Windows Azure development and runtime environments - MapReduce - [issue]
...This JIRA tracks the work that needs to be done on trunk to enable Hadoop to run on Windows Server and Azure environments. This incorporates porting relevant work from the similar effort on ...
http://issues.apache.org/jira/browse/MAPREDUCE-4401    Author: Bikas Saha, 2014-02-11, 17:54
[MAPREDUCE-4893] MR AppMaster can do sub-optimal assignment of containers to map tasks leading to poor node locality - MapReduce - [issue]
...Say the MR AppMaster asks the RM for 3 containers on nodes n1, n2 and n3. There are 10 node n1-n10 in the same rack. The RM can give it allocated containers in the list order n5, n2, n1. The...
http://issues.apache.org/jira/browse/MAPREDUCE-4893    Author: Bikas Saha, 2013-11-13, 15:40
[MAPREDUCE-5398] MR changes for YARN-513 - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5398    Author: Bikas Saha, 2013-07-17, 15:11
[MAPREDUCE-4330] TaskAttemptCompletedEventTransition invalidates previously successful attempt without checking if the newly completed attempt is successful - MapReduce - [issue]
...The previously completed attempt is removed from successAttemptCompletionEventNoMap and marked OBSOLETE.After that, if the newly completed attempt is successful then it is added to the succe...
http://issues.apache.org/jira/browse/MAPREDUCE-4330    Author: Bikas Saha, 2013-04-15, 23:19
[MAPREDUCE-5115] MR app master may try to assign a reduce priority container to a map - MapReduce - [issue]
...ScheduledRequests.assign() checks reduces.isEmpty() and releases REDUCE priority containers. But it could have received more REDUCE priority containers than reduces.size() in which case it w...
http://issues.apache.org/jira/browse/MAPREDUCE-5115    Author: Bikas Saha, 2013-03-28, 21:43
[MAPREDUCE-5107] MR AM needs to be able to handle unavailable HDFS - MapReduce - [issue]
...Stuff like not starting tasks when HDFS is unavailable. Not terminating tasks that are spinning on HDFS to become available. These features exist in branch-1 JT. Some of this may already be ...
http://issues.apache.org/jira/browse/MAPREDUCE-5107    Author: Bikas Saha, 2013-03-27, 18:34
[MAPREDUCE-4892] CombineFileInputFormat node input split can be skewed on small clusters - MapReduce - [issue]
...The CombineFileInputFormat split generation logic tries to group blocks by node in order to create splits. It iterates through the nodes and creates splits on them until there aren't enough ...
http://issues.apache.org/jira/browse/MAPREDUCE-4892    Author: Bikas Saha, 2013-02-28, 13:20
[MAPREDUCE-4671] AM does not tell the RM about container requests that are no longer needed - MapReduce - [issue]
...Say the AM wanted a container at hosts h1, h2, h3. After getting a container at h1 it should tell RM that it no longer needs containers at h2, h3. Otherwise on the RM h2, h3 remain valid all...
http://issues.apache.org/jira/browse/MAPREDUCE-4671    Author: Bikas Saha, 2013-02-09, 12:40
[MAPREDUCE-4436] AppRejectedTransition does not unregister app from master service and scheduler - MapReduce - [issue]
...AttemptStartedTransition() adds the app to the ApplicationMasterService and scheduler. when the scheduler rejects the app then AppRejectedTransition() forgets to unregister it from the Appli...
http://issues.apache.org/jira/browse/MAPREDUCE-4436    Author: Bikas Saha, 2012-10-10, 00:57
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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