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[MAPREDUCE-4331] TaskAttemptListenerImpl.statusUpdate and TaskAttemptListenerImpl.ping never return false - MapReduce - [issue]
...If a task has been abandoned by the AM but not terminated at the NM, then it will continue to contact the AM. The AM needs to send it a false value in the response to status/ping and that wi...
http://issues.apache.org/jira/browse/MAPREDUCE-4331    Author: Bikas Saha, 2012-06-08, 18:08
[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, 2012-05-23, 20:28
[MAPREDUCE-4204] Refactor ProcfsBasedProcessTree to make the resource collection object pluggable - MapReduce - [issue]
...Making it a pluggable interface will allow replacing the procfs based implementation with ones for other platforms....
http://issues.apache.org/jira/browse/MAPREDUCE-4204    Author: Bikas Saha, 2012-05-21, 07:32
[MAPREDUCE-4259] TestDatanodeBlockScanner and TestReplication fail intermittently on Windows - MapReduce - [issue]
...The tests change the block length to corrupt the data block. If the block file is opened by the datanode then the test can concurrently modify it on Linux but such concurrent modification is...
http://issues.apache.org/jira/browse/MAPREDUCE-4259    Author: Bikas Saha, 2012-05-15, 17:21
[MAPREDUCE-4201] Getting PID not working on Windows. Termination of Task/TaskJVM's not working - MapReduce - [issue]
...Child Task not reporting PID because of Linux specific shell script implementation.Signaling task termination currently disabled by the initial Windows patch....
http://issues.apache.org/jira/browse/MAPREDUCE-4201    Author: Bikas Saha, 2012-04-27, 22:57
Re: OS Independent container monitor - MapReduce - [mail # dev]
...https://issues.apache.org/jira/browse/MAPREDUCE-4204 tracks something on these lines for the port to Windows.   On 4/25/12 2:49 PM, "Radim Kolar"  wrote:  ...
   Author: Bikas Saha, 2012-04-27, 00:55
Re: OS Independent container monitor - MapReduce - [mail # dev]
...+1 for making ProcfsBasedProcessTree an implementation of a pluggable interface. Will help projects like the port to Windows.  On 4/25/12 11:14 PM, "Harsh J"  wrote:  ...
   Author: Bikas Saha, 2012-04-26, 07:01
[MAPREDUCE-3899] Locking not correct in org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(AllocateRequest request) - MapReduce - [issue]
...Looks like the lock taken in this is broken. It takes a lock on lastResponse object and then puts a new lastResponse object into the map. At this point a new thread entering this function wi...
http://issues.apache.org/jira/browse/MAPREDUCE-3899    Author: Bikas Saha, 2012-04-23, 22:16
[MAPREDUCE-4128] AM Recovery expects all attempts of a completed task to also be completed. - MapReduce - [issue]
...The AM seems to assume that all attempts of a completed task (from a previous AM incarnation) would also be completed. There is at least one case in which this does not hold. Case being canc...
http://issues.apache.org/jira/browse/MAPREDUCE-4128    Author: Bikas Saha, 2012-04-14, 14:03
[MAPREDUCE-3986] TaskAttemptCompletionEvent not being sent for task attempts that were killed after a sibling attempt succeeds - MapReduce - [issue]
...When TaskImpl transitions to SUCCEEDED then it kills the other running task attempts. In the SUCCEEDED state the TaskImpl state machine ignores T_ATTEMPT_KILLED events from those killed atte...
http://issues.apache.org/jira/browse/MAPREDUCE-3986    Author: Bikas Saha, 2012-03-08, 02:59
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