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[MAPREDUCE-4472] Support secure AM launch for unmanaged AM's - MapReduce - [issue]
...Currently unmanaged AM launch does not get security tokens because tokens are passed by the RM to the AM via the NM during AM container launch. For unmanaged AM's the RM can send tokens in t...
http://issues.apache.org/jira/browse/MAPREDUCE-4472    Author: Bikas Saha, 2012-07-24, 06:23
[MAPREDUCE-4369] Fix streaming job failures with WindowsResourceCalculatorPlugin - MapReduce - [issue]
...Some streaming jobs use local mode job runs that do not start tasks trackers. In these cases, the jvm context is not setup and hence local mode execution causes the code to crash.Fix is to n...
http://issues.apache.org/jira/browse/MAPREDUCE-4369    Author: Bikas Saha, 2012-07-05, 07:05
[MAPREDUCE-4203] Create equivalent of ProcfsBasedProcessTree for Windows - MapReduce - [issue]
...ProcfsBasedProcessTree is used by the TaskTracker to get process information like memory and cpu usage. This information is used to manage resources etc. The current implementation is based ...
http://issues.apache.org/jira/browse/MAPREDUCE-4203    Author: Bikas Saha, 2012-06-21, 01:35
[MAPREDUCE-4260] Use JobObject to spawn tasks on Windows - MapReduce - [issue]
...Currently, the Windows version spawns the task as a normal cmd shell from which other downstream exe's are spawned. However, this is not bullet proof because if an intermediate process exits...
http://issues.apache.org/jira/browse/MAPREDUCE-4260    Author: Bikas Saha, 2012-06-16, 00:34
[MAPREDUCE-4263] Use taskkill /T to terminate tasks on Windows - MapReduce - [issue]
...On Linux setsid is used to link the processes spawned by the tasks into the same session. So termination of the task terminates the entire tree. We need to do the same for Windows. This is n...
http://issues.apache.org/jira/browse/MAPREDUCE-4263    Author: Bikas Saha, 2012-06-11, 20:43
[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-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
[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
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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