Arun C Murthy
Vinod Kumar Vavilapalli
Krishna Kishore Bonagiri
Robert Joseph Evans
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[MAPREDUCE-4020] Web services returns incorrect JSON for deep queue tree
...When the capacity scheduler is configured for more than two levels of queues, the web services API returns incorrect JSON for the subQueues field of some parent queues. The "subQueues"...
, 2015-05-12, 09:18
[MAPREDUCE-6279] AM should explicity exit JVM after all services have stopped
...Occasionally the MapReduce AM can "get stuck" trying to shut down. MAPREDUCE-6049 and MAPREDUCE-5888 were specific instances that have been fixed, but this can also occur with uber job...
, 2015-05-08, 17:08
[MAPREDUCE-6141] History server leveldb recovery store
...It would be nice to have a leveldb option to the job history server recovery store. Leveldb would provide some benefits over the existing filesystem store such as better support for at...
, 2015-04-25, 00:15
[VOTE] Release Apache Hadoop 2.7.0 RC0
- [mail # dev]
...+1 (binding)- Verified signatures and digests- Built from source with native support- Deployed to a single-node cluster and ran sample jobsJason From: Vinod Kumar Vavilap...
, 2015-04-14, 23:18
[MAPREDUCE-6263] Configurable timeout between YARNRunner terminate the application and forcefully kill.
...YARNRunner connects to the AM to send the kill job command then waits a hardcoded 10 seconds for the job to enter a terminal state. If the job fails to enter a terminal state in that t...
, 2015-04-10, 21:19
[MAPREDUCE-6162] mapred hsadmin fails on a secure cluster
...Attempts to use mapred hsadmin fail on a secure cluster for a couple of reasons. The HSAdmin client isn't configuring the principal config key for the protocol, resulting in a "Failed to spe...
, 2015-04-10, 21:19
[MAPREDUCE-5891] Improved shuffle error handling across NM restarts
...To minimize the number of map fetch failures reported by reducers across an NM restart it would be nice if reducers only reported a fetch failure after trying for at specified period of time...
, 2015-04-02, 14:49
[MAPREDUCE-5079] Recovery should restore task state from job history info directly
...We've encountered a lot of hanging issues during MR-AM recovery because the state machines don't always end up in the same states after recovery. This is especially true when speculati...
, 2015-03-18, 11:58
Looking to a Hadoop 3 release
- [mail # dev]
...I'm OK with a 3.0.0 release as long as we are minimizing the pain of maintaining yet another release line and conscious of the incompatibilities going into that release line.For the former, ...
, 2015-03-05, 21:47
[MAPREDUCE-6261] NullPointerException if MapOutputBuffer.flush invoked twice
...MapOutputBuffer.flush will throw an NPE if it is invoked twice, since it blindly assumes kvbuffer is not null yet sets kvbuffer to null towards the end of the method....
, 2015-02-19, 15:21
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