Arun C Murthy
Vinod Kumar Vavilapalli
Krishna Kishore Bonagiri
Robert Joseph Evans
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Apache Hadoop 2.8.2 Release Plan
- [mail # dev]
...+1 to base the 2.8.2 release off of the more recent activity on branch-2.8. Because branch-2.8.2 was cut so long ago it is missing a lot of fixes that are in branch-2.8. There also are a l...
, 2017-07-21, 15:18
[MAPREDUCE-6916] History server scheduling tasks at fixed rate can be problematic when those tasks are slow
...The job history server currently schedules both the task of moving jobs from intermediate to done and the task of cleaning jobs at a fixed rate. If those tasks take longer than the rat...
, 2017-07-18, 20:58
[MAPREDUCE-6697] Concurrent task limits should only be applied when necessary
...The concurrent task limit feature should only adjust the ANY portion of the AM heartbeat ask when a limit is truly necessary, otherwise extraneous containers could be allocated by the RM to ...
, 2017-07-13, 21:40
[MAPREDUCE-6909] LocalJobRunner fails when run on a node from multiple users
...MAPREDUCE-5762 removed mapreduce.jobtracker.staging.root.dir from mapred-default.xml but the property is still being used by LocalJobRunner and the code default value does not match the valu...
, 2017-07-05, 22:15
[MAPREDUCE-3790] Broken pipe on streaming job can lead to truncated output for a successful job
...If a streaming job doesn't consume all of its input then the job can be marked successful even though the job's output is truncated.Here's a simple setup that can exhibit the problem. ...
, 2017-04-12, 19:57
[MAPREDUCE-6491] Environment variable handling assumes values should be appended
...When processing environment variables for a container context the code assumes that the value should be appended to any pre-existing value in the environment. This may be desired behav...
, 2017-03-29, 00:28
[VOTE] Release Apache Hadoop 2.8.0 (RC3)
- [mail # dev]
...+1 (binding)- Verfied signatures and digests- Performed a native build from the release tag- Deployed to a single node cluster- Ran some sample jobsJason On Friday, March ...
, 2017-03-17, 22:58
[MAPREDUCE-5982] Task attempts that fail from the ASSIGNED state can disappear
...If a task attempt fails in the ASSIGNED state, e.g.: container launch fails, then it can disappear from the job history. The task overview page will show subsequent attempts but ...
, 2017-01-06, 07:30
[MAPREDUCE-6472] MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks
...MapReduceChildJVM.getVMCommand ensures that all tasks have -Djava.io.tmpdir=./tmp set as part of the task command-line, but this is only used for tasks. The AM itself does not have a c...
, 2017-01-06, 01:48
[MAPREDUCE-4785] TestMRApp occasionally fails
...TestMRApp is failing occasionally with this error:testUpdatedNodes(org.apache.hadoop.mapreduce.v2.app.TestMRApp): Expecting 2 more completion events for killed expected:<4> but was:<...
, 2017-01-06, 01:00
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