Vinod Kumar Vavilapalli
Arun C Murthy
Robert Joseph Evans
Vinay Kumar Thota
Joydeep Sen Sarma
Bhallamudi Venkata Siva K...
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[MAPREDUCE-5267] History server should be more robust when cleaning old jobs
...Ran across a situation where an admin user had accidentally created a directory in one of the date directories under /mapred/history/done/ that was not readable by the historyserver user. &n...
, 2017-01-07, 01:59
[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
[MAPREDUCE-6324] Uber jobs fail to update AMRM token when it rolls over
...When the RM rolls a new AMRM master key the AMs are supposed to receive a new AMRM token on subsequent heartbeats between the time when the new key is rolled and when it is activated. ...
, 2017-01-06, 00:42
Re: Updated 2.8.0-SNAPSHOT artifact
- [mail # dev]
...At this point my preference would be to do the most expeditious thing to release 2.8, whether that's sticking with the branch-2.8 we have today or re-cutting it on branch-2. Doing a quick J...
, 2016-11-04, 22:39
Re: [VOTE] Release Apache Hadoop 2.6.5 (RC1)
- [mail # dev]
...+1 (binding)- Verified signatures and digests- Built native from source- Deployed to a single-node cluster and ran some sample jobsJason On Sunday, October 2, 2016 7:13 PM...
, 2016-10-10, 13:38
[MAPREDUCE-4784] TestRecovery occasionally fails
...TestRecovery is occasionally failing with this error:testCrashed(org.apache.hadoop.mapreduce.v2.app.TestRecovery): TaskAttempt state is not correct (timedout) expected:<FAILED> but was...
, 2016-08-30, 14:20
[MAPREDUCE-5002] AM could potentially allocate a reduce container to a map attempt
...As discussed in MAPREDUCE-4982, after MAPREDUCE-4893 it is theoretically possible for the AM to accidentally assign a reducer container to a map attempt if the AM doesn't find a reduce attem...
, 2016-08-30, 01:20
[MAPREDUCE-5044] Have AM trigger jstack on task attempts that timeout before killing them
...When an AM expires a task attempt it would be nice if it triggered a jstack output via SIGQUIT before killing the task attempt. This would be invaluable for helping users debug their h...
, 2016-08-30, 01:20
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