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Re: [VOTE] Release Apache Hadoop 0.23.11 - MapReduce - [mail # dev]
...+1 (binding)- Verified signatures and digests- Deployed binary tarball to a single-node cluster and ran some MR example jobs- Built from source, deployed to a single-node cluster and ran som...
   Author: Jason Lowe, 2014-06-25, 16:06
Re: [VOTE] Change by-laws on release votes: 5 days instead of 7 - MapReduce - [mail # dev]
...+1 (binding)JasonOn 06/24/2014 03:53 AM, Arun C Murthy wrote: ...
   Author: Jason Lowe, 2014-06-24, 15:55
[MAPREDUCE-5542] Killing a job just as it finishes can generate an NPE in client - MapReduce - [issue]
...If a client tries to kill a job just as the job is finishing then the client can crash with an NPE....
http://issues.apache.org/jira/browse/MAPREDUCE-5542    Author: Jason Lowe, 2014-06-17, 23:11
[MAPREDUCE-5758] Reducer local data is not deleted until job completes - MapReduce - [issue]
...Ran into an instance where a reducer shuffled a large amount of data and subsequently failed, but the local data is not purged when the task fails but only after the entire job completes. &n...
http://issues.apache.org/jira/browse/MAPREDUCE-5758    Author: Jason Lowe, 2014-05-20, 20:19
[MAPREDUCE-5888] Failed job leaves hung AM after it unregisters - MapReduce - [issue]
...When a job fails the AM hangs during shutdown.  A non-daemon thread pool executor thread prevents the JVM teardown from completing, and the AM lingers on the cluster for the AM expiry i...
http://issues.apache.org/jira/browse/MAPREDUCE-5888    Author: Jason Lowe, 2014-05-15, 19:20
[MAPREDUCE-5002] AM could potentially allocate a reduce container to a map attempt - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-5002    Author: Jason Lowe, 2014-05-13, 21:06
[MAPREDUCE-4816] JobImpl Invalid event: JOB_TASK_ATTEMPT_COMPLETED at FAILED - MapReduce - [issue]
...Saw this in an AM log of a task that had failed:2012-11-21 23:26:44,533 ERROR [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Can't handle this event at ...
http://issues.apache.org/jira/browse/MAPREDUCE-4816    Author: Jason Lowe, 2014-04-23, 21:04
[MAPREDUCE-5251] Reducer should not implicate map attempt if it has insufficient space to fetch map output - MapReduce - [issue]
...A job can fail if a reducer happens to run on a node with insufficient space to hold a map attempt's output.  The reducer keeps reporting the map attempt as bad, and if the map attempt ...
http://issues.apache.org/jira/browse/MAPREDUCE-5251    Author: Jason Lowe, 2014-04-23, 20:03
[MAPREDUCE-4852] Reducer should not signal fetch failures for disk errors on the reducer's side - MapReduce - [issue]
...Ran across a case where a reducer ran on a node where the disks were full, leading to an exception like this during the shuffle fetch:2012-12-05 09:07:28,749 INFO [fetcher#25] org.apache.had...
http://issues.apache.org/jira/browse/MAPREDUCE-4852    Author: Jason Lowe, 2014-04-23, 20:03
[MAPREDUCE-5603] Ability to disable FileInputFormat listLocatedStatus optimization to save client memory - MapReduce - [issue]
...It would be nice if users had the option to disable the listLocatedStatus optimization in FileInputFormat to save client memory....
http://issues.apache.org/jira/browse/MAPREDUCE-5603    Author: Jason Lowe, 2014-04-22, 18:34
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