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[MAPREDUCE-5267] History server should be more robust when cleaning old jobs - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-5267    Author: Jason Lowe, 2014-07-03, 06:33
[MAPREDUCE-5891] Improved shuffle error handling across NM restarts - MapReduce - [issue]
...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...
http://issues.apache.org/jira/browse/MAPREDUCE-5891    Author: Jason Lowe, 2014-07-03, 06:33
[MAPREDUCE-5481] Enable uber jobs to have multiple reducers - MapReduce - [issue]
...TestUberAM has been timing out on trunk for some time now and surefire then fails the build.  I'm not able to reproduce it locally, but the Jenkins builds have been seeing it fairly con...
http://issues.apache.org/jira/browse/MAPREDUCE-5481    Author: Jason Lowe, 2014-07-01, 00:10
[MAPREDUCE-5830] HostUtil.getTaskLogUrl is not backwards binary compatible with 2.3 - MapReduce - [issue]
...HostUtil.getTaskLogUrl used to have a signature like this in Hadoop 2.3.0 and earlier:public static String getTaskLogUrl(String taskTrackerHostName, String httpPort, String taskAttemptID)but...
http://issues.apache.org/jira/browse/MAPREDUCE-5830    Author: Jason Lowe, 2014-06-30, 09:18
Re: [VOTE] Release Apache Hadoop 2.4.1 - MapReduce - [mail # dev]
...+1- Verified signatures and digests- Built from source, installed on single-node cluster and ran some sample jobsJasonOn 06/21/2014 01:51 AM, Arun C Murthy wrote: ...
2 emails [+ more]    Author: Jason Lowe, 2014-06-27, 23:22
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...
4 emails [+ more]    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-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
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