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[MAPREDUCE-2498] TestRaidShellFsck failing on trunk - MapReduce - [issue]
...TestRaidShellFsck.testFileBlockAndParityBlockMissingHar2 has been failing the last several builds:Error Message: parity file not HARed after 40sjava.io.IOException: parity file not HARed aft...
http://issues.apache.org/jira/browse/MAPREDUCE-2498    Author: Todd Lipcon, 2011-10-31, 04:58
[MAPREDUCE-2888] saveVersion.sh doesn't work when svn copy is staged - MapReduce - [issue]
...The build fails with an error on the sed command, since saveVersion.sh doesn't correctly grab the URL....
http://issues.apache.org/jira/browse/MAPREDUCE-2888    Author: Todd Lipcon, 2011-10-31, 04:58
[MAPREDUCE-2853] Add "teraread" example - MapReduce - [issue]
...Teragen is a good benchmark of raw DFS write throughput. Terasort is a good benchmark of the whole MR system (input, shuffle, output). I've added a simple "teraread" example which reads thro...
http://issues.apache.org/jira/browse/MAPREDUCE-2853    Author: Todd Lipcon, 2011-10-31, 04:57
[MAPREDUCE-2371] TaskLogsTruncater does not need to check log ownership when running as Child - MapReduce - [issue]
...Before MAPREDUCE-2178, it used to be that the TaskLogsTruncater had to use the SecureIO API to open the task logs before truncation, to avoid an attack where the user would symlink in someth...
http://issues.apache.org/jira/browse/MAPREDUCE-2371    Author: Todd Lipcon, 2011-10-31, 04:57
[MAPREDUCE-2373] When tasks exit with a nonzero exit status, task runner should log the stderr as well as stdout - MapReduce - [issue]
...Currently, if the taskjvm.sh script fails to exec java for some reason, it prints its error message to stderr. This doesn't make it to the logs anywhere. Logging the stderr is very useful to...
http://issues.apache.org/jira/browse/MAPREDUCE-2373    Author: Todd Lipcon, 2011-10-28, 06:36
[MAPREDUCE-3260] Yarn app stuck in KILL_WAIT state - MapReduce - [issue]
...Last night I killed an MR2 app using "hadoop job -kill". This morning I noticed it's still running, but in "KILL_WAIT" state with no tasks running....
http://issues.apache.org/jira/browse/MAPREDUCE-3260    Author: Todd Lipcon, 2011-10-27, 06:37
[MAPREDUCE-3266] NM resource allocation should be in MB, not GB - MapReduce - [issue]
...Currently, the resource allocation for tasks on the NM is expressed in GB. This is inconsistent with the per-task resources which are in units of MBs. We should use MB throughout for better ...
http://issues.apache.org/jira/browse/MAPREDUCE-3266    Author: Todd Lipcon, 2011-10-26, 21:29
[MAPREDUCE-3268] MR2 capacity scheduler doesn't spread tasks evenly on an underutilized cluster - MapReduce - [issue]
...The fair scheduler in MR1 has the behavior that, if a job is submitted to an under-utilized cluster and the cluster has more open slots than tasks in the job, the tasks are spread evenly thr...
http://issues.apache.org/jira/browse/MAPREDUCE-3268    Author: Todd Lipcon, 2011-10-25, 20:39
[MAPREDUCE-3255] MR2 needs a counter analogous to "slot seconds" - MapReduce - [issue]
...In older versions of MR, we have a SLOT_MILLIS counter which counts how many seconds each task (and job) used of map/reduce slots. Since we no longer have the concept of a "slot" in MR2, we ...
http://issues.apache.org/jira/browse/MAPREDUCE-3255    Author: Todd Lipcon, 2011-10-25, 18:05
[MAPREDUCE-3234] Locality scheduling broken due to mismatch between IPs and hosts - MapReduce - [issue]
...I noticed that, on a single-rack cluster, I wasn't getting hardly any data locality. The issue appears to be the code in RMContainerAllocator which changes the resource requests to use IP ad...
http://issues.apache.org/jira/browse/MAPREDUCE-3234    Author: Todd Lipcon, 2011-10-22, 06:20
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