Vinod Kumar Vavilapalli
Arun C Murthy
Robert Joseph Evans
Brahma Reddy Battula
Vinay Kumar Thota
Bhallamudi Venkata Siva K...
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[MAPREDUCE-828] Provide a mechanism to pause the jobtracker
...We've seen scenarios when we have needed to stop the namenode for a maintenance activity. In such scenarios, if the jobtracker (JT) continues to run, jobs would fail due to initialization or...
, 2010-02-23, 18:18
[MAPREDUCE-1331] TestMiniMRWithDFS.testWithDFSWithDefaultPort inadvertently mistyped
...One of the patches, possibly MAPREDUCE-181, inadvertently mistyped TestMiniMRWithDFS.testWithDFSWithDefaultPort to tesWithDFSWithDefaultPort. As a result it wouldn't run as a JUnit test....
, 2010-01-05, 15:58
[MAPREDUCE-1099] Setup and cleanup tasks could affect job latency if they are caught running on bad nodes
...We found cases on our clusters where a setup task got scheduled on a bad node and took upwards of several minutes to run, adversely affecting job runtimes. Speculation did not help here as s...
, 2009-12-14, 20:01
[MAPREDUCE-514] Check for invalid queues in capacity scheduler
...The ResourceManagerConf class that is being moved to the capacity scheduler of HADOOP-3445 needs to check for a queue name that is not configured in the resource-manager-conf.xml file in its...
, 2009-11-17, 06:26
[MAPREDUCE-860] Modify Queue APIs to support a hierarchy of queues
...MAPREDUCE-853 proposes to introduce a hierarchy of queues into the Map/Reduce framework. This JIRA is for defining changes to the APIs related to queues....
, 2009-09-07, 06:54
[MAPREDUCE-40] Memory management variables need a backwards compatibility option after HADOOP-5881
...HADOOP-5881 modified variables related to memory management without looking at the backwards compatibility angle. This JIRA is to adress the gap. Marking it a blocker for 0.20.1...
, 2009-09-04, 11:07
[MAPREDUCE-67] Few tasks failed while creating the work directory for a job, when job tracker was restarted
...A randomwriter job was running when the job tracker restarted. After the jobtracker restarted, some tasktrackers were sent a reinit action. After this, some new tasks of the random writer we...
, 2009-08-11, 05:39
[MAPREDUCE-380] The test TestMiniMRWithDFS.checkTaskDirectories is checking for task directories incorrectly
...The check for task directories in TestMiniMRWithDFS.checkTaskDirectories seems incorrect. The following code:assertTrue("task tracker dir " + trackerDir + " does not exist.", &...
, 2009-06-20, 07:51
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