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[MAPREDUCE-915] For secure environments, the Map/Reduce debug script must be run as the user. - MapReduce - [issue]
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...The Taskcontroller model allows admins to set up a cluster configuration that runs tasks as users. The debug script feature of Map/Reduce provided by the configuration options: mapred.map.ta...
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http://issues.apache.org/jira/browse/MAPREDUCE-915
Author: Hemanth Yamijala,
2010-08-24, 21:15
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[MAPREDUCE-893] Provide an ability to refresh queue configuration without restart. - MapReduce - [issue]
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...While administering a cluster using multiple queues, administrators feel a need to refresh queue properties on the fly without needing to restart the JobTracker. This is partially supported ...
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http://issues.apache.org/jira/browse/MAPREDUCE-893
Author: Hemanth Yamijala,
2010-08-24, 21:15
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[MAPREDUCE-862] Modify UI to support a hierarchy of queues - MapReduce - [issue]
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...MAPREDUCE-853 proposes to introduce a hierarchy of queues into the Map/Reduce framework. This JIRA is for defining changes to the UI related to queues. This includes the hadoop queue CLI and...
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http://issues.apache.org/jira/browse/MAPREDUCE-862
Author: Hemanth Yamijala,
2010-08-24, 21:15
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[MAPREDUCE-861] Modify queue configuration format and parsing to support a hierarchy of queues. - MapReduce - [issue]
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...MAPREDUCE-853 proposes to introduce a hierarchy of queues into the Map/Reduce framework. This JIRA is for defining changes to the configuration related to queues. The current format for defi...
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http://issues.apache.org/jira/browse/MAPREDUCE-861
Author: Hemanth Yamijala,
2010-08-24, 21:15
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[MAPREDUCE-853] Support a hierarchy of queues in the Map/Reduce framework - MapReduce - [issue]
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...In MAPREDUCE-824, we proposed introducing a hierarchy of queues in the capacity scheduler. Currently, the M/R framework provides the notion of job queues and handles some functionality relat...
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http://issues.apache.org/jira/browse/MAPREDUCE-853
Author: Hemanth Yamijala,
2010-08-24, 21:15
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[MAPREDUCE-771] Setup and cleanup tasks remain in UNASSIGNED state for a long time on tasktrackers with long running high RAM tasks - MapReduce - [issue]
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...When a high RAM job's task is scheduled on a tasktracker, the number of slots it occupies will be more than one. If enough such tasks are scheduled, there can come a situation when there are...
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http://issues.apache.org/jira/browse/MAPREDUCE-771
Author: Hemanth Yamijala,
2010-08-24, 21:14
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[MAPREDUCE-682] Reserved tasktrackers should be removed when a node is globally blacklisted - MapReduce - [issue]
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...When support was added to reserve tasktrackers for high RAM jobs per MAPREDUCE-516, we missed removing reservations on tasktrackers that are globally blacklisted. This is not a major concern...
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http://issues.apache.org/jira/browse/MAPREDUCE-682
Author: Hemanth Yamijala,
2010-08-24, 21:14
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[MAPREDUCE-522] Rewrite TestQueueCapacities to make it simpler and avoid timeout errors - MapReduce - [issue]
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...We have seen TestQueueCapacities fail periodically and there have been a couple of times fixes partially fixed the problem, the most recent instance being HADOOP-5869. I found another instan...
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http://issues.apache.org/jira/browse/MAPREDUCE-522
Author: Hemanth Yamijala,
2010-08-24, 21:13
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[MAPREDUCE-467] Collect information about number of tasks succeeded / total per time unit for a tasktracker. - MapReduce - [issue]
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...Collecting information of number of tasks succeeded / total per tasktracker and being able to see these counts per hour, day and since start time will help reason about things like the black...
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http://issues.apache.org/jira/browse/MAPREDUCE-467
Author: Hemanth Yamijala,
2010-08-24, 21:13
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Re: Profiling Hadoop Map Reduce with the 20.2 API - MapReduce - [mail # user]
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...David, Is Forrest documentation for MapReduce (http://hadoop.apache.org/common/docs/r0.20.0/mapred_tutorial.html) should be updated. I do see there is mention of these configur...
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Author: Hemanth Yamijala,
2010-08-17, 06:19
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