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[MAPREDUCE-864] Enhance JobClient API implementations to look at history files to get information about jobs that are not in memory - MapReduce - [issue]
...MAPREDUCE-817 added an API to get the JobHistory URL from the JobTracker. This is useful in two ways:1) Users can use this API to get the URL, copy the history files to their local disk, and...
http://issues.apache.org/jira/browse/MAPREDUCE-864    Author: Devaraj Das, 2009-09-15, 09:30
[MAPREDUCE-240] Improve the shuffle phase by using the "connection: keep-alive" and doing batch transfers of files - MapReduce - [issue]
...We should do transfers of map outputs at the granularity of  total-bytes-transferred rather than the current way of transferring a single file and then closing the connection to the ser...
http://issues.apache.org/jira/browse/MAPREDUCE-240    Author: Devaraj Das, 2009-09-11, 04:25
[MAPREDUCE-882] TestJobHistory fails sometimes - MapReduce - [issue]
...Testcase: testDoneFolderOnHDFS took 31.892 secTestcase: testJobHistoryFile took 27.901 sec        FAILEDDuplicate START_TIME seen for task task_200908161937_0001_m_0...
http://issues.apache.org/jira/browse/MAPREDUCE-882    Author: Devaraj Das, 2009-08-20, 04:18
Re: New subproject logos - MapReduce - [mail # dev]
...+1   On 6/26/09 12:12 PM, "Nigel Daley"  wrote:  Here are some logos for the new subprojects http://www.flickr.com/photos/88199325@N00/3661433605/  Please vote +1 if you ...
   Author: Devaraj Das, 2009-06-26, 11:51
[MAPREDUCE-640] Make the Reader for sampling TeraSort input multithreaded - MapReduce - [issue]
...The TeraSort sampler that reads from multiple splits to come up with the partition information can be made multi-threaded, where multiple threads would read from multiple splits concurrently...
http://issues.apache.org/jira/browse/MAPREDUCE-640    Author: Devaraj Das, 2009-06-22, 15:10
[MAPREDUCE-414] Remove the methods controlling comparator options from the JobConf and make them static in the comparator class - MapReduce - [issue]
...It struck me after committing HADOOP-2302 that we should ideally have the getters/setters for the comparator in the comparator class and not in the JobConf....
http://issues.apache.org/jira/browse/MAPREDUCE-414    Author: Devaraj Das, 2009-06-20, 07:57
[MAPREDUCE-390] Corner case exists in detecting Java process deaths that might lead to orphan pipes processes lying around in memory - MapReduce - [issue]
...In HADOOP-2092, the child pipes process periodically pings the parent Java process to find out whether it is alive. The ping cycle is 5 seconds. Consider the following scenario:1) The Java t...
http://issues.apache.org/jira/browse/MAPREDUCE-390    Author: Devaraj Das, 2009-06-20, 07:54
[MAPREDUCE-381] Add framework hooks to get the running/completed/pending tasks for a given job. Add a way to query the list of currently active tasktrackers from the JobTracker. - MapReduce - [issue]
...Add framework hooks to get the IDs of running/completed/pending tasks for a given job. Add a way to query the list of currently active tasktrackers from the JobTracker. These are required to...
http://issues.apache.org/jira/browse/MAPREDUCE-381    Author: Devaraj Das, 2009-06-20, 07:51
[MAPREDUCE-382] Create a test that would inject random failures for tasks in large jobs and would also inject TaskTracker failures - MapReduce - [issue]
...Create a test that would inject random failures for tasks in large jobs and would also inject TaskTracker failures...
http://issues.apache.org/jira/browse/MAPREDUCE-382    Author: Devaraj Das, 2009-06-20, 07:51
[MAPREDUCE-345] Investigate whether the array in the JobInProgress that holds TIP references can be removed - MapReduce - [issue]
...The array, in JobInProgress, that holds the references to TIPs is required now only to serve the clients (web UI via JSPs and JobClient APIs, that traverse the array and create the output). ...
http://issues.apache.org/jira/browse/MAPREDUCE-345    Author: Devaraj Das, 2009-06-20, 07:51
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