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Re: mappers - MapReduce - [mail # dev]
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...Look in the job history file. It has a line for each event of the job including task start and finish. On Jun 26, 2011, at 2:17 AM, Keren Ouaknine wrote: ...
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Author: Owen O'Malley,
2011-06-26, 17:41
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[MAPREDUCE-2506] Create a compatible interface for frameworks that need to clone MapReduce context objects. - MapReduce - [issue]
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...In 0.21 we moved the org.apache.hadoop.mapreduce context objects to interfaces.That made the APIs much better, but broke backwards compatibility for frameworks that need to clone them....
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http://issues.apache.org/jira/browse/MAPREDUCE-2506
Author: Owen O'Malley,
2011-05-17, 21:28
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Re: how to start the customized Child JVM task process of m/r? - MapReduce - [mail # user]
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...2011/4/26 Juwei Shi Of course. Look at launchTask in http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security/src/mapred/org/apache/hadoop/mapred/TaskC...
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Author: Owen O'Malley,
2011-04-26, 16:13
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Re: how to start the customized Child JVM task process of m/r? - MapReduce - [mail # user]
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...On Tue, Apr 26, 2011 at 6:02 AM, Juwei Shi wrote: As you know, Hadoop MapReduce start child JVM processes to run task. I want That currently isn't possible. The best that i...
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Author: Owen O'Malley,
2011-04-26, 15:05
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[MAPREDUCE-2361] Distributed Cache is not adding files to class paths correctly - MapReduce - [issue]
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...I am trying to add files into class path using:DistributedCache.addFileToClassPathIf file path is relative path like: /user/dir1/dir2/a.jar everything is ok means if I try to get these files...
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http://issues.apache.org/jira/browse/MAPREDUCE-2361
Author: Owen O'Malley,
2011-03-11, 04:51
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[MAPREDUCE-1478] Separate the mapred.lib and mapreduce.lib classes to a different jar and include the user jar ahead of the lib jar. - MapReduce - [issue]
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...Currently the user can't include updated library jars as part of their job. By pulling out the lib classes we can include the classes (eg. TextInputFormat) in the user's jar and get their ve...
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http://issues.apache.org/jira/browse/MAPREDUCE-1478
Author: Owen O'Malley,
2011-01-18, 19:20
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Re: split locations - MapReduce - [mail # user]
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...On Fri, Jan 14, 2011 at 3:09 AM, Pedro Costa wrote: It requests that the map runs on one of those machines or on the same rack as one of those machines. Currently there is...
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Author: Owen O'Malley,
2011-01-14, 17:33
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[MAPREDUCE-2262] Capacity Scheduler unit tests fail with class not found - MapReduce - [issue]
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...Currently the ivy.xml file for the capacity scheduler doesn't include the commons-cli, leading to class not found exceptions....
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http://issues.apache.org/jira/browse/MAPREDUCE-2262
Author: Owen O'Malley,
2011-01-13, 19:35
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[MAPREDUCE-1567] Sharing Credentials between JobConfs leads to unintentional sharing of credentials - MapReduce - [issue]
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...Currently, if code does new JobConf(jobConf), it will share the Credentials. That leads to unintentional sharing....
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http://issues.apache.org/jira/browse/MAPREDUCE-1567
Author: Owen O'Malley,
2011-01-13, 02:28
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[MAPREDUCE-157] Job History log file format is not friendly for external tools. - MapReduce - [issue]
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...Currently, parsing the job history logs with external tools is very difficult because of the format. The most critical problem is that newlines aren't escaped in the strings. That makes usin...
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http://issues.apache.org/jira/browse/MAPREDUCE-157
Author: Owen O'Malley,
2011-01-12, 04:45
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