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[expand - 1 more] - Re: how to set system properties for mapper/reducer? - MapReduce - [mail # user]
...If you look at the parameters passed to your mapper/reducer, you should see something like this:  -Djava.library.path=/opt//hadoop/bin/../lib/native/Linux-amd64-64:/tmp/hadoop-hadoop/ma...
   Author: Ted Yu, 2010-10-08, 00:48
JMock - MapReduce - [mail # dev]
...Hi, If you use JMock for unit testing mapred, please drop me a line.  Thanks...
   Author: Ted Yu, 2010-09-27, 22:02
Re: MiniMRCluster not found - MapReduce - [mail # user]
...The source code is located at hadoop-0.20.2+320//src/test/org/apache/hadoop/mapred/MiniMRCluster.java  On Sun, Sep 26, 2010 at 2:23 PM, Johannes.Lichtenberger  wrote:  ...
   Author: Ted Yu, 2010-09-26, 21:34
[expand - 2 more] - Re: Remote connection bottleneck? - MapReduce - [mail # user]
...Why didn't you issue the command from window which had ssh ?  On Sat, Sep 25, 2010 at 6:53 PM, Mario M  wrote:  ...
   Author: Ted Yu, 2010-09-26, 02:22
heap dump on GC overhead limit exceeded error - MapReduce - [mail # dev]
...Hi, We use the following for mapred.child.java.opts:  -Xmx3800m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/usr/local/hadoop/hprof -XX:ErrorFile=/usr/local/hadoop/hadoop/logs/user...
   Author: Ted Yu, 2010-09-20, 01:27
[expand - 1 more] - Re: local job directory customization - MapReduce - [mail # dev]
...https://issues.apache.org/jira/browse/MAPREDUCE-2072 has been logged.  On Mon, Sep 13, 2010 at 3:43 PM, Ted Yu  wrote:  ...
   Author: Ted Yu, 2010-09-16, 04:17
[expand - 1 more] - Re: custom task cleanup even when task is killed? - MapReduce - [mail # user]
...Since I don't know what cleanup you're doing, just a reminder that you may run into: https://issues.apache.org/jira/browse/HADOOP-4829  On Mon, Sep 13, 2010 at 1:43 PM, Chase Bradford w...
   Author: Ted Yu, 2010-09-13, 20:57
Re: How to use distributed cache api - MapReduce - [mail # user]
...Consider using the following to retrieve file:             Path[] cacheFiles=DistributedCache.getFileClassPaths(conf);            ...
   Author: Ted Yu, 2010-09-07, 16:46
Re: Read After Write Consistency in HDFS - MapReduce - [mail # user]
...One possibility, due to the asynchronous nature of your loader, was that the consumer job started before all files from loader were written (propagated) completely.  Can you describe wh...
   Author: Ted Yu, 2010-09-02, 18:45
Re: Is continuous map reduce supported - MapReduce - [mail # user]
...Try this: http://hadoop.apache.org/common/docs/r0.20.0/api/org/apache/hadoop/mapred/lib/ChainReducer.html  On Wed, Sep 1, 2010 at 8:33 PM, Lance Norskog  wrote:  ...
   Author: Ted Yu, 2010-09-02, 03:48
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