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How to tune fileSystem.listFiles("/", true) if you like walk though almost all files - MapReduce - [mail # user]
...Hi, is there a way to tune this?  I walk though the files with:  RemoteIterator listFiles = fileSystem.listFiles(new Path(uri), true); while(listFiles.hasNext()) {     li...
   Author: Christian Schneider, 2013-08-12, 19:33
JobClient methods doesn't have a timeout. --> org.apache.hadoop.ipc.Client.call(...) blocks infinate - MapReduce - [mail # user]
...Hi, it would be nice if we can specify a timeout for JobClient Calls.  If we call JobClient.getJob(...) and the connection breaks, it blocks without getting a timeout. This is because t...
   Author: Christian Schneider, 2013-08-02, 10:42
Re: Browse through HDFS on the File System - MapReduce - [mail # user]
...Hi Pavan, thanks, those two commands i know. I mean a way to do it in a "exploitative" way. Like with "nc".  Best Regards, Christian.   2013/8/1 Pavan Sudheendra  ...
   Author: Christian Schneider, 2013-08-01, 16:10
Re: Access and archive Job Tracker logs - MapReduce - [mail # user]
...I digged a little bit deeper and found an interesting "*mapreduce/history" folder on the JobTracker.  Could you help me how to use these files?   I need to archive them and search ...
   Author: Christian Schneider, 2013-03-14, 17:56
Best Practice: How to start and shutdown a complete cluster or adding nodes when needed (Automated with Java API or Rest) (On EC2) - MapReduce - [mail # user]
...Hi, what is they best way to realize this. On our current scenario we need the cluster only for some overnight processing. Therefore it would be good to shutdown the cluster overnight and st...
   Author: Christian Schneider, 2013-03-04, 15:08
NullPointerException in Spring Data Hadoop with CDH4 - MapReduce - [mail # user]
...Hi, I try to use Spring Data Hadoop with CDH4 to write a Map Reduce Job.  On startup, I get the following exception:  Exception in thread "SimpleAsyncTaskExecutor-1" java.lang.Exce...
   Author: Christian Schneider, 2013-02-12, 12:51
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