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Re: Running Contrail on hadoop - HDFS - [mail # user]
...Dear Felipe,  Did you set the locale on all machines of the cluster?  Best regards,  Jens...
   Author: Jens Scheidtmann, 2013-09-07, 17:44
Types and SequenceFiles - HDFS - [mail # user]
...Dear list,  I have created a sequence file like this:      seqWriter = SequenceFile.createWriter(fs, getConf(), new Path(hdfsPath), IntWritable.class, BytesWritable.class...
   Author: Jens Scheidtmann, 2013-05-30, 20:09
Re: Who splits the file into blocks - HDFS - [mail # user]
...Dear Sai Sai,  "Hadoop, the definitive guide" says regarding default replica placement:  - first replica is placed on the same node as the client (lowest bandwidth penalty). - seco...
   Author: Jens Scheidtmann, 2013-03-31, 16:30
Re: error copying file from local to hadoop fs - HDFS - [mail # user]
...Dear Ravi,  2013/3/29 Ravi Chandran    What do you mean with standalone mode?  "standalone" in the sense of hadoop docs uses it means, no daemons are running. Everything ...
   Author: Jens Scheidtmann, 2013-03-29, 20:29
Re: Understanding Sys.output from mapper & partitioner - HDFS - [mail # user]
...Hallo Sai,  the interesting bits are, how your job is configured. Depending on how you defined the input to the MR-job, e.g. as a text file you might get this result. Unfortunately, you...
   Author: Jens Scheidtmann, 2013-03-29, 15:56
[expand - 1 more] - Re: 2.0.3-alpha in pseudodristributed mode: How to force examples to run on yarn? (SOLVED) - HDFS - [mail # user]
...Ok, got it:  http://hadoop.apache.org/docs/r2.0.3-alpha/hadoop-project-dist/hadoop-common/SingleCluster.html  didn't tell to set     mapreduce.framework.name   yarn ...
   Author: Jens Scheidtmann, 2013-03-19, 19:23
Re: On a small cluster can we double up namenode/master with tasktrackers? - HDFS - [mail # user]
...David,  You didn't look at how resource intensive your map/reduce jobs are.  Best regards,  Jens...
   Author: Jens Scheidtmann, 2013-03-19, 08:12
Re: question about scheduler rack awareness - HDFS - [mail # user]
...Dear Jin,  you wrote: 10 blocks most fastest ?  hadoop tries hard to run the map tasks on the node, where the data is stored. "Hadoop: The Definitive Guide" has some UML Sequence d...
   Author: Jens Scheidtmann, 2013-03-19, 08:07
Re: CDH4 installation along with MRv1 from tarball - HDFS - [mail # user]
...Rohit,  What are you trying to achieve with two different complete versions of hadoop?  Thanks,  Jens   2013/3/18 rohit sarewar  ...
   Author: Jens Scheidtmann, 2013-03-19, 07:47
Re: executing files on hdfs via hadoop not possible? is JNI/JNA a reasonable solution? - HDFS - [mail # user]
...Hi Julian,  Replying to your original question.   2013/3/17 Julian Bui    There's support in the API for distributing native libraries or executables and creating a symli...
   Author: Jens Scheidtmann, 2013-03-18, 18:44
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