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Re: how to setup Kerberozed Hadoop ? - Hadoop - [mail # user]
...HiHave you already looked at the existing documentation?For apachehttp://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-common/SecureMode.html-For clouderahttp://www.cloudera.com/c...
   Author: Shahab Yunus, 2014-09-15, 19:53
Re: Explanation according to the output of a successful execution - Hadoop - [mail # user]
...How did you fix it? And what is your question now?Regards,ShahabOn Mon, Sep 15, 2014 at 9:18 AM, YIMEN YIMGA Gael <[EMAIL PROTECTED]> wrote: ...
   Author: Shahab Yunus, 2014-09-15, 13:20
Re: Writing output from streaming task without dealing with key/value - Hadoop - [mail # user]
...Examples (the top ones are related to streaming jobs):http://www.infoq.com/articles/HadoopOutputFormathttp://research.neustar.biz/2011/08/30/custom-inputoutput-formats-in-hadoop-streaming/ht...
   Author: Shahab Yunus, 2014-09-10, 18:48
Re: Error when executing a WordCount Program - Hadoop - [mail # user]
...*hdfs://latdevweb02:9000/home/hadoop/hadoop/input*is this is a valid path on hdfs? Can you access this path outside of theprogram? For example using hadoop fs -ls command? Also, was this pat...
   Author: Shahab Yunus, 2014-09-10, 13:19
Re: YARN userapp cache lifetime: can't find core dump - Hadoop - [mail # user]
...Perhaps the following? I get the application logs from here after jobcompletion. This is path on hdfs.yarn.nodemanager.remote-app-log-dirRegards,ShahabOn Tue, Sep 2, 2014 at 4:02 PM, John Li...
   Author: Shahab Yunus, 2014-09-02, 20:13
[expand - 1 more] - Re: job.getCounters returns null in Yarn-based job - Hadoop - [mail # user]
...For those who are interested, this got resolved.The issue was that I was creating more counters than what was configured inthe settings.I upped mapreduce.job.counters.max property to a large...
   Author: Shahab Yunus, 2014-08-23, 00:40
Re: Hadoop InputFormat - Processing large number of small files - Hadoop - [mail # user]
...Have you looked at the WholeFileInputFormat implementations? There arequite a few if search for them...http://hadoop-sandy.blogspot.com/2013/02/wholefileinputformat-in-java-hadoop.htmlhttps:...
   Author: Shahab Yunus, 2014-08-20, 13:19
Relationship between number of reducers and number of regions in the table - Hadoop - [mail # user]
...I couldn't decide that whether it is an HBase question or Hadoop/Yarn.In the utility class for MR jobs integerated with HBase,*org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil, *in the m...
   Author: Shahab Yunus, 2014-08-14, 12:23
Re: One datanode is down then write/read starts failing - Hadoop - [mail # user]
...The reason being that when you write something in HDFS, it guarantees thatit will be written to the specified number of replicas. So if yourreplication factor is 2 and one of your node (out ...
   Author: Shahab Yunus, 2014-07-28, 17:07
Re: Difference between different tar - Hadoop - [mail # user]
...The '-bin' file does not have the source code (bin for binaries) while theother does. You can check and see the major difference in the 'src' foldersunder the top-level directory after unzip...
   Author: Shahab Yunus, 2014-07-21, 13:00
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB