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Re: Running Hadoop v2 clustered mode MR on an NFS mounted filesystem - HDFS - [mail # user]
...Hello Atish,          Number of splits parallel processed  at any instance is dependance upon the your cluster capacity i,e. How many mapper and reduce slots ar...
   Author: sudhakara st, 2014-01-14, 06:53
Re: R for Hadoop - HDFS - [mail # user]
...Hi You find good start up materiel for RHadoop here,  https://github.com/RevolutionAnalytics/rmr2/blob/master/docs/tutorial.md http://bighadoop.wordpress.com/2013/02/25/r-and-hadoop-dat...
   Author: sudhakara st, 2013-05-20, 08:53
Re: namenode memory test - HDFS - [mail # user]
...Every file, directory and block in HDFS is represented as an object in the namenode‚Äôs memory, Namenode consume about average of 150 bytes per each block(object).   On Wed, Apr 24, 2013 ...
   Author: sudhakara st, 2013-04-27, 18:59
Re: Need help for hadoop - HDFS - [mail # user]
...Hi, *data.dfs.dir in hdfs-site.xml**- Determines where on the local filesystem, DFS data node should store its blocks. These are the local directories where the HDFS data written.This value ...
   Author: sudhakara st, 2013-04-27, 18:33
Re: Trouble in running MapReduce application - HDFS - [mail # user]
...Hi,      Your specifying  the input directory in local file system not in HDFS, Copy some text file to using '-put' or '-copyFromLoca'l to HDFS user home directory then t...
   Author: sudhakara st, 2013-02-24, 10:51
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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