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RE: Caused by: java.lang.OutOfMemoryError: Java heap space - Copy Phase - MapReduce - [mail # dev]
...Hope you are using the hadoop2 .How much is configured for mapreduce.task.io.sort.mb..?I also suggest please go through the following link for memory configurations which will direct you..ht...
   Author: Brahma Reddy Battula, 2014-08-04, 04:54
RE: How to find which version of Hadoop or YARN - MapReduce - [mail # user]
...Hi kishore,    Hope following will help you..    /home/hadoop-2.0.5-alpha/bin # ./hadoop version  Hadoop 2.0.5-alpha Subversion http://svn.apache.org/repos/asf/hadoo...
   Author: Brahma Reddy Battula, 2013-12-10, 05:45
RE: Namenode doesn't accurately know datanodes free-space - MapReduce - [mail # user]
...Dear Alex   """Has anyone else experienced this behavior?""""  Yes, I had also experienced and raised jira for same..   Please have look on following issue..  https://iss...
   Author: Brahma Reddy Battula, 2013-10-30, 13:12
RE: enable snappy on hadoop 1.1.1 - MapReduce - [mail # user]
...Problem might be snappy packages may not bulit(While buliding the hadoop you need to include snappy)..      libhadoop.so should contain the snappy packages    Please...
   Author: Brahma Reddy Battula, 2013-10-07, 04:16
RE: modify hdfs block size - MapReduce - [mail # user]
...You can change the block size of existing files with a command like  hadoop distcp -Ddfs.block.size=$[256*1024*1024] /path/to/inputdata /path/to/inputdata-with-largeblocks.   After...
   Author: Brahma Reddy Battula, 2013-09-10, 06:08
[expand - 1 more] - RE: dncp_block_verification log - MapReduce - [mail # user]
...HI Harsh      Thanks for reply...    I am using hadoop-2.0.1    ________________________________  From: Harsh J [[EMAIL PROTECTED]] Sent: Thursday, Ma...
   Author: Brahma Reddy Battula, 2013-05-23, 12:33
[expand - 1 more] - RE: Thanks!! - MapReduce - [mail # user]
...HI Harsh,   yes,we should do like that. For that only I had given reference URL's(below the mail) to understand about the configuration and feature and one more thing description itself...
   Author: Brahma Reddy Battula, 2013-03-19, 03:50
RE: fsck only working on namenode - MapReduce - [mail # user]
...wherever you are running fsck command,it's not getting dfs.http.address(Might be some other configurations are there in classpath where dfs.http.address not configured).  Please check c...
   Author: Brahma Reddy Battula, 2012-11-08, 11:46
RE: ERROR: ssh-copy-id: command not found IN HADOOP DISTRIBUTED MODE - MapReduce - [mail # user]
...I think master machine authorized-key  is missed.    Please do following..    ssh-copy-id -i ~/.ssh/id_rsa.pub {IP of Master machine}..    Before starting ...
   Author: Brahma Reddy Battula, 2012-10-25, 13:08
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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