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Need YARN - Test job. - HDFS - [mail # user]
...Hi Guys,  we recently installed CDH5 in our test cluster. we need any test job for YARN framework.  we are able to run mapreduce job successfully on YARN framework without code cha...
   Author: Dhanasekaran Anbalagan, 2014-01-02, 22:03
difference b/w distcp and distcp2 - HDFS - [mail # user]
...Hi Guys,  I want to know what is difference between distcp and distcp2  please guide me.  -Dhanasekaran.  Did I learn something today? If not, I wasted it....
   Author: Dhanasekaran Anbalagan, 2013-11-06, 21:14
Reg:HDFS Decommission Design Document. - HDFS - [mail # user]
...Hi Guys,  Where I find Decommission document. I need to know how decommission will really works. Where I can find decommission logs.  How to understand decommission process:  ...
   Author: Dhanasekaran Anbalagan, 2013-06-13, 21:13
Re: How to change default 1024 open files in Linux - HDFS - [mail # user]
...HI Sandeep,  you can try this path   root@dv150:~# *cat /etc/security/limits.d/* *hbase.nofiles.conf  hdfs.conf           mapred.conf     &n...
   Author: Dhanasekaran Anbalagan, 2013-05-07, 16:15
Hadoop Alert Notification via XMPP - HDFS - [mail # user]
...Hi Guys,  I want to implement Xmpp alert with hadoop blacklisted nodes and dead node info. Please guide me How to implement.  It's any other is there for the same. any other Alteri...
   Author: Dhanasekaran Anbalagan, 2013-03-12, 16:54
Killing my HDD with dncp_block_verification.log.prev file - HDFS - [mail # user]
...Hi Guys,  We have Problem with data node.  In our current environment with two replication factor with HDFS file system.  root@dvcliftonhera225* 217G current 1.7T dncp_block_v...
   Author: Dhanasekaran Anbalagan, 2013-03-08, 16:56
Re: DataXceiver error processing WRITE_BLOCK operation src: /x.x.x.x:50373 dest: /x.x.x.x:50010 - HDFS - [mail # user]
...Hi Varun  I believe is not ulimit issue.   /etc/security/limits.conf # End of file *               -      nofile     &nb...
   Author: Dhanasekaran Anbalagan, 2013-03-08, 09:42
Exception in namenode join - HDFS - [mail # user]
...Hi Guys,  I am facing error in my name-node.  2013-02-27 07:21:58,207 ERROR org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader: Encountered exception on operation MkdirOp [leng...
   Author: Dhanasekaran Anbalagan, 2013-02-27, 12:24
How to get Under-replicated blocks information [Location] - HDFS - [mail # user]
...Hi Guys,  I am running three machine cluster, with replication factor 2, I got problem in replica i changed to 2. after I ran fsck  i got  Under-replicated blocks: 71 (0.00348...
   Author: Dhanasekaran Anbalagan, 2013-02-27, 10:17
Re: How to find Replication factor for one perticular folder in HDFS - HDFS - [mail # user]
...HI YouPeng Yang ,  Hi already configured dfs.replication factor=2      /bin/hdfs -getconf -conKey dfs.replication  hdfs@dvcliftonhera227:~$ hdfs -getconf -conKey dfs...
   Author: Dhanasekaran Anbalagan, 2013-02-27, 10:10
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