OEM 13cR2 - Backup OEM Configuration
OEM Configuration backup is essential in part of your OEM setup as it is requried during backup and recovery of your OEM. It is essential one single command, however 1....
Saturday, March 31, 2018
Hadoop V2 - Software Setup and Environment Configuration
This in continuation with my previous blog on Hadoop V2 Pre-req SetupStep 1[As root - Namenode - Download Hadoop Binaries]Download Hadoop Binarieswget http://www-eu.apache.org/dist/hadoop/common/hadoop-2.7.5/hadoop-2.7.5.tar.gzStep 2[As root - Namenode - Send Hadoop...
Hadoop V2 - Pre-Req Setup
In this blog I discuss on pre-req setup for Hadoop 2 installation, I have made several improvements in the pre-req setup which you will find as compared to my Hadoop...
Sunday, March 4, 2018
Hadoop - ENOENT: No such file or directory (Mapred Task Start)
You get below Error in your Mapreduce job and there are directories which need permission fix. The directories are 1. <HADDOP_LOG>/userlogs to have right permission for mapred 2. mr/userlogs -...
Hadoop V1/V2 - Administrative Commands Starter
In this blog we are going to see some basic administrative commands in Hadoop - 1. Status Report of DFS (Distributed File Systems) hadoop dfsadmin -reportConfigured Capacity: 133660540928 (124.48 GB)Present Capacity:...
Hadoop V1 - Fair Scheduler Configuration
This is in continuation with my previous blog on Mapreduce Config In this blog I am going to Discuss Scheduler Configuration Fair-Scheduler - Below is my mapred-site.xml for Fair Scheduler...
