HDFS – Pandian Teck Talk

java.io.IOException: Filesystem closed

Hi hadoopers, Here is the exception that screwed up me on Saturday night and failed my Mapper task. Mapper is […]

Hi Hadoopers, So we are looking at the 7th circle today – which is the job clean up. MR […]

Hi Hadoopers, We are in 6th circle today, which is the reducer function. A job is submitted by the user, […]

Pandian Ramaiah / September 29, 2016

Hi Hadoopers, The user had submitted his job. He has permissions. We have slots in the cluster. Job setup is […]

Pandian Ramaiah / September 26, 2016

Hi Hadoopers, After publishing many posts about MapReduce code, we’ll see the MR internals like, how the MR job is […]

Pandian Ramaiah / September 21, 2016

Hi Hadoopers, You might have seen my earliest post on how to read from HDFS using APIs. Here is the […]

The Hadoop Distributed File System (HDFS) implements a permissions model for files and directories that shares much of the POSIX […]

Hi, I have drafted some basic commands to read the content from HDFS in my earlier post Basic HDFS commands […]

Hi BigDs, As I’m using single node cluster, I’m trying to store the copy in two different disks in my […]

Hi BigD, I want to share with you a quick demo of replication. Let’s open the DFS health page first. […]