Pandian Ramaiah

MapReduce Job Execution Process – Job initialization

Pandian Ramaiah / September 27, 2016

Hi Hadoopers, I wrote about the first step of the MR Job execution – Job Submission in my earlier post. […]

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 25, 2016

Hi Hadoopers, Here is the next interesting post. We already know (at least, we assume we already!) junit is the […]

Pandian Ramaiah / September 24, 2016

Hi Hadoopers, This is a nasty exception which kicked off my reducer task, which updates my MySQL table with the […]

Pandian Ramaiah / September 24, 2016

Hi Hadoopers, Unfortunately I couldn’t post on time, as I’ve been hit with flu. Here is the post for today. […]

Pandian Ramaiah / September 23, 2016

Hi hadoopers, Previously I have used a custom class for key. Pls check Lab 08 – MapReduce using custom class […]

Pandian Ramaiah / September 22, 2016

Hi, I need to upload the output of my MapReduce to my web server using FTP. Here is how I […]

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 […]

Pandian Ramaiah / September 20, 2016

Hi Hadoopers, This is another simple exercise to read a file from HDFS. You already know from the previous post […]

Pandian Ramaiah / September 19, 2016

Dear Hadoopers, Today’s lecture is about how we can we make use of Map Reduce Counters. As the name implies, […]