Hi Rishabh, I didn't know anything about Hadoop a few months ago, and I started from the very beginning. I don't suggest you to start with online documentation, that is always fragmented, incomplete and sometimes not even up to date. Also starting by directly using Hadoop is the fastest way to frustration and will just take you to abandon this technology. I can suggest you two books I used to start with, and they have been quite helpful for someone who didn't even know what mapreduce is. They provide many examples and use cases (especially the first one): - OReilly - "Hadoop The Definitive Guide 3rd Edition". This is quite old but, other than the coding part, it could explain quite well what hadoop is, what it does and how it works. It is mainly about old versions of Hadoop, but I believe it's something you should know, even because most of articles online still refer to the pre-YARN terminology. - Addison-Wesley Professional - "Apache Hadoop YARN: Moving beyond MapReduce and Batch Processing with Apache Hadoop 2". This is what you I used to really understand the new hadoop architecture and terminology. Sometimes it gives too many details, but better more than less. It also has a couple of chapters about installing Hadoop.
Good luck Fabio On Sat, Feb 21, 2015 at 3:33 PM, Ted Yu <yuzhih...@gmail.com> wrote: > Rishabh: > You can start with: > http://wiki.apache.org/hadoop/HowToContribute > > There're several components: common, hdfs, YARN, mapreduce, ... > Which ones are you interested in ? > > Cheers > > On Sat, Feb 21, 2015 at 12:18 AM, Bhupendra Gupta <bhupendra1...@gmail.com > > wrote: > >> I have been learning and trying to implement a hadoop ecosystem for one >> of the POC from last 1 month or so and i think that the best way to learn >> is by doing it.. >> >> Hadoop as the concept has lots of implementation and i picked up >> hortonworks sandbox for learning... >> This has helped me in guaging some of the concepts and few practical >> understanding as well. >> >> Happy learning >> >> Sent from my iPhone >> >> Bhupendra Gupta >> >> > On 21-Feb-2015, at 1:39 pm, Rishabh Agrawal <ss.rishab...@gmail.com> >> wrote: >> > >> > Hello, >> > >> > Please tell me where can i learn the concepts of Big Data and Hadoop >> from the scratch. Please provide some links online. >> > >> > >> > >> > Rishabh Agrawal >> > >