I just created the jira :) Its brand new so it wont be useful just yet - and also - similar to steve's comment - it is for learning the ecosystem, not the underlying plumbing of distributed java apps. https://issues.apache.org/jira/browse/BIGTOP-1089
On Tue, Sep 24, 2013 at 11:31 AM, ankit nadig <ankitr...@gmail.com> wrote: > thanks a lot! > > > On Tue, Sep 24, 2013 at 6:49 PM, Jay Vyas <jayunit...@gmail.com> wrote: > > > And also, if you want to help out: we are developing blueprints in the > > bigtop project specifically for people who want to learn how real world > > bigdata workflows look. > > > > > > > On Sep 24, 2013, at 4:52 AM, Steve Loughran <ste...@hortonworks.com> > > wrote: > > > > > > Hi. > > > > > > You need to know that we don't really consider Hadoop a good place to > > learn > > > about Java or distributed system programming: it is simply too complex. > > > It's like learning C by writing linux kernel device drivers -so we > > > explicitly warn against trying to do this > > > > > > http://wiki.apache.org/hadoop/HadoopIsNot > > > > > > That said: we do we welcome new developers, and there is even a touch > of > > C > > > code lurking in there too. > > > > > > What I'd recommend is you start not by delving into the code of Hadoop, > > but > > > by learning how to use it: a tool to answer questions about data; a > > > platform you can build bigger applications from. > > > > > > This leads to two possible projects > > > > > > 1. Think of something you are curious about and from which you can grab > > > public datasets from. A lot of government open datasets are really > > > interesting, especially when merged with other datasets. Then analyse > it > > > -if you can find something interesting and new then that's something > you > > > can talk about and get known for. > > > > > > 2. Try writing a web application using Hadoop and its nosql database(s) > > as > > > the back end -either web or mobile device front end, HBase/Accumulo at > > the > > > back, HDFS underneath. This will give you experience in how the stack > > fits > > > together. > > > > > > Doing either of these not only gradually introduces you into the world > of > > > Hadoop & friends, it introduces you to the concepts gradually, rather > > than > > > dropping you into source code which is not only big and complex, but > > whose > > > main test setup -a few tens of servers- is a big investment on its own > > > -though renting cluster time from a cloud provider can provide an > > emulation > > > of that rack of machines. > > > > > > It will also make it clear where Hadoop is lacking today -perhaps in > some > > > of the APIs, perhaps in the web site, and its experience on tablets and > > > phones. Coming at those problems with the experience of actual needs > will > > > help shape your thinking in what should be done. > > > > > > Finally, while getting started with Hadoop, yes, you do need to read > that > > > documentation, and sign up to the Hadoop user list [ > > > http://hadoop.apache.org/mailing_lists.html#User] if you want to get > > help > > > getting things to work, code against Hadoop, etc. Questions like that > to > > > the dev list just get ignored (sorry!) > > > > > > > > > -Steve > > > > > > > > > > > >> On 23 September 2013 17:07, ankit nadig <ankitr...@gmail.com> wrote: > > >> > > >> Hi, > > >> im a newbie...i want to learn and contribute to hadoop.I've set up a > > >> single node cluster on ubuntu 12.04 . and i know c,c++ and am > currently > > >> learning Java. I haven't read any documentation and am new to open > > source > > >> as such. > > >> > > >> sorry for wasting ur time and if this is the wrong place for this mail > > but > > >> can u give me any guidance on how to proceed ? > > >> > > >> thank you. > > > > > > -- > > > CONFIDENTIALITY NOTICE > > > NOTICE: This message is intended for the use of the individual or > entity > > to > > > which it is addressed and may contain information that is confidential, > > > privileged and exempt from disclosure under applicable law. If the > reader > > > of this message is not the intended recipient, you are hereby notified > > that > > > any printing, copying, dissemination, distribution, disclosure or > > > forwarding of this communication is strictly prohibited. If you have > > > received this communication in error, please contact the sender > > immediately > > > and delete it from your system. Thank You. > > > -- Jay Vyas http://jayunit100.blogspot.com
