Look for "Hadoop the Definitive Guide" or "Hadoop in Practice" in your bookstore. Or search at google for map reduce blogs .... There is a lot of good stuff ... just take it! Good luck and have fun.
2013/12/13 chandu banavaram <[email protected]> > Hi Mirko, > > I doesn't know how to write MapReduce Jobs, so can you please suggest any > website links or can you send any notes to me > > Thank you,for your answer, because of you cleared one doubt. > > with Regards, > chandu. > > > On Thu, Dec 12, 2013 at 7:05 PM, Mirko Kämpf <[email protected]>wrote: > >> The procedure of splitting the larger file into blocks is handled by the >> client. It delivers each block to a DataNode (can be a different one for >> each block, but does not have to be, e.g. in a pseudo distributed cluster >> we have only one node). Replication of the blocks is handled in the cluster >> by DataNodes and later also by the Balancer. Did you dive already into the >> source code of the HDFS client implementation? There you will find the >> details you are looking for. >> >> Best wishes >> Mirko >> >> >> >> 2013/12/12 chandu banavaram <[email protected]> >> >>> Hi Expert, >>> >>> I want to known that when client wants to store data into HDFS who will >>> divide the big data into blocks and then stored in DataNodes. >>> I mean when the client approachs the NameNode to store >>> data who and how the data is dividing into Blocks and then sent it to the >>> DataNodes. >>> >>> please reply me the answer. >>> >>> with Regards, >>> chandu. >>> >> >> >
