Masoud, Can you be a little more concrete on why streaming will not work for you?
http://hadoop.apache.org/common/docs/r0.15.2/streaming.html Kindest regards. Ron On Tue, Dec 27, 2011 at 8:17 PM, Masoud <[email protected]> wrote: > Thank for your reply^^ > but question is how we can write map reduce in C# without using Java > abstract classes and interfaces of Hadoop, should we only > write C# code according to map/reduce app logic? > what do you mean of app can run standalone? you mean its should be .exe or > .dll? > did you do map/reduce by C# & Hadoop before? > Oh, lot of question. sorry ... > > B.S > > > On 12/27/2011 06:13 PM, Harsh J wrote: > >> I haven't used Mono but if your written program can run as a standalone >> and read from stdin and write to stdout, then streaming is sufficient to >> run your C# MR programs. >> >> On 27-Dec-2011, at 2:31 PM, Masoud wrote: >> >> Dear All, >>> any one did it before: map/reduce by C#& Hadoop ??? >>> >>> As you know for developing map/reduce app in hadoop we should extend and >>> implement special map and reduce abstract classes and interfaces, >>> and Hadoop pipes is for C++ not C#. The question is what we should do >>> for C#? >>> >>> *IS IT RIGHT THAT * >>> 1- Just develop our C# code (maybe its better with MonoDevelop) >>> according to map/reduce abstract logic by developing map and reduce classes >>> 2- Then introduce the map and reduce classes to the hadoop streaming. >>> >>> Does hadoop streaming work with .ddl file? >>> >>> Thanks for your help. >>> >> >
