Hi Ayon, I am using a C executable as my mapper (streaming), but I am not sure how to use a reducer that concatenates the values from a mapper in order.
Regards, Daniel T. Yehdego Computational Science Program University of Texas at El Paso, UTEP [email protected] > Date: Mon, 19 Sep 2011 22:54:46 -0700 > From: [email protected] > Subject: Re: Reducer to concatenate string values > To: [email protected] > > What are you using for your map/reduce? Streaming/Java/Pig/Hive? > > -Ayon > See My Photos on Flickr > Also check out my Blog for answers to commonly asked questions. > > > > ________________________________ > From: Daniel Yehdego <[email protected]> > To: [email protected] > Sent: Monday, September 19, 2011 10:43 PM > Subject: Reducer to concatenate string values > > > Good evening, > I have a certain value output from a mapper and I want to concatenate the > string outputs using a Reducer (one reducer).But the order of the > concatenated string values is not in order. How can I use a reducer that > receives a value from a mapper output and concatenate the strings in order. > waiting your response and thanks in advance. > > Regards, > > Daniel T. Yehdego > Computational Science Program > University of Texas at El Paso, UTEP > [email protected]
