Re: Controlling on which node a reducer will be executed

2012-08-30 Thread Eduard Skaley
Thank you for your reply. I really need this feature, because this will boost up execution of my use case a lot. Could you give me a hint where to look to get a good starting point for implementation? Hi Eduard, This isn't impossible, just unavailable at the moment. See

Re: Controlling on which node a reducer will be executed

2012-08-29 Thread Eduard Skaley
Thank you for your reply Harsh J. I really need this feature, because this will boost up execution of my use case a lot. Could you give me a hint where to look in the sources to get a good starting point for implementation? Which classes are involved? Hi Eduard, This isn't impossible, just

Re: Controlling on which node a reducer will be executed

2012-08-29 Thread Eduard Skaley
Thank you for your reply Harsh J. I really need this feature, because this will boost up execution of my use case a lot. Could you give me a hint where to look in the sources to get a good starting point for implementation? Which classes are involved? Hi Eduard, This isn't impossible, just

Controlling on which node a reducer will be executed

2012-08-27 Thread Eduard Skaley
Hi, i have a question concerning the execution of reducers. To use effectively the data locality of blocks in my use case i want to control on which node a reducer will be executed. In my scenario i have a chain of map-reduce jobs where each job will be executed by exactly N reducers. I want to