Hey Robert, Can you pls share what you are trying to do?
Arun On Jul 30, 2012, at 9:10 AM, Grandl Robert wrote: > Hi, > > I am trying to modify the code for data transfer of intermediate output. > > In this respect, on the reduce side in getMapOuput I want to have the > connection with the TaskTracker(setupSecureConnection), but then on doGet the > TaskTracker to be able to delay the response back to the client. I tried with > Thread.sleep(time), before setting up the response.setHeader(FROM_MAP_TASK, > mapId) and the subsequent headers/content. But it seems the reducer will > continue to read the headers immediately and get NULL. > > Do you know how can I do the reducer to wait for TaskTracker to update this > information before reading it. I tried with a while loop and reading the > connection.getHeaderField(...) till not null but seems it always remains in > the loop :(. > > Probably is more a HttpServlet related problem but I am not very familiar > with that. > > Do you have any idea how can I do it ? > > Thanks, > Robert -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
