Hi Ahmad, On Sat, Jul 3, 2010 at 11:21 AM, Ahmad Shahzad <[email protected]> wrote: > > 1) What is the purpose of the HttpServer that is started at port 50060, and > jetty bounded to it. >
This is used for web UI status (just like the jobtracker and namenode web UI), along with map -> reduce intermediate data transfers. > 2) What is the purpose of the TaskTracker that is started at localhost and > port 42641. > This is the tasktracker daemon that communicates with the jobtracker and coordinates tasks on the local machine. Alex
