Hi Min. That's the exact way that Tajo works. For each exec block, only one container is launched to start a task runner in each worker. A task runner can execute multiple tasks of the correspond exec block.
Thanks, Jihoon 2014. 4. 19. 오전 9:15에 "Min Zhou" <coderp...@gmail.com>님이 작성: > Hi all, > > It seems that for each container, TajoQueryMaster will launch an task > through rpc. But this task is for multiple QueryUnitAttempts which will be > on the same node with the same ExecutionBlockId, right? In another words, > in one node, one ExecutionBlockId corresponding to one container, and may > include multiple tasks, right? > > Thanks, > Min > -- > My research interests are distributed systems, parallel computing and > bytecode based virtual machine. > > My profile: > http://www.linkedin.com/in/coderplay > My blog: > http://coderplay.javaeye.com >
