Hi， Pavi thanks for your reply. I have already known the state diagram, but the state of MapReduce is different from state in RMContainerAllocator.
2015-04-10 14:00 GMT+08:00 Ravi Prakash <[email protected]>: > Hi Yang Hao! > > You should be able to find all these transitions in code. It can be > easier to understand with state diagrams you can produce yourself from > the source code (Thanks to great work in MAPREDUCE-2930): > 1. Run mvn -Pvisualize compile > 2. dot -Tpng NodeManager.gv > NodeManager.png; dot -Tpng > ResourceManager.gv > ResourceManager.png; dot -Tpng MapReduce.gv > > MapReduce.png; > > HTH > Ravi > > On 04/08/15 23:56, 杨浩 wrote: > > Hi > > I'm doing some research on MRv2. It would be very helpful for you to > > answer this question. > > > > As RMContainerAllocator allocates resource for MRv2 job. The state of > task > > is pending, scheduled, assigned, completed. When task transfers from > > assigned to completed queue? I think when NM tells RM that a container > > finishes, and MRAM sends a heartbeat to RM, RM tells the MRAM that the > > container finishes, then the task of the container transfers from > assigned > > to completed. Am I right > > > > >
