Re: How to get TaskId from ContainerId or ApplicationId or Request in Hadoop 0.23??

2012-08-23 Thread Shekhar Gupta
Thanks Vinod. Yes it's the second case where I am working with MR over yarn. When I run a job then for a specific Machine I am trying to compute that how much time the machine takes to execute mapping tasks and reduce tasks. What I am doing now is that I compute time difference between container a

Re: How to get TaskId from ContainerId or ApplicationId or Request in Hadoop 0.23??

2012-08-23 Thread Vinod Kumar Vavilapalli
Moving to yarn-dev, as that is the right place for this discussion. Can you let us know more about what you are trying to accomplish? Working with MapReduce over YARN or your own YARN application? If you are working with MR over YARN, you have to note that TaskId/TaskAttemptID/Map/Reduce task

Re: How to get TaskId from ContainerId or ApplicationId or Request in Hadoop 0.23??

2012-08-23 Thread Robert Evans
There really is no way. The RM also has no knowledge of map tasks vs reduce tasks nor should it know. --Bobby On 8/22/12 8:23 PM, "Shekhar Gupta" wrote: >In ResourceManager, is there any way to findout if the assigned container >is going to execute a mapping task or a reduce task? I can access

How to get TaskId from ContainerId or ApplicationId or Request in Hadoop 0.23??

2012-08-22 Thread Shekhar Gupta
In ResourceManager, is there any way to findout if the assigned container is going to execute a mapping task or a reduce task? I can access objects Container, Application and Request in ResourceManager, can I somehow get TaskId by using any of these objects?? Please let me know a way. Thanks.