There is no such a counter in default Hadoop implementation you can instrument your own code in JobInProgress.java to calculate it,
there is also an implemented counter in JobInProgress, MAP_SLOTS_MILLS, considering both the map tasks occupying multiple slots, but this value also increase when the task is failed, Best, -- Nan Zhu School of Computer Science, McGill University On Monday, 12 November, 2012 at 6:14 PM, Samaneh Shokuhi wrote: > Hi, > I need to do some experience on hadoop source code. > i have modified part of it in MapTask.java class and need to compare the > response time for mapper /job before and after modification .Is it > reported somewhere to see that? > > > Cheers, > Samaneh > >
