Hi Nico, Did you check the jhist file? It has all details about each task.
Best, Sultan > On Apr 5, 2017, at 9:15 PM, Nico Pappagianis > <nico.pappagia...@salesforce.com> wrote: > > Hi all > > I've made some memory optimizations on the reduce task and I would like to > compare the old reducer vs new reducer in terms of maximum memory consumption. > > I have a question regarding the description of the following counter: > > PHYSICAL_MEMORY_BYTES | Physical memory (bytes) snapshot | Total physical > memory used by all tasks including spilled data. > > I'm assuming this means the aggregate of memory used throughout the entire > reduce task (if viewing at the reduce task-level). > Please correct me if I'm wrong on this assumption (the description seems > pretty straightforward). > > Is there a way to get the maximum (not total) memory used by a reduce task > from the default counters? > > Thanks! > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@hadoop.apache.org For additional commands, e-mail: user-h...@hadoop.apache.org