Hey Varun!
I'm not sure about you actual query; but hive.exec.parallel enable to execute
stages in parallel
The full tez dag is usually "one stage" of the execution (but you should take a
look at the explain).
If you would be using mr engine there might have been some speedup; but in case of te
Hello,
We were wondering what the benefits are of setting hive.exec.parallel to
true. I know that this will execute any possible tasks in parallel. For
example MapReduce stages, sampling stages, merge stages, limit stages etc
will be executed in parallel allowing for the overall job to be complete
