Thanks Imran, but I do appreciate if you explain what this mean and what are the reasons make it happening. I do need it. If there is any documentation somewhere you can simply direct me there so I can try to understand it myself.
best, /Shahab On Sat, Feb 21, 2015 at 12:26 AM, Imran Rashid <iras...@cloudera.com> wrote: > yeah, this is just the totally normal message when spark executes > something. The first time something is run, all of its tasks are > "missing". I would not worry about cases when all tasks aren't "missing" > if you're new to spark, its probably an advanced concept that you don't > care about. (and would take me some time to explain :) > > On Fri, Feb 20, 2015 at 8:20 AM, shahab <shahab.mok...@gmail.com> wrote: > >> Hi, >> >> Probably this is silly question, but I couldn't find any clear >> documentation explaining why one should "submitting... missing tasks from >> Stage ..." in the logs? >> >> Specially in my case when I do not have any "failure" in job execution, I >> wonder why this should happen? >> Does it have any relation to lazy evaluation? >> >> best, >> /Shahab >> > >