Can you show snippet of your code which demonstrates what you observed ? Thansk
On Mon, Apr 25, 2016 at 8:38 AM, Weiping Qu <q...@informatik.uni-kl.de> wrote: > Thanks. > I read that from the specification. > I thought the way people distinguish actions and transformations depends > on whether they are lazily executed or not. > As far as I saw from my codes, the reduceByKey will be executed without > any operations in the Action category. > Please correct me if I am wrong. > > Thanks, > Regards, > Weiping > > On 25.04.2016 17:20, Chadha Pooja wrote: > >> Reduce By Key is a Transformation >> >> http://spark.apache.org/docs/latest/programming-guide.html#transformations >> >> Thanks >> >> _________________________________________________________________________________________________ >> >> Pooja Chadha >> Senior Architect >> THE BOSTON CONSULTING GROUP >> Mobile +1 617 794 3862 >> >> >> _________________________________________________________________________________________________ >> >> >> >> -----Original Message----- >> From: Weiping Qu [mailto:q...@informatik.uni-kl.de] >> Sent: Monday, April 25, 2016 11:05 AM >> To: u...@spark.incubator.apache.org >> Subject: reduceByKey as Action or Transformation >> >> Hi, >> >> I'd like just to verify that whether reduceByKey is transformation or >> actions. >> As written in RDD papers, spark flow will not be triggered only if >> actions are reached. >> I tried and saw that the my flow will be executed once there is a >> reduceByKey while it is categorized into transformations in Spark 1.6.1 >> specification. >> >> Thanks and Regards, >> Weiping >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >> For additional commands, e-mail: user-h...@spark.apache.org >> >> >> ______________________________________________________________________________ >> The Boston Consulting Group, Inc. >> This e-mail message may contain confidential and/or privileged >> information. >> If you are not an addressee or otherwise authorized to receive this >> message, >> you should not use, copy, disclose or take any action based on this >> e-mail or >> any information contained in the message. If you have received this >> material >> in error, please advise the sender immediately by reply e-mail and delete >> this >> message. Thank you. >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > >
