Hi, What is you Spark version ? Regards,
Olivier. Le lun. 4 mai 2015 à 11:03, <luohui20...@sina.com> a écrit : > hi guys > > when i am running a sql like "select a.name,a.startpoint,a.endpoint, > a.piece from db a join sample b on (a.name = b.name) where (b.startpoint > > a.startpoint + 25);" I found sparksql running slow in minutes which may > caused by very long GC and shuffle time. > > > table db is created from a txt file size at 56mb while table sample > sized at 26mb, both at small size. > > my spark cluster is a standalone pseudo-distributed spark > cluster with 8g executor and 4g driver manager. > > any advises? thank you guys. > > > > -------------------------------- > > Thanks&Best regards! > 罗辉 San.Luo > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org
