Take thread dump of Executor process several times in a short time period and check what each threads are doing at different times which will help to identify the expensive sections in user code.
Thanks, Prabhu Joseph On Sat, Jan 2, 2016 at 3:28 AM, unk1102 <umesh.ka...@gmail.com> wrote: > Sorry please see attached waiting thread log > > < > http://apache-spark-user-list.1001560.n3.nabble.com/file/n25851/Screen_Shot_2016-01-02_at_2.jpg > > > < > http://apache-spark-user-list.1001560.n3.nabble.com/file/n25851/Screen_Shot_2016-01-02_at_2.jpg > > > > > > -- > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/How-to-find-cause-waiting-threads-etc-of-hanging-job-for-7-hours-tp25850p25851.html > Sent from the Apache Spark User List mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > >
