Also noticed that there are 8 - "dispatcher-event-loop-0 7" and 8 -
"map-output-dispatcher-0 7" all waiting at the same location in the
code that is -
*sun.misc.Unsafe.park(Native Method)*
*java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)*
*java.util.concurrent.locks.Abst
Hi All,
My Spark job hangs here... Looking into the thread dump I noticed that it
hangs here (stack trace given below) on the count action on dataframe
(given below). Data is very small. Its actually not more than even 10 rows.
I noticed some JIRAs about this issue but all are resolved-closed in