Github user jerryshao commented on the issue:
https://github.com/apache/spark/pull/21084
IIUC, null value will not be serialized (taskMemoryManager is only set in
executor side), maybe Java will leave some footprints, but the overhead should
be very small.
I'm +0 to fix, seems no harm to the codebase.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
