Two things generally cause this.
1) The Java task does not have sufficient java heap. It pauses often and
because the JVM is paused it does not report status
2) a process like streaming or potentially a UDTF is creating many tuples
or taking a long time to produce a single tuple/row
Hive has som
Hi all,
We've been running into this problem a lot recently on a particular reduce
task. I'm aware that I can work around it by uping the
"mapred.task.timeout".
However, I would like to know what the underlying problem is. How can I
find this out?
Alternatively, can I force a generated hive task
