I am executing a Pig script on Elastic MapReduce. It runs fine over one
day's worth of data, but when I increase my dataset size to 30 days, the
reducers have started failing with the following error:
java.lang.Throwable: Child Error
Caused by: java.io.IOException: *Task process exit with nonzero status of
I can't find any status code lookup tables in the documentation, so I can't
be certain what the root cause of the error is.
I suspect it is an out of memory problem on the reducer nodes, but I can't
be certain. Can anyone help?