Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Symptoms
Final app status: FAILED, exitCode: 10, (reason: Uncaught exception: org.apache.hadoop.yarn.exceptions.InvalidResourceRequestException: Invalid resource request, requested virtual cores < 0, or requested virtual cores > max configured, requestedVirtualCores=16, maxVirtualCores=8
Causes
Each Spark node have at most 8 cores and the max possible number for --executor-cores
is 8
while the configuration requested --executor-cores
to be 16.
Solutions
Set --executor-cores
to be 8.
--executor-cores 8