CoalesceShufflePartitions will merge small partitions into bigger
ones. Say, if you set maxShuffledHashJoinLocalMapThreshold to 32MB,
but the advisoryPartitionSize is 64MB, then the final each reducer
partition size will be close to 64MB. It breaks the
maxShuffledHashJoinLocalMapThreshold. So we sh
dear community,
I want to
set maxShuffledHashJoinLocalMapThreshold to enable convert smj to
hash join,but I found maxShuffledHashJoinLocalMapThreshold must be large
than advisoryPartitionSize. I want to know what happend
if maxShuffledHashJoinLocalMapThreshold < advisoryPartitionSize