Description
ShuffledHashJoin is still useful when:
1) any partition of the build side could fit in memory
2) the build side is much smaller than stream side, the building hash table on smaller side should be faster than sorting the bigger side.
ShuffledHashJoin is still useful when:
1) any partition of the build side could fit in memory
2) the build side is much smaller than stream side, the building hash table on smaller side should be faster than sorting the bigger side.