Local Broadcast:将数据广播到DN内部的每个线程 Local RoundRobin:在DN内部各线程之间实现数据轮询分发 Split Redistribute:在集群跨DN的并行线程之间实现数据重分布 Split Broadcast:将数据广播到集群所有DN的并行线程 上述新增算子可以分为Local与非Local两类,Local类算子实现了DN内部并行线程间的数据交换,而非Local类算子...
ROUND ROBIN: Round-robin data redistribution can be the final redistribution operation before sending data to the requesting process. It can also be used in an early stage of a query when no redistribution constraints are required. You may see a LOCAL suffix on the redistribution methods in a ...
ROUND ROBIN: Round-robin data redistribution can be the final redistribution operation before sending data to the requesting process. It can also be used in an early stage of a query when no redistribution constraints are required. You may see a LOCAL suffix on the redistribution methods in a ...
ROUND ROBIN: Round-robin data redistribution can be the final redistribution operation before sending data to the requesting process. It can also be used in an early stage of a query when no redistribution constraints are required. You may see a LOCAL suffix on the redistribution methods in ...