Re: KeyedStream and keyedProcessFunction

2020-06-09 Thread 1048262223
Hi +1. Because there is no need to generate an instance for each key, flink just maintain the key collection in one instance. Imagine what would happen if the number of keys were unlimited. Best, Yichao Yang -- Original -- From: "Tzu-Li (Gordon) Tai"http:/

Re: KeyedStream and keyedProcessFunction

2020-06-09 Thread Tzu-Li (Gordon) Tai
Hi, Records with the same key will be processed by the same partition. Note there isn't an instance of a keyed process function for each key. There is a single instance per partition, and all keys that are distributed to the same partition will get processed by the same keyed process function inst