Flink is slow to write redis. Do you have any ideas for optimization?

flink Write redis It's slow , Do you have any ideas for optimization ？

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Take the answer 1：

We've done it before , First use asynchronous io write in , Probably fast 2～3 Times. , Later use pipline Get on a lot （ This answer is collated from 【③ Group 】Apache Flink China Community ）

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