Hi, In the streaming API, the biggest difference is that if you do not disable object reuse, records will be duplicated/copied when forwarding from an operator to the downstream one. If you are sure you work with immutable objects, I'd highly recommend enabling object reuse.
Best, Dawid On 08/05/2021 05:24, 杨力 wrote: > I wrote a streaming job with scala, using only immutable case class. > Is it safe to enable object reuse? Will it get benefits from enabling > object reuse? > > I reached to documents but they cover neither streaming cases nor > immutable data structures.
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