Hi Tim, Reference a blog comes from Ververica:
"When you choose RocksDB as your state backend, your state lives as a serialized byte-string in either the off-heap memory or the local disk." It also contains many tune config options you can consider.[1] Best, Vino [1]: https://www.ververica.com/blog/manage-rocksdb-memory-size-apache-flink Timothy Victor <vict...@gmail.com> 于2019年12月27日周五 上午7:11写道： > For Streaming Jobs that use RocksDB my understanding is that state is > allocated off-year via RocksDB. > > If this is true then does it still make sense to leave 70% (default > taskmanager.memory.fraction) of the heap for Flink Manged memory given that > it is likely not being used for state? Or am I missing something, and it > is in fact still used? > > Thanks > > Tim >
