Thank you very much. I have something to say. Each data is 20KB. The parallelism is 500 and each taskmanager memory is 10G. The memory is enough, and I think the parallelism is big enough. Only the intervalJoin thread is beyond 100% because of rockdb's seek. I am confused that why rockdb's seek taks so long time but get no result. I don't kow how to debug rocksdb in flink.
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