flink rocksdb相关配置优化

table.dynamic-table-options.enabled=true;
state.backend.rocksdb.compaction.style=level;
state.backend.rocksdb.thread.num=8;
table.exec.mini-batch.enabled=true;
table.exec.mini-batch.size=1000;
table.optimizer.distinct-agg.split.enabled=true;
state.backend.rocksdb.block.blocksize=32 kb;
state.backend.rocksdb.writebuffer.number-to-merge=2;
table.exec.mini-batch.allow-latency=15s;