Hi Alexei, You should not use RocksDBMapState directly. Have you went through the doc page regarding working with state[1]? I think you want to use KeyedState, assuming the size of your keyspace. Probably a way to go would be to key your stream and then even ValueState (which will be scoped to that key) might be sufficient. You can configure flink further to use RocksDB as the underlying state backend[2]
Regards, Dawid [1] https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/state/state.html#working-with-state [2] https://ci.apache.org/projects/flink/flink-docs-master/ops/state/state_backends.html#state-backends > On 9 Apr 2018, at 17:41, NEKRASSOV, ALEXEI <an4...@att.com> wrote: > > Hi, > > I’d like to use RocksDB to store a key-value mapping table (with 45 million > keys). > Can someone please point me to an example of RocksDBMapState() constructor > invocation? Or an explanation of constructor arguments?.. > > Thanks, > Alex Nekrassov > nekras...@att.com
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