The State Processor API goes a bit in the direction you asking about, by making it possible to query savepoints.
https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/state_processor_api.html <https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/libs/state_processor_api.html> Regards, David On Tue, Mar 10, 2020 at 1:05 PM Aljoscha Krettek <aljos...@apache.org> wrote: > On 10.03.20 11:36, Timothy Victor wrote: > > Can the RocksDB state backend used by Flink be queries from outside, e.g. > > via SQL? > > That's not possible, but you might be interested in queryable state: > > https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/state/queryable_state.html > > > Or maybe a better question, is there a RocksDB SinkFunction that exists?n > > I'm afraid that doesn't exist, and it probably never will because > usually RocksDB is not a distributed system so writing to it from a > parallel stream processing application would most likely not work well. > > Best, > Aljoscha >
