Registering the counter is fine, e.g. in `open()`:
lazy val responseCounter: Counter = getRuntimeContext
.getMetricGroup
.addGroup("response_code")
.counter("myResponseCounter")
then, in def asyncInvoke(), I can still only do responseCounter.inc(), but
what I want is responseCou
> I think this is a general issue with the Flink metrics.
Not quite. There are a few instance in Flink were code wasn't updated to
encode metadata as additional labels, and the RocksDB metrics may be one
of them.
Also for RocksDB, you could try setting
"state.backend.rocksdb.metrics.column-fam
