Hi Andy, As far as I know, Flink does not support feature like that.
I would suggest recording and calculating the time in user code. For example, add a timestamp field (maybe an array) in your record with printing a timestamp on in by each processing. Andy Hoang <a...@parcelperform.com> 于2019年7月22日周一 下午4:49写道: > Hi guys, > > I’m trying to write elk log for flink, this help us to store/calculate > processing time of a group of operators for business auditing. > > I read about process_function and Debugging Windows & Event Time in docs. > They’re focus on “keyed” events and monitoring using web/metric, where I > want to, for example: > > val stream = env.add_source(kafka_source).map(doX).map(doY).filter(Z) > Async.unordedWait(stream, calApiBlah).add_source(kafka_source) > > Track total time from `doY` till before add_source operator(). This kind > of time can be processing time, > or I want to track total time from source to sink of a stream event > (maybe disgesting time?), > So the target is to retrieve out total time of a set of chosen operators > > I think flink should have supported it somehow, but its just me haven’t > found it in the docs yet. > > Thanks, > > Andy, > > >