No; you can name operators like this:

stream.map(<mapFunction>).name("MyUniqueMapFunctionName")

On 16.05.2017 14:50, rizhashmi wrote:
thanks for your reply

*latency* metrics appear to be pushed by AbstractStreamOperator.java

latencyGauge = this.metrics.gauge("latency", new LatencyGauge(historySize));

does it mean this methods need to be override?




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