I was testing flink Gauge metric in my flat map function . I was just sending
a value (end time -start time ) of a DB Op in Flatmap . But on dashboard is
only showing first value instead of updated value .
I am using following code in my flat map .
getRuntimeContext()
.getMetricGroup()
.gauge("DBOpInSec", (Gauge<String>) () -> String.valueOf(
(endTime-startTime)/1000 ));
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