[fix-35290][core] fix watermark metrics throw a warning log
@@ -92,7 +92,6 @@ public abstract class AbstractCustomerWaterMarker<T> extends BoundedOutOfOrderne
public void setRuntimeContext(RuntimeContext t) {
this.runtimeContext = t;
eventDelayGauge = new EventDelayGauge();
- t.getMetricGroup().getAllVariables().put("<source_tag>", fromSourceTag);
t.getMetricGroup().gauge(MetricConstant.DT_EVENT_DELAY_GAUGE, eventDelayGauge);
}
