Dennis-Mircea commented on code in PR #1099:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/1099#discussion_r3426470571
##########
flink-autoscaler/src/main/java/org/apache/flink/autoscaler/ScalingMetricEvaluator.java:
##########
@@ -588,4 +635,76 @@ protected static double computeEdgeDataRate(
to);
return getRate(ScalingMetric.NUM_RECORDS_OUT, from, metricsHistory);
}
+
+ /**
+ * Executes the provided custom metric evaluator for the given job vertex.
Calls {@link
+ * FlinkAutoscalerEvaluator#evaluateVertexMetrics} to evaluate scaling
metrics.
+ *
+ * @param vertex The job vertex being evaluated.
+ * @param evaluatedMetrics Current evaluated metrics.
+ * @param customEvaluationSession A tuple containing the custom metric
evaluator and evaluation
+ * context.
+ * @return A map of scaling metrics, with its corresponding evaluated
scaling metric.
+ */
+ @VisibleForTesting
+ protected static Map<ScalingMetric, EvaluatedScalingMetric>
runCustomEvaluator(
+ JobVertexID vertex,
+ Map<ScalingMetric, EvaluatedScalingMetric> evaluatedMetrics,
+ Tuple2<FlinkAutoscalerEvaluator, FlinkAutoscalerEvaluator.Context>
+ customEvaluationSession) {
+ try {
+ return customEvaluationSession.f0.evaluateVertexMetrics(
+ vertex, evaluatedMetrics, customEvaluationSession.f1);
+ } catch (UnsupportedOperationException e) {
+ LOG.warn(
+ "Custom metric evaluator {} tried accessing an
un-modifiable view.",
+ customEvaluationSession.f0.getClass(),
+ e);
Review Comment:
Right, that's correct. I removed it!
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