mxm commented on code in PR #586:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/586#discussion_r1187435970
##########
flink-kubernetes-operator-autoscaler/src/main/java/org/apache/flink/kubernetes/operator/autoscaler/config/AutoScalerOptions.java:
##########
@@ -87,28 +88,28 @@ private static ConfigOptions.OptionBuilder
autoScalerConfig(String key) {
public static final ConfigOption<Integer> VERTEX_MAX_PARALLELISM =
autoScalerConfig("vertex.max-parallelism")
.intType()
- .defaultValue(Integer.MAX_VALUE)
+ .defaultValue(200)
.withDescription(
"The maximum parallelism the autoscaler can use.
Note that this limit will be ignored if it is higher than the max parallelism
configured in the Flink config or directly on each operator.");
public static final ConfigOption<Double> MAX_SCALE_DOWN_FACTOR =
autoScalerConfig("scale-down.max-factor")
.doubleType()
- .defaultValue(0.6)
+ .defaultValue(1.0)
Review Comment:
My bad, `0.5` should not work either. I somehow thought this was set to
`0.4` which would prevent scaling to 1.
I think this feature might not work as intended based on how it is
implemented.
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