mxm commented on code in PR #762:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/762#discussion_r1489841998
##########
flink-autoscaler/src/main/java/org/apache/flink/autoscaler/config/AutoScalerOptions.java:
##########
@@ -250,6 +252,39 @@ private static ConfigOptions.OptionBuilder
autoScalerConfig(String key) {
.withDescription(
"Max allowed percentage of heap usage during
scaling operations. Autoscaling will be paused if the heap usage exceeds this
threshold.");
+ public static final ConfigOption<Boolean> MEMORY_TUNING_ENABLED =
+ autoScalerConfig("memory.tuning.enabled")
+ .booleanType()
+ .defaultValue(false)
+
.withFallbackKeys(oldOperatorConfigKey("memory.tuning.enabled"))
+ .withDescription(
+ "If enabled, the initial amount of memory
specified for TaskManagers will be reduced according to the observed needs.");
+
+ public static final ConfigOption<MemoryTuning.HeapTuningTarget>
MEMORY_TUNING_HEAP_TARGET =
+ autoScalerConfig("memory.tuning.heap.target-usage")
+ .enumType(MemoryTuning.HeapTuningTarget.class)
+ .defaultValue(MemoryTuning.HeapTuningTarget.AVG)
Review Comment:
Updated to use MAX as the default. Also added extra overhead which is pretty
important for the memory to be able to grow once reduced.
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