mcvsubbu commented on a change in pull request #5631:
URL: https://github.com/apache/incubator-pinot/pull/5631#discussion_r449711597
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File path:
pinot-controller/src/main/java/org/apache/pinot/controller/ControllerStarter.java
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@@ -202,6 +209,20 @@ private void setupHelixSystemProperties() {
CommonConstants.Helix.DEFAULT_FLAPPING_TIME_WINDOW_MS));
}
+ private void setupHelixClusterConstraints() {
+ String maxMessageLimit =
_config.getString(CommonConstants.Helix.CONFIG_OF_HELIX_INSTANCE_MAX_STATE_TRANSITIONS,
+ CommonConstants.Helix.DEFAULT_HELIX_INSTANCE_MAX_STATE_TRANSITIONS);
+ Map<ClusterConstraints.ConstraintAttribute, String> constraintAttributes =
new HashMap<>();
+ constraintAttributes.put(ClusterConstraints.ConstraintAttribute.INSTANCE,
".*");
+ constraintAttributes
+ .put(ClusterConstraints.ConstraintAttribute.MESSAGE_TYPE,
Message.MessageType.STATE_TRANSITION.name());
+ ConstraintItem constraintItem = new ConstraintItem(constraintAttributes,
maxMessageLimit);
+
+ _helixControllerManager.getClusterManagmentTool()
Review comment:
While this may be a good thing to do, we have often experienced issues
with helix, especially the undocumented features. Can we at least make this so
that if the config is not set, then we leave the behavior like before?
Meanwhile. I have asked someone from the helix team to take a look at this.
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