i3wangyi commented on a change in pull request #348: Adding the configuration
items of the WAGED rebalancer.
URL: https://github.com/apache/helix/pull/348#discussion_r307439040
##########
File path: helix-core/src/main/java/org/apache/helix/model/ClusterConfig.java
##########
@@ -657,6 +678,68 @@ public void enableP2PMessage(boolean enabled) {
_record.setBooleanField(HelixConfigProperty.P2P_MESSAGE_ENABLED.name(),
enabled);
}
+ /**
+ * Set the required Instance Capacity Keys.
+ * @param capacityKeys
+ */
+ public void setInstanceCapacityKeys(List<String> capacityKeys) {
+ if (capacityKeys == null || capacityKeys.isEmpty()) {
Review comment:
For those public methods and the throw exception patterns in several
methods, I have a concern. Because Helix library gets exposed and these changes
will become something cannot be changed in backwards. To be extra safe, do you
know who'll be the client calling the public methods? If it's only helix
controller itself, there's some confidence level of data being passed in,
probably we can avoid some throw statements.
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