jiajunwang commented on a change in pull request #639: Refine the WAGED
rebalancer to minimize the partial rebalance workload.
URL: https://github.com/apache/helix/pull/639#discussion_r352876082
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/ClusterModelProvider.java
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@@ -43,7 +45,83 @@
*/
public class ClusterModelProvider {
+ private enum RebalanceScopeType {
+ // Set the rebalance scope to cover the difference between the current
assignment and the
+ // Baseline assignment only.
+ PARTIAL,
+ // Set the rebalance scope to cover all replicas that need relocation
based on the cluster
+ // changes.
+ GLOBAL
Review comment:
Agreed.
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