jiajunwang commented on a change in pull request #520: Refactoring soft
constraints to simply the algorithm and fix potential issues.
URL: https://github.com/apache/helix/pull/520#discussion_r337860562
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/constraints/InstancePartitionsCountConstraint.java
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@@ -29,20 +29,13 @@
* Discourage the assignment if the instance's occupancy rate is above average
* The normalized score will be within [0, 1]
*/
-class InstancePartitionsCountConstraint extends SoftConstraint {
- private static final float MAX_SCORE = 1f;
- private static final float MIN_SCORE = 0f;
-
- InstancePartitionsCountConstraint() {
- super(MAX_SCORE, MIN_SCORE);
- }
+class InstancePartitionsCountConstraint extends UsageSoftConstraint {
@Override
protected float getAssignmentScore(AssignableNode node, AssignableReplica
replica,
ClusterContext clusterContext) {
- float doubleEstimatedMaxPartitionCount = 2 *
clusterContext.getEstimatedMaxPartitionCount();
+ float estimatedMaxPartitionCount =
clusterContext.getEstimatedMaxPartitionCount();
Review comment:
No, I'm trying to remove all the "magic" and hardcoded parts.
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