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_r359099721
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/WagedRebalancer.java
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@@ -296,7 +297,7 @@ public void close() {
// Coordinate baseline recalculation and partial rebalance according to the
cluster changes.
private Map<String, IdealState> computeBestPossibleStates(
ResourceControllerDataProvider clusterData, Map<String, Resource>
resourceMap,
- final CurrentStateOutput currentStateOutput)
+ final CurrentStateOutput currentStateOutput, RebalanceAlgorithm
algorithm)
Review comment:
Less parameters is, in general, preferred. But that is not the high
priority. Correctness is. \
I agree that there could be alternative way to do this. For example,
creating other methods with different parameter list or even re-organize the
whole class design. But all the ways that I tried have made it even more
complicated.
I'm open about any good idea to improve it. But till now, this is the most
clean way that I can see.
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