Github user kongweihan commented on a diff in the pull request: https://github.com/apache/helix/pull/89#discussion_r116566511 --- Diff: helix-core/src/main/java/org/apache/helix/controller/stages/BestPossibleStateCalcStage.java --- @@ -90,60 +96,86 @@ private BestPossibleStateOutput compute(ClusterEvent event, Map<String, Resource BestPossibleStateOutput output = new BestPossibleStateOutput(); - for (String resourceName : resourceMap.keySet()) { - logger.debug("Processing resource:" + resourceName); + // Reset current INIT/RUNNING tasks on participants for throttling + JobRebalancer.resetActiveTaskCount(cache.getLiveInstances().keySet(), currentStateOutput); - Resource resource = resourceMap.get(resourceName); - // Ideal state may be gone. In that case we need to get the state model name - // from the current state - IdealState idealState = cache.getIdealState(resourceName); + PriorityQueue<JobResourcePriority> jobResourceQueue = new PriorityQueue<JobResourcePriority>(); --- End diff -- What I meant was, I don't seem to see any usage of a "queue". Right now we're not producing jobs into the queue while at the same time consuming jobs from the queue. Right now we have a pre-created set of jobs, sorted by priority, then just looped once. I don't see the necessity of using a priority queue. Does it make sense?
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