bipinprasad commented on a change in pull request #3215: Storm3585 - New
compact Constraint config including maxCoLocationCnt
URL: https://github.com/apache/storm/pull/3215#discussion_r384869964
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File path:
storm-server/src/main/java/org/apache/storm/scheduler/resource/strategies/scheduling/ConstraintSolverStrategy.java
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@@ -447,22 +518,24 @@ public boolean isExecAssignmentToWorkerValid(WorkerSlot
worker, SearcherState st
return retMap;
}
- private ArrayList<ExecutorDetails> getSortedExecs(HashSet<String>
spreadComps, Map<String, Map<String, Integer>> constraintMatrix,
+ private ArrayList<ExecutorDetails> getSortedExecs(Map<String, Integer>
spreadCompCnts,
+ Map<String, Set<String>>
constraintMatrix,
Map<String,
Set<ExecutorDetails>> compToExecs) {
ArrayList<ExecutorDetails> retList = new ArrayList<>();
//find number of constraints per component
//Key->Comp Value-># of constraints
- Map<String, Integer> compConstraintCountMap = new HashMap<>();
+ Map<String, Double> compConstraintCountMap = new HashMap<>();
constraintMatrix.forEach((comp, subMatrix) -> {
- int count =
subMatrix.values().stream().mapToInt(Number::intValue).sum();
- //check component is declared for spreading
- if (spreadComps.contains(comp)) {
- count++;
+ double count = subMatrix.size();
+ // check if component is declared for spreading
+ if (spreadCompCnts.containsKey(comp)) {
+ // lower (1 and above only) value is most constrained should
have higher count
+ count += (1_000.0 / spreadCompCnts.get(comp));
Review comment:
Replaced 1000 with component count.
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