horizonzy commented on code in PR #3723:
URL: https://github.com/apache/bookkeeper/pull/3723#discussion_r1060323355
##########
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.java:
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@@ -678,6 +728,38 @@ protected BookieNode selectRandomFromRack(String netPath,
Set<Node> excludeBooki
throw new BKNotEnoughBookiesException();
}
+ /**
+ * Sort the node list by the network location.
+ * The higher the frequency of the network location, it will on the list
head.
+ */
+ private List<Node> sortByCommonRack(List<Node> nodeLists) {
+ Map<String, Integer> map = new HashMap<>();
+ for (Node node : nodeLists) {
+ map.put(node.getNetworkLocation(),
map.getOrDefault(node.getNetworkLocation(), 0) + 1);
+ }
+ List<Object[]> list = new ArrayList<>();
Review Comment:
The size is not unpredictable
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