jihoonson commented on a change in pull request #9302: Use HashMap for
CoordinatorRuleManager.rules
URL: https://github.com/apache/druid/pull/9302#discussion_r373867988
##########
File path:
server/src/main/java/org/apache/druid/server/router/CoordinatorRuleManager.java
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@@ -80,7 +79,7 @@ public CoordinatorRuleManager(
this.druidLeaderClient = druidLeaderClient;
this.rules = new AtomicReference<>(
- new ConcurrentHashMap<String, List<Rule>>()
+ new HashMap<String, List<Rule>>()
Review comment:
Please use `Collections.emptyMap()`.
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