chia7712 commented on code in PR #15668:
URL: https://github.com/apache/kafka/pull/15668#discussion_r1554626964
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server/src/main/java/org/apache/kafka/server/ClientMetricsManager.java:
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@@ -112,7 +113,7 @@ public ClientMetricsManager(ClientMetricsReceiverPlugin
receiverPlugin, int clie
this.subscriptionMap = new ConcurrentHashMap<>();
this.subscriptionUpdateVersion = new AtomicInteger(0);
this.clientInstanceCache = new SynchronizedCache<>(new
LRUCache<>(CACHE_MAX_SIZE));
- this.expirationTimer = new SystemTimerReaper("client-metrics-reaper",
new SystemTimer("client-metrics"));
+ this.expirationTimer = new
SystemTimerReaper(CLIENT_METRICS_REAPER_THREAD_NAME, new
SystemTimer("client-metrics"));
Review Comment:
Could you add test to check `SystemTimerReaper#close` does close the system
timer? The system timer has inner thread also.
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