ChenSammi commented on code in PR #11454:
URL: https://github.com/apache/ozone/pull/11454#discussion_r4384822085
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hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientManager.java:
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@@ -91,6 +98,10 @@ public XceiverClientManager(ConfigurationSource conf,
Objects.requireNonNull(conf, "conf == null");
long staleThresholdMs = clientConf.getStaleThreshold(MILLISECONDS);
+ // at most one thread, which exits when idle
+ this.closeExecutor = new ThreadPoolExecutor(0, 1, 60, TimeUnit.SECONDS,
Review Comment:
Can we make this LinkedBlockingQueue with no limit? Since it has the chance
to beyond the clientConf.getMaxSize(), and I see you have addressed in the
closeAsync, while if the rejection happens, it will fall back to synchronize
close.
BTW, this LinkedBlockingQueue very unlikely can grow unlimited.
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