tillrohrmann commented on a change in pull request #16345:
URL: https://github.com/apache/flink/pull/16345#discussion_r663113670
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File path:
flink-rpc/flink-rpc-core/src/main/java/org/apache/flink/runtime/rpc/RpcSystem.java
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@@ -51,6 +51,9 @@ RpcServiceBuilder remoteServiceBuilder(
@Nullable String externalAddress,
String externalPortRange);
+ /** Hook to cleanup resources, like common thread pools or classloaders. */
+ void cleanup();
Review comment:
One downside is that the call sites are harder to find via `find usages`.
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