kamalcph commented on code in PR #20342:
URL: https://github.com/apache/kafka/pull/20342#discussion_r2290417448


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storage/src/main/java/org/apache/kafka/server/log/remote/storage/RemoteLogManager.java:
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@@ -2050,10 +2047,13 @@ public void close() {
                 } finally {

Review Comment:
   The wait time is set to 10 seconds. The 
[ThreadUtils#shutdownExecutorServiceQuietly](https://sourcegraph.com/github.com/apache/kafka/-/blob/clients/src/main/java/org/apache/kafka/common/utils/ThreadUtils.java?L95)
 waits twice during `shutdown` and `shutdownNow` operations. 
   
   The copy/expiration/follower tasks were already cancelled with interrupt set 
to true. Those are broker background operations. We can also make it graceful 
but it can delay the server shutdown time if the remote storage is slow. 
   
   The RemoteStorageReaderThreadPool which handles the client RemoteFetch 
requests also waits for 10 seconds. Shall we bump this to 30 seconds?



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