showuon commented on code in PR #17575:
URL: https://github.com/apache/kafka/pull/17575#discussion_r1811764255
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storage/src/main/java/org/apache/kafka/server/log/remote/storage/RemoteLogManagerConfig.java:
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@@ -104,7 +104,7 @@ public final class RemoteLogManagerConfig {
(name, value) -> {
if ((int) value < -1 || (int) value == 0) throw new
ConfigException(name, value, "Value can be -1 or greater than 0");
},
- () -> REMOTE_LOG_MANAGER_THREAD_POOL_FALLBACK
+ () -> "[-1,1,...]"
Review Comment:
From the jdk javadoc, It looks like the
[ScheduledThreadPoolExecutor](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/ScheduledThreadPoolExecutor.html#%3Cinit%3E(int))
can allow 0 as the corePoolSize. Maybe we can directly put the validator as
`atLeast(-1)`? WDYT?
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