cmccabe commented on code in PR #12636:
URL: https://github.com/apache/kafka/pull/12636#discussion_r971279173
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metadata/src/main/java/org/apache/kafka/metadata/authorizer/StandardAuthorizer.java:
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@@ -138,6 +139,15 @@ public List<AuthorizationResult> authorize(
return results;
}
Review Comment:
The purpose of doing this is to avoid loading the volatile multiple times.
Each time we load a volatile, it is expensive because it requires an
interlocked instruction.
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