borisssmidtCET commented on code in PR #14597:
URL: https://github.com/apache/kafka/pull/14597#discussion_r1415344533
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core/src/main/scala/kafka/security/authorizer/AclAuthorizer.scala:
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@@ -409,9 +411,13 @@ class AclAuthorizer extends Authorizer with Logging {
principal: String, host: String, op:
AclOperation, permission: AclPermissionType,
resourceType: ResourceType, patternType:
PatternType): ArrayBuffer[Set[String]] = {
val matched = ArrayBuffer[immutable.Set[String]]()
- for (p <- Set(principal, AclEntry.WildcardPrincipalString);
- h <- Set(host, AclEntry.WildcardHost);
- o <- Set(op, AclOperation.ALL)) {
+ val ps = if (principal == AclEntry.WildcardPrincipalString)
Array(AclEntry.WildcardPrincipalString) else Array(principal,
AclEntry.WildcardPrincipalString)
Review Comment:
creating and merging and iterating sets was slower then iterating arrays.
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