yunchipang commented on code in PR #20372: URL: https://github.com/apache/kafka/pull/20372#discussion_r2292283432
########## tools/src/main/java/org/apache/kafka/tools/LogCompactionTester.java: ########## @@ -246,9 +248,9 @@ public static void main(String[] args) throws Exception { int sleepSecs = optionSet.valueOf(options.sleepSecsOpt); long testId = RANDOM.nextLong(); - String[] topics = IntStream.range(0, topicCount) + Set<String> topics = IntStream.range(0, topicCount) .mapToObj(i -> "log-cleaner-test-" + testId + "-" + i) - .toArray(String[]::new); + .collect(toCollection(LinkedHashSet::new)); Review Comment: @m1a2st thanks for the review! I totally agree with `List` would be more convenient for indexed access, but `Set` is preferred here because 1. semantic clarity: `topics` represents a collection of unique topic names 2. duplicate prevention: `Set` protects against duplicate topics by accident -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org