J-HowHuang commented on code in PR #15496: URL: https://github.com/apache/pinot/pull/15496#discussion_r2036153944
########## pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/rebalance/DefaultRebalancePreChecker.java: ########## @@ -77,7 +78,9 @@ public Map<String, RebalancePreCheckerResult> check(PreCheckContext preCheckCont LOGGER.info("Start pre-checks for table: {} with rebalanceJobId: {}", tableNameWithType, rebalanceJobId); - Map<String, RebalancePreCheckerResult> preCheckResult = new HashMap<>(); + // Right now pre-check items are done sequentially. If pre-check items are to be done in parallel, we should not + // use linked hash map but to sort the result in the end + Map<String, RebalancePreCheckerResult> preCheckResult = new LinkedHashMap<>(); Review Comment: A map structure is easier for future developers who wants to check on any specific pre-check item's status (e.g. if we want to abort rebalance if a certain pre-check did not pass). I think a map is better in this sense. -- 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: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org