FaxianZhao opened a new issue #12104: URL: https://github.com/apache/druid/issues/12104
Please provide a detailed title (e.g. "Broker crashes when using TopN query with Bound filter" instead of just "Broker crashes"). ### Affected Version Since 0.12.0 ### Description ```org.apache.druid.server.coordination.SegmentLoadDropHandler#requestStatuses``` cache all load/drop request status with LRU strategy, it will cause ABA issue. For example, Step 1: Coordinator ask historical-H drop segment-S Step 2: Coordinator ask historical-H load segment-S Step 3: Coordinator ask historical-H drop segment-S if Step 1 and Step 3 requests gap less than druid.segmentCache.statusQueueMaxSize(default 100), Step 3 will trigger the cache of step 1, and skip remove segment logic. Then Coordinator will ask historical-H to drop segment-S repeatedly, and historical-H always trigger the LRU cache. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
