Ah39 opened a new issue #678: StoreCheckpoint setLogicsMsgTimestamp dont work right , may cause message loss URL: https://github.com/apache/rocketmq/issues/678 setLogicsMsgTimestamp have the two place . In the putMessagePositionInfoWrapper set is not ok . What if the consumer queue file dont flush success when os down. so the message may loss https://github.com/apache/rocketmq/blob/f8a67adde7ce4c1cf6b8e7a0d1d9a1f1aaddbf30/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java#L397-L402 FlushConsumeQueueService do not set the logicsMsgTimestamp right . https://github.com/apache/rocketmq/blob/f8a67adde7ce4c1cf6b8e7a0d1d9a1f1aaddbf30/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java#L1655-L1680
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