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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/08/10 04:14:40 UTC

[GitHub] [rocketmq] 88888-IT commented on issue #3240: Why is the reading time from consumerQueue O(1)

88888-IT commented on issue #3240:
URL: https://github.com/apache/rocketmq/issues/3240#issuecomment-895714895


   > ConsumeQueue support read data by message index, as you see:
   
   First of all, thank you. Then, I have a question. For example, if the consumer subscribing to the Topic is test and the Tag is one, how does he know the startIndex when he pulls the message


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