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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/12/06 08:49:26 UTC
[GitHub] [rocketmq] EiletXie opened a new issue #3584: 文档描述设计篇疑问
EiletXie opened a new issue #3584:
URL: https://github.com/apache/rocketmq/issues/3584
ConsumeQueue索引存储的就是commitLog的offset，应该是一级索引才对
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[GitHub] [rocketmq] duhenglucky closed issue #3584: 文档描述设计篇疑问
Posted by GitBox <gi...@apache.org>.
duhenglucky closed issue #3584:
URL: https://github.com/apache/rocketmq/issues/3584
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[GitHub] [rocketmq] guyinyou commented on issue #3584: 文档描述设计篇疑问
Posted by GitBox <gi...@apache.org>.
guyinyou commented on issue #3584:
URL: https://github.com/apache/rocketmq/issues/3584#issuecomment-986587068
Uniquely determine a message through Topic, queueID, and offset. Topic and queueID are determined in the form of filePath, so maybe filePath is the first level index?
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[GitHub] [rocketmq] guyinyou commented on issue #3584: 文档描述设计篇疑问
Posted by GitBox <gi...@apache.org>.
guyinyou commented on issue #3584:
URL: https://github.com/apache/rocketmq/issues/3584#issuecomment-986745021
This is just my understanding, but I think it is very reasonable. After all, it lacks topic and queue information.
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[GitHub] [rocketmq] EiletXie commented on issue #3584: 文档描述设计篇疑问
Posted by GitBox <gi...@apache.org>.
EiletXie commented on issue #3584:
URL: https://github.com/apache/rocketmq/issues/3584#issuecomment-986610548
Thank you for your reply!
Can i understand that we get the ConsumerQueue filePath by the topic ,queueID,this is the first level index,
then we use offset to find the disk location of commitlog,this is the second level index.
so The meaning of the secondary index here is different from that of the database?
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