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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/09/30 01:58:25 UTC

[GitHub] [rocketmq] Jason918 commented on pull request #2290: [ISSUE #2289] Serverless schedule support builtin core

Jason918 commented on pull request #2290:
URL: https://github.com/apache/rocketmq/pull/2290#issuecomment-930686590


   > We can use [RocksDB](https://github.com/facebook/rocksdb) to save delayed messages.
   
   @cserwen we have done this in https://github.com/didi/DDMQ/tree/master/carrera-chronos.
   One of the problems in this way is that Rocksdb needs heavy maintenance when instance get large. Compaction will consume quite a mount of IO and interfere with message writing. So we have to make it an external service, and causing more maintenance work.


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