[GitHub] [rocketmq] dongeforever commented on issue #3461: Can rocketmq have one master corresponding to two slaves?

[GitBox <gi...@apache.org>]

dongeforever commented on issue #3461:
URL: https://github.com/apache/rocketmq/issues/3461#issuecomment-961662094


   This is the cold data problem。
   For in-sync slave, the master loads data from page cache.
   But for out-of-sync slave, the master needs to load data from disk, this will be much slower than page cache.
   If the incoming tps is large，the out of sync slave may never have the chance to catch up with the master.
   
   IMO，We may need to polish the cold data sync performance.
   
   


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