iamqq23ue opened a new issue #3536:
URL: https://github.com/apache/rocketmq/issues/3536


   version:4.9.1
   
   In the discussion of pull request#3382, areyouok mentioned that 
this.mappedByteBuffer.force() has the following 
   
   limitations:
   "If the file does not reside on a local device then no such guarantee is 
made"
   Does this mean that 
   
   RocketMQ can only use local hard drives to ensure syncflush?
   
   I understand that the meaning of this sentence should be that if centralized 
storage is used, the storage 
   
   guarantees the reliability of flush. If centralized storage cannot be used, 
RocketMQ's architecture choices will 
   
   be very limited.


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