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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/07/08 14:04:49 UTC

[GitHub] [rocketmq] francisoliverlee commented on issue #3129: MappedFile May cause message loss

francisoliverlee commented on issue #3129:
URL: https://github.com/apache/rocketmq/issues/3129#issuecomment-876468270


   i think so some message may lost casuse of power-off.  messages can flush to disk synchronily by set 
   - message property: MessageConst.PROPERTY_WAIT_STORE_MSG_OK to true 
   - broker config : flushDiskType=FlushDiskType.SYNC_FLUSH
   
   POOR PERFORMANCE also


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