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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/07/04 05:59:25 UTC

[GitHub] [rocketmq] gentryhuang commented on issue #4549: A question about deleteExpiredFile function

gentryhuang commented on issue #4549:
URL: https://github.com/apache/rocketmq/issues/4549#issuecomment-1173383084

   > @gentryhuang IMO, users should monitor disk usage before it reaches 0.85. RocketMQ set two level service degradation: when disk usage reaches 0.85, delete oldest files immediately to ease disk pressure for service available(RW); when disk usage reach 0.9, prevent writing for service available(R).
   
   That is, a high disk usage may cause message loss. Do you need to ensure a reasonable disk usage to avoid message loss?
   


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