599166320 commented on issue #13080:
URL: https://github.com/apache/druid/issues/13080#issuecomment-1248999401

   thank  @kfaraz   for your reply. If I want the _defaultTier node to keep the 
hot data of the last 3 days, and the cold node to keep the cold data of the 
last 7 days, how should my retention rules be configured?
   My retention rules are configured as follows:
   ```
   loadByPeriod P3D _defaultTier
   loadByPeriod P7D cold
   dropForever
   ```
   
   Will this meet my needs?
   According to the current implementation of RunRules, the _defaultTier node 
will retain data for 7 days, and retain data for 4 more days. I think it is 
unreasonable, what do you think?


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