If the maxVolumeDataSizeMB reaches the hot/warm bucket with the least latest value of latest-time is moved to colddb, the same applies to cold buckets if it happens to the volume:secondary, until the volume is below the maximum size.
- A warm bucket will be pushed to cold (chilled)
- A cold bucket will be pushed to frozen
As of this writing this trim operation, scheduling bucket movement will stop working if the minFreeSpace, 5GB by default is once hit, which will make the situation worse. - This will be enhanced in 6.3.