> Jun Rao via dev <[email protected]> 於 2026年4月17日 凌晨4:57 寫道： > > For Scenario 2: Log Truncation Data Loss, the to_start_time semantic seems > weird to me. A common scenario is that a consumer application has been > stopped for longer than the data retention time and the committed offsets > are out of range. A consumer in this state doesn't seem much different from > a consumer being started for the first time. It seems inconsistent that we > use the latest offset for consumption in one case and the earliest in > another
The core semantic of to_start_time is to read all records since the creation of the group. Hence, the “inconsistent” behavior you mentioned is actually just the strictly consistent application of the group's creation time.
