Code RoomConsumer offset reset
HardPrep Room Coding #3090

Consumer offset reset

On-callReliability & on-callSenior~20 min

A streaming consumer group reset to the beginning of the log (offset 0) and is reprocessing weeks of events — re-sending emails, re-charging, or re-applying updates. How do you respond?

What a strong answer looks like

Stop the bleeding first (mitigate), then form hypotheses from real signals. Separate root cause from symptom, communicate status as you go, and close with what prevents a repeat.

0:00 of about 20 min
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.