Recurring Billing Pipeline
STAGE I: INGESTION STAGE II: DISPATCH & THROTTLE STAGE III: EXECUTION & DURABILITY 00:00 BATCH JOBS 50/s VALID ON FAIL RE-QUEUE 01. CRON DAILY TRIGGER 02. QUERY FETCH DUE TXS 03. FAN-OUT PARALLEL JOBS 04. THROTTLE GATE GATEWAY 05. PROCESS EXECUTE CHARGE 06. MUTATE UPDATE BALANCE 07. RETRY ISOLATE & RESUME