LIVE BENCH / GCP / ORDER PIPELINE

Event-driven checkout

Keep order events in sequence while demand arrives in bursts.

GCP REFERENCEevent_driven_checkouthuman-loaded / externally operable

LIVE PROJECTION / ORDER / EVENT / ORDERING KEYBENCH READY / TICK 000scroll topology

healthy flowfailure propagationlive signal fieldfailed / unreachable

Availability—

P95 latency—

Error rate—

Achieved RPS—

Public list-price estimate£5,150

SLONOT TESTED

Live controlsHUMAN / OPEN

Scenario

Peak load10,000 req/sMonthly budget9,400 GBP

Human pins0 active

Root causeNOT TESTED

Ordering-key pressure0 depth300 events/s model

No active failure or fault evidence is present; no root cause identified.

Availability zones0 failed

Fault injection0 active

NO ACTIVE FAULTSSelect a node, or use a region-boundary control, to inject latency (ms) or packet loss (%).

Reference and tools

GCP referenceOfficial spec ↗

Pub/Sub ordering keys are limited to 1 MBps per key, with ordering guaranteed for the same key in the same region when enabled on the subscription.

Tool surface SITE TOOLSREGISTERING

Registering 37 tools.

Model boundary

Simulation values are inspectable model assumptions. Pricing is a public list-price estimate, not a bill. One bench, two operators, no silent overwrite.

Snapshot / 2026-08-27