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Week 11 · Field delivery

Watch tokens like latency

0:00 / 3:00

15 seconds

Invoice arrived first.

Token use 8× overnight. No page. Finance paged you.

MeterTokens · $AlertSpikeFixBefore invoice
Lesson notesWatch tokens like latency: the short version+

Week 11 · Observability & break-glass · about 3 minutes

What you will be able to do

Alert on Helix token/cost spikes before the invoice, the same way you alert on latency.

The idea

Treat spend as an SLO signal. Alert on token rate and estimated $ per tenant.

Cost incidents are production incidents.

alert: tokens_per_min > 5× baseline
alert: tenant_spend_daily > ceiling*0.8

If Finance sees it first, observability failed.

Key takeaways

  • Meter tokens and $.
  • Alert on spikes.
  • Page before Finance does.

Part of the Forward Deployed Engineer roadmap. New to the role? Start with what a Forward Deployed Engineer does.