The Bill Tripled and Nothing Was Deployed
The report, in their words
Finance flags that last month's infrastructure spend is roughly three times the month before. Engineering shipped no new services, instance count is unchanged, and traffic is up about 15%. The leading theory in the thread is that the provider raised prices.
Pull evidence
One item at a time, and nothing here tells you which one matters. Deciding what is worth looking at is most of the diagnosis.
The bill broken down by line item, not by service
Cost grouped by tag
NAT gateway throughput
What runs at 01:00
Where the pieces live
Compute inventory
Stored data volume
Unit prices on the invoice
How the job reaches object storage
0 of 9 inspected. You are not required to open all of them — a real investigation is judged on how few you needed.
What is your diagnosis?
Commit to one. Nothing below is shown until you do.
Guessing wrong and being told exactly why is the point of this page. Reading the answer first is not practice.