Costs

Rank services, drill into patterns, isolate what changed, attribute savings — group by any label. First call when the cost question has no specific target yet.

"rank services by cost, 7d"

4 services account for 80% of $60K/wk: payments-svc $24K · cart-svc $18K · checkout-svc $11K · ad-svc $7K. Want to drill into the top one?

"yes — top patterns in payments-svc"

Payment_Gateway_Timeout $4.2K/wk · ValkeyCartStore $6.4K/wk · AddItemAsync $2.2K/wk.

"anything new since last week?"

3 drivers added $9.6K/wk — Payment_Gateway_Timeout is brand new (44% of the increase).

You ask	Example answer
rank services by cost, 7d	4 services account for 80% of $60K/wk: payments-svc $24K · cart-svc $18K · checkout-svc $11K · ad-svc $7K.
top patterns in payments-svc	Payment_Gateway_Timeout $4.2K/wk · ValkeyCartStore $6.4K/wk · AddItemAsync $2.2K/wk.
what changed week-over-week?	3 drivers added $9.6K/wk — Payment_Gateway_Timeout is brand new (44% of the increase).
YTD savings, this stack	Reducer filter $48K/yr · Reducer compact $172K/yr · Retriever offload $86K/yr. Total $306K/yr projected.
cost by namespace / severity / region	Cost broken down by any label (namespace, severity, region, ...). Pass two labels for a grid.
available labels	Lists the labels you can filter or group by. Call this if you don't know what's available.

Prerequisites

These tools require the Reporter deployed — it produces the cost metrics they read.