> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# On-Demand Consumed Units (24h), Amazon DynamoDB KPI card, Vortex IQ Nerve Centre

> Consumed RCU+WCU on PAY_PER_REQUEST tables - proxy for on-demand spend (cost surface; precise $ needs Cost Explorer / CUR).

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/dynamodb) · [Audit Profile](/nerve-centre/kpi-cards/dynamodb/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/dynamodb/sentiment)**

## At a glance

* **Category:** Capacity & Cost
* **Type:** Supporting Metrics
* **Chart:** line
* **Format:** number
* **Time window:** 24h
* **Alert trigger:** spike >2σ vs 7D baseline

## Calculation

Consumed RCU+WCU on PAY\_PER\_REQUEST tables - proxy for on-demand spend (cost surface; precise \$ needs Cost Explorer / CUR).

## Known limitations

*Known limitations, FAQs, or reconciliation notes specific to this card. Replace this block when authored.*
