> ## 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.

# WLM Queue Length, Amazon Redshift KPI card, Vortex IQ Nerve Centre

> Redshift-distinctive - CloudWatch WLMQueueLength. Sustained queueing = under-provisioned WLM / add concurrency scaling.

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

## At a glance

* **Category:** Capacity
* **Type:** Key Metrics
* **Chart:** kpi
* **Format:** number
* **Time window:** RT/5m
* **Alert trigger:** >5 sustained

## Calculation

Redshift-distinctive - CloudWatch WLMQueueLength. Sustained queueing = under-provisioned WLM / add concurrency scaling.

## Known limitations

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