> ## 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.

# Top Wait Types (signal vs resource), Microsoft SQL Server KPI card, Vortex IQ Nerve Centre

> SQL Server-distinctive - sys.dm_os_wait_stats grouped by wait_type. CXPACKET / PAGEIOLATCH / LCK_M_* climbing = bottleneck.

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

## At a glance

* **Category:** Performance
* **Type:** Key Metrics
* **Chart:** bar\_horizontal
* **Format:** number
* **Time window:** RT/1h

## Calculation

SQL Server-distinctive - sys.dm\_os\_wait\_stats grouped by wait\_type. CXPACKET / PAGEIOLATCH / LCK\_M\_\* climbing = bottleneck.

## Known limitations

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