> ## 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.

# PGA Memory Usage %, Oracle Database KPI card, Vortex IQ Nerve Centre

> Total PGA allocated / PGA aggregate target from V$PGASTAT. Over target = work areas spilling to temp tablespace.

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

## At a glance

* **Category:** Capacity
* **Type:** Supporting Metrics
* **Chart:** gauge
* **Format:** percent
* **Time window:** RT
* **Alert trigger:** >85%

## Calculation

Total PGA allocated / PGA aggregate target from V\$PGASTAT. Over target = work areas spilling to temp tablespace.

## Known limitations

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