> ## 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.

# Tablespace Usage >90%, Oracle Database KPI card, Vortex IQ Nerve Centre

> DBA_TABLESPACE_USAGE_METRICS - a tablespace hitting its autoextend MAXSIZE stalls every write to it (ORA-01653).

**[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:** Nerve Centre
* **Type:** Key Metrics
* **Chart:** alert\_list
* **Format:** number
* **Time window:** RT
* **Alert trigger:** >90% on any permanent tablespace

## Calculation

DBA\_TABLESPACE\_USAGE\_METRICS - a tablespace hitting its autoextend MAXSIZE stalls every write to it (ORA-01653).

## Known limitations

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