---
title: "Cache Hit Ratio — Database Glossary | Xata"
description: "The fraction of data requests served from shared buffers without reading from disk. A healthy ratio is typically above 99% for OLTP workloads."
source: "https://xata.io/glossary/cache-hit-ratio"
---

# Cache Hit Ratio

Monitoring

The fraction of data requests served from shared buffers without reading from disk. A healthy ratio is typically above 99% for OLTP workloads.

Related terms

[Shared Buffers](/glossary/shared-buffers)

[← Back to glossary](/glossary)