---
title: "Varnish"
page_name: "Varnish App for Sumo Logic"
type: "integration"
slug: "varnish"
published_at: "2025-02-20"
modified_at: "2025-05-09"
url: "https://www.sumologic.com/app-catalog/varnish"
canonical: "https://www.sumologic.com/app-catalog/varnish"
markdown_url: "https://www.sumologic.com/app-catalog/varnish.md"
lang: "en"
excerpt: "Monitor the availability, performance and resource utilization of Varnish servers with dashboards and alerts"
taxonomy_integration_use_case:
  - "Operations"
---

[ App Catalog ](https://www.sumologic.com/app-catalog)# Varnish App for Sumo Logic

Monitor the availability, performance and resource utilization of Varnish servers with dashboards and alerts

[ Start free trial ](https://www.sumologic.com/sign-up/)[ Login to Install ](https://service.sumologic.com/)

## Get deep visibility into the operations of your Varnish servers

### Varnish Health

Get instant insight into Varnish server operations by visualizing key metrics and logs

### Optimize Cache Performance

Get insight into overall cache hit and miss rates, origin server requests, expired/evicted objects and cache memory utilization

### Track usage patterns

Track user behavior to understand key bottlenecks to improve your data center location strategy and identify requests from known malicious users

## Varnish Health

The Varnish – Overview Dashboard provides a high-level view of the activity and health of Varnish servers on your network. Dashboard panels display graphs and detailed information around cache hit rates, requests, visitor geographic locations, traffic volume and distribution.

## Varnish Operations

The Varnish – Web Server Operations dashboard provides both high-level and detailed views of error logs, client/server errors, URLs and response code status codes.

## Visitor Insight

The Varnish – Visitor Traffic Insight Dashboard provides detailed information on the top documents accessed, top referrers, top search terms and media types.

## Varnish Alerts

Pre-packaged Sumo Logic alerts help you monitor your Varnish servers, are based on Sumo Logic monitors, leverage metrics and logs and include preset thresholds for backend errors, thread creation, high 4XX or 5XX error rates and access from known malicious sources.

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[AI Instructions](https://www.sumologic.com/ai-instructions.md)