varnish ☆
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Description:
High-performance HTTP accelerator
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @varnishcache  |  formulae.brew.sh
Category: Networking
Tags: caching http-accelerator web-performance reverse-proxy devops
Install: brew install varnish
About:
Varnish Cache is a high-performance HTTP accelerator designed for speeding up web servers by caching HTTP responses. It sits in front of web servers like Apache or Nginx, serving cached content directly to clients and reducing backend load. This significantly improves response times and handles heavy traffic loads efficiently.
Key Features:
  • High-performance caching with flexible cache policies
  • VCL (Varnish Configuration Language) for advanced routing and logic
  • Grace mode for serving stale content during backend outages
  • Built-in load balancing and health checking
  • Extensible with Varnish Modules (VMODs)
Use Cases:
  • Accelerating dynamic websites and APIs
  • Protecting web servers from traffic spikes
  • Content aggregation and edge caching for CDNs
  • A/B testing and request routing at the edge
Alternatives:
  • Squid – Squid is a full-featured proxy cache, while Varnish is optimized specifically for HTTP acceleration with a more modern architecture
  • Nginx – Nginx includes caching capabilities but Varnish offers more sophisticated cache invalidation and VCL for complex routing logic
Version History
Detected Version Rev Change Commit
Sep 27, 2025 2:25am 0 VERSION_BUMP a7e7c58a
Sep 16, 2025 1:50am 0 VERSION_BUMP 974c47bd
Sep 16, 2024 1:24am 0 VERSION_BUMP 3b4b7ddf
Sep 13, 2024 7:11pm 0 VERSION_BUMP 46cf248d
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