The Varnish Reference Manual

• VCL
  • Varnish Configuration Language
• Varnish Processing States
  • Introduction
  • Client Side
  • Backend Side
• varnish-cli
  • Varnish Command Line Interface
• varnishadm
  • Control a running Varnish instance
• varnishd
  • HTTP accelerator daemon
• varnishhist
  • Varnish request histogram
• varnishlog
  • Display Varnish logs
• varnishncsa
  • Display Varnish logs in Apache / NCSA combined log format
• varnishstat
  • Varnish Cache statistics
• varnishtest
  • Test program for Varnish
• varnishtop
  • Varnish log entry ranking
• VSM: Shared Memory Logging and Statistics
  • Shared memory trickery
  • The Varnish way:
• VMOD - Varnish Modules
  • VMOD Directory
  • The vmod.vcc file
  • VCL and C data types
  • Private Pointers
  • Event functions
  • When to lock, and when not to lock
  • Updating VMODs
• vmod_std
  • Varnish Standard Module
• vmod_directors
  • Varnish Directors Module
• Writing a Director
  • Backends vs Directors
  • Cluster Directors
  • Dynamic Backends
  • Health Probes
  • Custom Backends
• varnish-counters
  • Varnish counter field definitions
• VSL
  • Varnish Shared Memory Logging
• vsl-query
  • Varnish VSL Query Expressions