Top "Varnish" questions

Varnish is an open source reverse HTTP proxy with extensive caching abilities, i.e. a web accelerator.

Howto control Varnish and a Browser using Cache-Control: max-age Header in a Rails environment?

Recently I added a Varnish instance to a Rails application stack. Varnish in it's default configuration can be convinced from …

ruby-on-rails caching http-headers varnish
Varnish: cache only specific domain

I have been Googling aggressively, but without luck. I'm using Varnish with great results, but I would like to host …

performance apache dns varnish
How do I set HTTP Headers in Ruby/Sinatra app, hosted on Heroku?

I've got a working app based in Ruby and Sinatra that is deployed on Heroku. I want to take advantage …

ruby http-headers heroku sinatra varnish
Varnish hit-for-pass means?

As Varnish Version 3 has some objects for different operations. For Example, pass is used when it has to retrieve data …

varnish varnish-vcl
varnish 503 service unavailable

My varnish version is 3.0. My server works well while I curl the URLs, but when use varnish cache it return 503 …

caching varnish varnish-vcl http-status-code-503
Haproxy in front of varnish or the other way round?

I can imagine two setups: Load-balance then cache +-- Cache server #1 (varnish) -- App server #1 / Load Balancer (haproxy)-+---- …

architecture varnish haproxy
List contents of varnish cache?

Is there a way to list the contents of the varnish cache storage? Also, it would be nice to somehow …

varnish
How do you choose between Memcached, Redis and Varnish?

I am really very confused about Memcached, Redis and Varnish. I know they are used for caching, but I don't …

django redis memcached varnish
Varnish Cache log not working

varnishlog is returning: _.vsm: No such file or directory Has anyone else seen this before?

varnish
Stripping out select querystring attribute/value pairs so varnish will not vary cache by them

My goal is to "whitelist" certain querystring attributes and their values so varnish will not vary cache between the urls. …

regex query-string varnish varnish-vcl