Varnish best practices « Kristian Lyngstol's Blog
A while ago I wrote about common Varnish issues, and I think it’s time for an updated version. This time, I’ve decided to include a few somewhat uncommon issues that, if set, can be difficult to spot or track down. A sort of pitfall-avoidance, if you will. I’ll add a little summary with parameters and such at the end. 1. Run Varnish on a 64 bit operating system Varnish works on 32-bit, but was des
High-end Varnish-tuning « Kristian Lyngstol's Blog
Most of the time when I tune varnish servers, the main problem is hit rate. That’s mostly a matter wack the weasel, and fairly straight forward. However, once you go beyond that, things get fun. I’ll take you through a few common tuning tricks. This is also based on no disk I/O too, so either sort that out first or expect different results. The big ones The first thing you want to do is sort your
Varnish HTTP Cache — Varnish HTTP Cache
Varnish HTTP Cache¶ I’m new here, please explain this Varnish thing What is happening¶ 2024-02-06 - SLASH/ 1.0.0-rc1¶ Celebrating the 18th anniversary of Varnish-Cache and the first anniversary of the SLASH/ storage engines today, your Open-Source Varnish-Cache friends from UPLEX have just tagged the first version 1.0.0 candidate of our extension with storage engines (stevedores) and storage route
nginx+squidで画像キャッシュサーバーの作り方 - hideden.hatenablog.com
仕事で画像キャッシュサーバーを構築した時のメモ。大規模事例の設定例が検索してもあまり見つからなかったので同じような境遇の誰かの参考になれば。 ピーク時のトラフィックは数Gbps 画像総容量は数十TB バックエンドのstorageが複数種類 規模とアクセス量とアクセスされる画像の種類が多いので、squidでdisk cacheを使用するとCOSS等を使用してもdiskIOで詰まる為、全てon memory cache。cache容量を確保する為に必然的にcacheサーバーの台数も数十台。 1. squidをsibling構成で並列に並べる cache_peer 10.0.1.1 sibling 80 3130 no-query no-digest proxy-only cache_peer 10.0.1.2 sibling 80 3130 no-query no-digest proxy-o
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