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1 (C) nabe@slab.ntt.co.jp Internet Week '99 Tutorial (12/16/99) 1 Internet Week ‘99 Tutorial @Yokohama 12/16/99 NTT nabe@slab.ntt.co.jp (C) nabe@slab.ntt.co.jp Internet Week '99 Tutorial (12/16/99) 2 • • • 2 (C) nabe@slab.ntt.co.jp Internet Week '99 Tutorial (12/16/99) 3 Part 1 (C) nabe@slab.ntt.co.jp Internet Week '99 Tutorial (12/16/99) 4 • – – • Cache WWW Cache WWW LAN WAN LAN WAN 3 (C) nabe@sl
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Last.fm – the Blog · Squid Optimization Guide
Squid, is a caching web proxy, and is one of the great many back-end applications that we in the Systems department of Last.FM use to make your experience of the site that little bit smoother. We have Squid deployed as a reverse caching proxy. This worked fine for a while, but over the past few days (as some of you have probably noticed and mentioned on the forums), it began to slow down. I set to
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ã–ã£ãã‚Šæ¦‚è¦ ãƒ”ãƒ¼ã‚¯ã§3000req / sec 毎分コンテンツ更新è¦æ±‚ コンテンツ更新ã®éš›ã¯ä»–所ã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’api経由ã§å—ã‘å–ã‚‹ コンテンツ更新ã«ã¯TheSchwartzを使用 ãªã‚³ãƒ³ãƒ†ãƒ³ãƒ„を色々ã—ã¦ããŸãƒã‚°ã€‚ å°šã€ã“ã“ã«æ›¸ã技術ã¯å¤§åŠãŒå‘¨å›²ã®ã‚®ãƒ¼ã‚¯ãªæ–¹ã€…ã«ã‚µãƒãƒ¼ãƒˆã—ã¦ã‚‚らã£ãŸã‚‚ã®ã§ã€åƒ•è‡ªèº«ãŒä½•ã‹ã—ãŸã‚ã‘ã§ã¯ãªã„。残念ã™ãŽã‚‹ã€‚ æ§‹æˆ internet -> www(squid -> apache) -> app(memcached -> app) -> db フãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ wwwサーãƒãŒapacheã¨squidã‚’å‹•ã‹ã—ã¦ã„る。apacheãŒãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’å—ã‘ã€squidã®ã‚ャッシュãŒæœ‰ã‚Œã°ãれを返ã—ã€ç„¡ã‘ã‚Œã°ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã®appサーãƒã¸proxy。 ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ appサーãƒãŒmemcachedã¨ã‚¢ãƒ—リを動ã‹ã—ã¦ã„る。 ãã‚Œãžã‚Œå†—長化ã—ã¦ã‚‹ã‘ã©ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã®å‰²ã«å°æ•°ã¯å°‘ãªã„。 技術ãŒã‚
Freak: Squidã®ãƒ¡ãƒ¢ï¼ˆã‚ャッシュã—ãªã„è¨å®šï¼‰
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