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sotarok 2011/06/16
infrastructure
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sotarok 2011/01/20
infrastructure
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sotarok 2010/11/27
twitter darkmode > ã‚³ãƒ¼ãƒ‰ã‚’ãƒ‡ãƒ—ãƒã‚¤ã™ã‚‹ã¨ãã«ã¯ã€ãƒªãƒªãƒ¼ã‚¹ã®å‰ã«æ©Ÿèƒ½ã‚’ãƒ–ãƒãƒƒã‚¯ã™ã‚‹ã€ŒDarkmodeã€ã‚’ä½¿ã†ã€‚Twitterã‚’ä½¿ã£ã¦ã„ã¦ã€ã‚ã‚‹æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚ŒãŸã¨æ€ã£ãŸã‚‰å…ƒã«æˆ»ã£ãŸã€ã¨ã„ã£ãŸçµŒé¨“ãŒã‚ã‚‹ã ã‚ã†ã€‚

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sotarok 2010/11/19
mongodb

infrastructure
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Open Source Cloud Computing Infrastructure - OpenStack
The Most Widely Deployed Open Source Cloud Software in the World Deployed by thousands. Proven production at scale. OpenStack is a set of software components that provide common services for cloud infrastructure. BROWSE OPENSTACK COMPONENTSOpenStack is developed by the community. For the community. Learn how to contribute â®• Together, the Linux Foundation and the OpenInfra Foundation unite their gr
sotarok 2010/08/04
cloud

rackspace

openstack

infrastructure
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Rackspaceï¼Œè‡ªç¤¾ã®ã‚¯ãƒ©ã‚¦ãƒ‰ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«
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sotarok 2010/08/03
infrastructure
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TwitterãŒBitTorrentã§é«˜é€Ÿã«ãƒ‡ãƒ—ãƒã‚¤ã—ã¦ã„ã‚‹ä»•çµ„ã¿ã«ã¤ã„ã¦
Twitterã¯ã€åŒç¤¾ã®ä½•åƒå°ã‚‚ã®ã‚µãƒ¼ãƒã«å¯¾ã—ã¦ãƒã‚¤ãƒŠãƒªã‚’ãƒ‡ãƒ—ãƒã‚¤ã™ã‚‹å ´åˆã«ã€ãƒ”ã‚¢ãƒ»ãƒ„ãƒ¼ãƒ»ãƒ”ã‚¢ã‚·ã‚¹ãƒ†ãƒ ã®BitTorrentã‚’åˆ©ç”¨ã—ãŸãƒ„ãƒ¼ãƒ«ã€ŒMurderã€ã‚’ç”¨ã„ã¦ã„ã‚‹ã¨ã€7æœˆ1æ—¥ã®è¨˜äº‹ã€ŒTwitterã®å¤§è¦æ¨¡ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨æŠ€è¡“ã€ã‚ã‚‹ã„ã¯ã‚¯ã‚¸ãƒ©ã®è…¹ã®ä¸ï¼ˆå¾Œç·¨ï¼‰ï½žTwitterã®ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã€ŒUnicornã€ã€ŒKestrelã€ã€ŒFlock DBã€ã€ã§ç´¹ä»‹ã—ã¾ã—ãŸã€‚ Facebookã§ã‚‚BitTorrentã«ã‚ˆã‚‹å¤§è¦æ¨¡ãªãƒ‡ãƒ—ãƒã‚¤ãŒé«˜é€Ÿã«è¡Œã‚ã‚Œã¦ã„ã‚‹ã“ã¨ã¯ã€7æœˆ16æ—¥ã®è¨˜äº‹ã€ŒFacebookã€memcachedã«300TBä»¥ä¸Šã®ãƒ©ã‚¤ãƒ–ãƒ‡ãƒ¼ã‚¿ã‚’ç½®ãå¤§è¦æ¨¡é‹ç”¨ã®å†…å´ã€ã§ç´¹ä»‹ã—ã¾ã—ãŸã€‚ ã©ã†ã‚„ã‚‰å¤§è¦æ¨¡ã‚·ã‚¹ãƒ†ãƒ ã«ãŠã‘ã‚‹ãƒ‡ãƒ—ãƒã‚¤ã§ã¯BitTorrentã®åˆ©ç”¨ãŒé€²ã‚“ã§ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ 7æœˆ15æ—¥ä»˜ã‘ã®Twitter Engineering Blogã«ã€Twitterã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã€Larry Gadeaæ°ã«ã‚ˆã‚‹ã€Œ
sotarok 2010/07/20
deploy

twitter

bittorrent

infrastructure
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Eventually Consistent - Revisited
Eventually Consistent - RevisitedDecember 23, 2008 â€¢ 3261 words I wrote a first version of this posting on consistency models about a year ago, but I was never happy with it as it was written in haste and the topic is important enough to receive a more thorough treatment. ACM Queue asked me to revise it for use in their magazine and I took the opportunity to improve the article. This is that new v
sotarok 2010/07/07
infrastructure
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syslog ã¯ I/O è² è·ãŒé«˜ã„ â†’ daemontool ã«ç§»è¡Œã—ã‚ˆã†ï¼ :: Drk7jp
qmail ã®ãƒã‚°ã‚’ daemontool çµŒç”±ã«ã™ã‚‹æ–¹æ³• ã¾ãšã¯ã€qmail 1.03 å†…ã® FAQ ãƒ†ã‚ã‚¹ãƒˆã® 7.7 é …ã‚’ã¿ã‚‹ã€‚ã¡ã‚‡ã‚ã£ã¨æƒ…å ±ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ã¾ã™ã€‚ 7.7. How do I avoid syslog? It chews up a lot of CPU time and isn't reliable. Answer: Install daemontools (http://pobox.com/~djb/daemontools.html). Make a /var/log/qmail directory, owned by qmaill, mode 2700. Do qmail-start ./Mailbox /usr/local/bin/accustamp \ | setuser qmaill /usr/local/bin/cyclog /var/log/qmail
sotarok 2010/04/25
syslog

daemontools

infrastructure
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ãªãœTwitterã¯ä½Žé…å»¶ã®ã¾ã¾ã‚¹ã‚±ãƒ¼ãƒ«ã§ããŸã®ã‹ ç§’é–“120ä¸‡ã¤ã¶ã‚„ãã‚’å‡¦ç†ã€Twitterã‚·ã‚¹ãƒ†ãƒ ã®â€œä»Šâ€ âˆ’ ï¼ IT
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sotarok 2010/04/21
infrastructure
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sotarok 2008/08/28
infrastructure

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