{"id":1359,"date":"2010-07-26T16:05:00","date_gmt":"2010-07-26T07:05:00","guid":{"rendered":"http:\/\/doodlenote.net\/?p=1359"},"modified":"2010-07-26T16:05:00","modified_gmt":"2010-07-26T07:05:00","slug":"mysql%e3%81%ae%e3%82%b3%e3%83%8d%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"post","link":"https:\/\/doodlenote.net\/?p=1359","title":{"rendered":"MySQL\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3"},"content":{"rendered":"

MySQL\u3067’Too many connections’\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3002
\nhttp:\/\/dev.mysql.com\/doc\/refman\/4.1\/ja\/too-many-connections.html
\n\u30a8\u30e9\u30fc\u901a\u308a\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u591a\u3059\u304e\u308b\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n

MySQL\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u6570\u306f100\u3089\u3057\u3044\u3002
\n\u3053\u308c\u3088\u308a\u591a\u3044\u63a5\u7d9a\u3092\u884c\u3046\u5834\u5408\u306f\u3001max_connections\u5909\u6570\u306e\u5024\u3092
\n100\u3088\u308a\u5927\u304d\u304f\u3057\u3066MySQL\u306e\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u3068\u3044\u3046\u3053\u3068\u3060\u3002<\/p>\n

\u305f\u3060\u3001\u5927\u91cf\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3059\u308b\u539f\u56e0\u3092\u8ffd\u6c42\u3057\u3066
\n\u305d\u3063\u3061\u3092\u89e3\u6c7a\u3059\u308b\u306e\u3082\u5fc5\u8981\u3068\u306f\u601d\u3046\u304c\u2026\u3002<\/p>\n

\u305d\u308c\u304b\u3089\u3001MySQL\u30b5\u30fc\u30d0\u30fc\u3068Web\u30b5\u30fc\u30d0\u30fc\u304c\u5225\u306e\u5834\u5408\u306f
\n\u305d\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u3082\u554f\u984c\u306b\u306a\u308b\u3088\u3046\u3067\u3001<\/p>\n

netstat -te
\n\u3067\u63a5\u7d9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u3001TIME_WAIT\u3067\u305f\u304f\u3055\u3093\u306e\u63a5\u7d9a\u304c\u3042\u308b\u3002
\n\u3069\u3046\u3084\u3089MySQL\u3068\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u304c\u7d42\u4e86\u3057\u3066\u3082\u3057\u3070\u3089\u304f
\n\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306f\u6b8b\u308b\u3089\u3057\u3044\u3002<\/p>\n

\/proc\/sys\/net\/ipv4\/tcp_tw_recycle
\n\u306e\u8a2d\u5b9a\u30921\u306b\u3059\u308b\u3068\u4e0a\u624b\u304f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u3055\u3070\u3044\u3066\u304f\u308c\u308b\u307f\u305f\u3044\u3060\u304c\u3001
\n\u5f71\u97ff\u3082\u3042\u308b\u307f\u305f\u3044\u306a\u306e\u3067\u614e\u91cd\u306b\u3084\u3063\u305f\u307b\u3046\u304c\u3044\u3044\u3002
\n[\u53c2\u8003]
\nhttp:\/\/d.hatena.ne.jp\/d_sea\/20080619\/p1
\nhttp:\/\/www.linux.or.jp\/JF\/JFdocs\/Adv-Routing-HOWTO\/lartc.kernel.obscure.html
\nhttp:\/\/www.atmarkit.co.jp\/fwin2k\/win2ktips\/234netstat\/netstat.html<\/p>\n","protected":false},"excerpt":{"rendered":"

MySQL\u3067’Too many connections’\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3002 http:\/\/dev.mysql.com\/doc\/refman\/4.1\/ja\/too-many-c…Continue reading MySQL\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[3],"class_list":["post-1359","post","type-post","status-publish","format-standard","hentry","category-server","tag-oldblog"],"yoast_head":"\nMySQL\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3 - Memolog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/doodlenote.net\/?p=1359\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3 - 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