{"id":1098,"date":"2014-09-08T10:00:25","date_gmt":"2014-09-08T01:00:25","guid":{"rendered":"http:\/\/www.skyarch.net\/blog\/?p=1098"},"modified":"2014-09-10T20:53:46","modified_gmt":"2014-09-10T11:53:46","slug":"mysql-%e3%82%b9%e3%83%ad%e3%83%bc%e3%82%af%e3%82%a8%e3%83%aa%e3%83%ad%e3%82%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.skyarch.net\/blog\/mysql-%e3%82%b9%e3%83%ad%e3%83%bc%e3%82%af%e3%82%a8%e3%83%aa%e3%83%ad%e3%82%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/","title":{"rendered":"MySQL \u30b9\u30ed\u30fc\u30af\u30a8\u30ea\u30ed\u30b0\u306b\u3064\u3044\u3066"},"content":{"rendered":"

\u5b9f\u884c\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u30af\u30a8\u30ea\u3092\u8a18\u9332\u3059\u308b\u6a5f\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u9045\u3044\u30af\u30a8\u30ea\u3092\u898b\u3064\u3051\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u306b\u5f79\u7acb\u3066\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u3010\u8a2d\u5b9a\u65b9\u6cd5\u3011
\n\u25cfMySQL5.0\u7cfb\u307e\u3067
\n\u2460 my.cnf\u306b\u3066\u4e0b\u8a18\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u203bmy.cnf\u306b\u8a18\u8f09\u3057\u305f\u3060\u3051\u3067\u306f\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002MySQL\u518d\u8d77\u52d5\u3082\u3057\u304f\u306fset global\u3067\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002
\nlog-slow-queries :
\nlong_query_time : \u6307\u5b9a\u3057\u305f\u79d2\u6570\u4ee5\u4e0a\u304b\u304b\u3063\u305f\u30af\u30a8\u30ea\u3092\u8a18\u9332(default 10\u79d2)<\/p>\n

\u4f8b\uff09\/etc\/my.cnf
\n[mysqld]\nlog-slow-queries = \/var\/lib\/mysql\/slow_query.log
\nlong_query_time = 3
\n\u25cfMySQL5.1\u7cfb\u4ee5\u4e0a
\n\u2460 my.cnf\u306b\u3066\u4e0b\u8a18\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002
\n\u203bmy.cnf\u306b\u8a18\u8f09\u3057\u305f\u3060\u3051\u3067\u306f\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002MySQL\u518d\u8d77\u52d5\u3082\u3057\u304f\u306fset global\u3067\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

slow_query_log : \u30b9\u30ed\u30fc\u30af\u30a8\u30ea\u30ed\u30b0\u306e\u6709\u52b9\/\u7121\u52b9\u3092\u8a2d\u5b9a\u30000(\u307e\u305f\u306f OFF)\u3067\u7121\u52b9\u30011(\u307e\u305f\u306f ON)\u304c\u6709\u52b9
\nslow_query_log_file : \u30ed\u30b0\u51fa\u529b\u5148\u30d5\u30a1\u30a4\u30eb\u540d
\nlong_query_time : \u6307\u5b9a\u3057\u305f\u79d2\u6570\u4ee5\u4e0a\u304b\u304b\u3063\u305f\u30af\u30a8\u30ea\u3092\u8a18\u9332(default 10\u79d2)
\n\u203bMySQL5.1\u304b\u3089\u306f1\u79d2\u672a\u6e80\u306e\u8a2d\u5b9a\u53ef\u80fd<\/p>\n

\u4f8b\uff09\/etc\/my.cnf
\n[mysqld]\n...
\nslow_query_log = 1
\nslow_query_log_file = \/var\/lib\/mysql\/slow_query.log
\nlong_query_time = 3
\n\u2461 set global\u3092\u4f7f\u3063\u3066\u8a2d\u5b9a\u3092\u5909\u66f4
\n$ mysql -u\u30e6\u30fc\u30b6\u540d -p \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d
\nEnter password: [\u30d1\u30b9\u30ef\u30fc\u30c9]\n

set global slow_query_log = 1;
\nset global slow_query_log_file = '\/var\/lib\/mysql\/slow_query.log';
\nset global long_query_time = 3;
\n\u3010\u5099\u8003\u3011
\n\u30a4\u30f3\u30c7\u30af\u30b9\u3092\u4f7f\u7528\u3057\u306a\u3044\u30af\u30a8\u30ea\u3092\u8a18\u9332\u3059\u308b\u5834\u5408\u306f\u3001\u300clog_queries_not_using_indexes\u300d\u3092\u6709\u52b9\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5b9f\u884c\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u30af\u30a8\u30ea\u3092\u8a18\u9332\u3059\u308b\u6a5f\u80fd\u306b\u306a\u308a\u307e\u3059\u3002 \u9045\u3044\u30af\u30a8\u30ea\u3092\u898b\u3064\u3051\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u306b\u5f79\u7acb\u3066\u307e\u3057\u3087\u3046\u3002 \u3010\u8a2d\u5b9a\u65b9\u6cd5\u3011 \u25cfMySQL5.0\u7cfb\u307e\u3067 \u2460 my.cnf\u306b\u3066\u4e0b\u8a18\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u203bmy…<\/p>\n","protected":false},"author":1,"featured_media":374,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"","_original_post":"","footnotes":""},"categories":[24,23],"tags":[103],"class_list":{"0":"post-1098","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-mysql","8":"category-23","9":"tag-mysql","10":"ja"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/1098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/comments?post=1098"}],"version-history":[{"count":3,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/1098\/revisions"}],"predecessor-version":[{"id":1108,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/1098\/revisions\/1108"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media\/374"}],"wp:attachment":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media?parent=1098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/categories?post=1098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/tags?post=1098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}