{"id":1993,"date":"2018-04-30T19:47:01","date_gmt":"2018-04-30T10:47:01","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=1993"},"modified":"2023-05-27T21:46:50","modified_gmt":"2023-05-27T12:46:50","slug":"%e3%80%90oracle%e3%82%a2%e3%83%bc%e3%82%ad%e3%83%86%e3%82%af%e3%83%81%e3%83%a3%e3%80%91%e3%80%8c%e5%85%b1%e6%9c%89%e3%83%97%e3%83%bc%e3%83%ab%e3%80%8d%e3%81%ae%e6%a7%8b%e9%80%a0%e3%81%ab%e3%81%a4","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=1993","title":{"rendered":"\u3010Oracle\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3011\u300c\u5171\u6709\u30d7\u30fc\u30eb\u300d\u306e\u69cb\u9020\u3084\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>\u5171\u6709\u30d7\u30fc\u30eb\u3068\u306f\uff1f<\/h2>\n<p>Oracle\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4e2d\u306e\u3001SGA(\u30b7\u30b9\u30c6\u30e0\u30fb\u30b0\u30ed\u30fc\u30d0\u30eb\u9818\u57df)\u306e\u4e2d\u306b\u5b58\u5728\u3059\u308b\u9818\u57df\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<h2>\u5171\u6709\u30d7\u30fc\u30eb\u306e\u69cb\u9020<\/h2>\n<p>\u5171\u6709\u30d7\u30fc\u30eb\u306f\u3001\u4e3b\u306b\u300c\u30e9\u30a4\u30d6\u30e9\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u3068\u300c\u30c7\u30fc\u30bf\u30fb\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1995\" src=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2018\/04\/\u5171\u6709\u30d7\u30fc\u30eb.png\" alt=\"\" width=\"784\" height=\"522\" srcset=\"http:\/\/www.code-magagine.com\/wp-content\/uploads\/2018\/04\/\u5171\u6709\u30d7\u30fc\u30eb.png 784w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2018\/04\/\u5171\u6709\u30d7\u30fc\u30eb-300x200.png 300w, http:\/\/www.code-magagine.com\/wp-content\/uploads\/2018\/04\/\u5171\u6709\u30d7\u30fc\u30eb-768x511.png 768w\" sizes=\"(max-width: 784px) 100vw, 784px\" \/><\/p>\n<h3>\u30e9\u30a4\u30d6\u30e9\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5<\/h3>\n<h4>\u5171\u6709SQL\u9818\u57df\uff08\u89e3\u6790\u6e08\u307fSQL\u60c5\u5831\uff09<\/h4>\n<p>\u300cSQL\u306e\u89e3\u6790\u7d50\u679c\uff08SQL\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u7406\u89e3\u3067\u304d\u308b\u5f62\u5f0f\u306b\u5909\u63db\u3057\u305f\u3082\u306e\uff09\u300d\u3068\u3001\u300c\u5b9f\u884c\u8a08\u753b\u300d\u304c\u542b\u307e\u308c\u308b\u3002\u89e3\u6790\u3092\u884c\u3046\u969b\u306b\u3001<span style=\"color: #ff0000;\"><strong>\u3053\u306e\u9818\u57df\u306b\u540c\u4e00SQL\u306e\u89e3\u6790\u6e08\u307f\u306e\u7d50\u679c\u304c\u542b\u307e\u308c\u3066\u3044\u308c\u3070\u3001Oracle\u306f\u305d\u308c\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/strong><\/span><\/p>\n<p>\u306a\u304a\u3001\u540c\u4e00\u306eSQL\u304b\u3069\u3046\u304b\u306f\u3001SQL\u306e\u30c6\u30ad\u30b9\u30c8\u3067\u6bd4\u8f03\u3092\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8SQL\u9818\u57df<\/h4>\n<h5>\u30e9\u30f3\u30bf\u30a4\u30e0\u9818\u57df<\/h5>\n<p>SQL\u306e\u5b9f\u884c\u6642\u306b\u4f7f\u7528\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u5927\u90e8\u5206\u304c\u3001\u30bd\u30fc\u30c8\u7b49\u306e\u4f5c\u696d\u9818\u57df\u306b\u4f7f\u308f\u308c\u3066\u3001SQL\u5b9f\u884c\u5f8c\u306b\u89e3\u653e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h5>\u6301\u7d9a\u9818\u57df<\/h5>\n<p>\u5bfe\u5fdc\u3059\u308b\u30ab\u30fc\u30bd\u30eb\u304c\u30af\u30ed\u30fc\u30ba\u3055\u308c\u308b\u307e\u3067\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30e2\u30ea\u7bc0\u7d04\u306e\u305f\u3081\u306b\u306f\u3001<span style=\"color: #ff0000;\"><strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u5074\u3067\u3001\u518d\u3073\u4f7f\u3046\u3053\u3068\u304c\u306a\u3044\u30ab\u30fc\u30bd\u30eb\u306f\u30af\u30ed\u30fc\u30ba\u3059\u3079\u304d<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u30fb\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>SYSTEM\u8868\u9818\u57df\u306b\u3042\u308b\u300c\u30c7\u30fc\u30bf\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u300d\u306e\u60c5\u5831<\/strong><\/span>\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001Oracle\u5185\u90e8\u306e\u69cb\u6210\u60c5\u5831\uff08\u76f4\u8fd1\u3067\u4f7f\u308f\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u5217\u306e\u5b9a\u7fa9\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u6a29\u9650\u7b49\u306e\u60c5\u5831\uff09\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>\u30c7\u30fc\u30bf\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n<p>\u30c7\u30fc\u30bf\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u306e\u60c5\u5831\u306f\u3001\u69d8\u3005\u306a\u51e6\u7406\u3067\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u9818\u57df\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30c7\u30a3\u30b9\u30af\u30a2\u30af\u30bb\u30b9\u306e\u56de\u6570\u3092\u6e1b\u3089\u3057\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3092\u56f3\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5171\u6709\u30d7\u30fc\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u60c5\u5831\u304c\u524a\u9664\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/h2>\n<p>Oracle\u306f\u3001\u5171\u6709\u30d7\u30fc\u30eb\u306b\u4fdd\u7ba1\u3055\u308c\u305f\u60c5\u5831\u306f<span style=\"color: #ff0000;\"><strong>LRU\u30ea\u30b9\u30c8<\/strong><\/span>\u3067\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u306a\u306e\u3067\u3001\u3082\u3057\u65b0\u3057\u3044\u60c5\u5831\u3092\u5171\u6709\u30d7\u30fc\u30eb\u306b\u66f8\u304d\u8fbc\u307e\u306a\u304f\u3066\u306f\u3044\u3051\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306f\u3001<span style=\"color: #ff0000;\"><strong>\u300c\u4f7f\u7528\u3055\u308c\u3066\u304b\u3089\u6700\u3082\u6642\u9593\u304c\u7d4c\u904e\u3057\u305f\u30c7\u30fc\u30bf\u300d<\/strong><\/span>\u3092\u524a\u9664\u3059\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5171\u6709\u30d7\u30fc\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u524a\u9664\u306fOracle\u81ea\u4f53\u306e\u518d\u8d77\u52d5\u306a\u3069\u3067\u884c\u308f\u308c\u307e\u3059\u304c\u5e38\u6642\u7a3c\u50cd\u304c\u6c42\u3081\u3089\u308c\u308bDB\u3092\u5b89\u6613\u306b\u518d\u8d77\u52d5\u306f\u3067\u304d\u307e\u305b\u3093\u3088\u306d\u3002\u305d\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">ALTER SYSTEM FLUSH SHARED_POOL;<\/pre>\n<p>SQL\u306e\u6027\u80fd\u6e2c\u5b9a\u306a\u3069\u3092\u3057\u305f\u3044\u5834\u5408\u306f\u4e0a\u8a18\u306e\u5b9f\u884c\u3092\u3057\u3066\u6e2c\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5171\u6709\u30d7\u30fc\u30eb\u306e\u30b5\u30a4\u30ba\u78ba\u8a8d<\/h2>\n<pre class=\"lang:default decode:true \">SELECT * FROM v$sgastat WHERE name = 'free memory' AND pool = 'shared pool';<\/pre>\n<p>Oracle\u306e\u52d5\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5171\u6709\u30d7\u30fc\u30eb\u3068\u306f\uff1f Oracle\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4e2d\u306e\u3001SGA(\u30b7\u30b9\u30c6\u30e0\u30fb\u30b0\u30ed\u30fc\u30d0\u30eb\u9818\u57df)\u306e\u4e2d\u306b\u5b58\u5728\u3059\u308b\u9818\u57df\u306e\u4e00\u3064\u3067\u3059\u3002 \u5171\u6709\u30d7\u30fc\u30eb\u306e\u69cb\u9020 \u5171\u6709\u30d7\u30fc\u30eb\u306f\u3001\u4e3b\u306b\u300c\u30e9\u30a4\u30d6\u30e9\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u3068\u300c\u30c7\u30fc\u30bf\u30fb\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u306b\u5206\u304b [&hellip;]","protected":false},"author":1,"featured_media":1995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/1993"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1993"}],"version-history":[{"count":12,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/1993\/revisions"}],"predecessor-version":[{"id":20403,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/1993\/revisions\/20403"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/media\/1995"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1993"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}