{"id":4789,"date":"2020-01-01T00:00:00","date_gmt":"2019-12-31T15:00:00","guid":{"rendered":"https:\/\/majisemi.com\/topics\/uncategorized\/4789\/"},"modified":"2020-01-01T00:00:00","modified_gmt":"2019-12-31T15:00:00","slug":"%e3%80%90oss%e6%83%85%e5%a0%b1%e3%82%a2%e3%83%bc%e3%82%ab%e3%82%a4%e3%83%96%e3%80%91pgpool-ii","status":"publish","type":"post","link":"https:\/\/majisemi.com\/topics\/oss\/4789\/","title":{"rendered":"\u3010OSS\u60c5\u5831\u30a2\u30fc\u30ab\u30a4\u30d6\u3011pgpool-II"},"content":{"rendered":"<p><small><span style=\"border-bottom: solid 5px red;\">\u203b\u5f53\u8a18\u4e8b\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u306f\u3001\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u3067\u6700\u65b0\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/span><\/small><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u30b3\u30f3\u30c6\u30f3\u30c4<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/majisemi.com\/topics\/oss\/4789\/#%E3%80%8Cpgpool-II%E3%80%8D%E3%81%A8%E3%81%AF\" >\u300cpgpool-II\u300d\u3068\u306f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/majisemi.com\/topics\/oss\/4789\/#%E3%80%8Cpgpool-II%E3%80%8D%E5%9F%BA%E6%9C%AC%E6%83%85%E5%A0%B1_%E2%96%A0%E6%A6%82%E8%A6%81\" >\u300cpgpool-II\u300d\u57fa\u672c\u60c5\u5831  \u25a0\u6982\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/majisemi.com\/topics\/oss\/4789\/#%E3%82%A2%E3%83%BC%E3%82%AD%E3%83%86%E3%82%AF%E3%83%81%E3%83%A3_pgpool-II%E3%81%AF%E3%80%81PostgreSQL%E3%81%AE%E3%83%90%E3%83%83%E3%82%AF%E3%82%A8%E3%83%B3%E3%83%89%E3%83%95%E3%83%AD%E3%83%B3%E3%83%88%E3%82%A8%E3%83%B3%E3%83%89%E3%83%97%E3%83%AD%E3%83%88%E3%82%B3%E3%83%AB%E3%82%92%E7%90%86%E8%A7%A3%E3%81%97%E3%80%81%E3%83%90%E3%83%83%E3%82%AF%E3%82%A8%E3%83%B3%E3%83%89%E3%81%A8%E3%83%95%E3%83%AD%E3%83%B3%E3%83%88%E3%82%A8%E3%83%B3%E3%83%89%E3%81%AE%E9%96%93%E3%81%A7%E3%83%A1%E3%83%83%E3%82%BB%E3%83%BC%E3%82%B8%E3%82%92%E8%BB%A2%E9%80%81%E3%81%97%E3%81%BE%E3%81%99%E3%80%82_%E3%81%A4%E3%81%BE%E3%82%8A%E3%80%81%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E3%82%A2%E3%83%97%E3%83%AA%E3%82%B1%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%83%95%E3%83%AD%E3%83%B3%E3%83%88%E3%82%A8%E3%83%B3%E3%83%89%E3%81%8B%E3%82%89%E3%81%AF%E3%80%81pgpool-II%E3%81%8C%E5%AE%9F%E9%9A%9B%E3%81%AEPostgreSQL%E3%82%B5%E3%83%BC%E3%83%90%E3%81%A7%E3%81%82%E3%82%8B%E3%82%88%E3%81%86%E3%81%AB%E8%A6%8B%E3%81%88%E3%80%81%E3%82%B5%E3%83%BC%E3%83%90%E3%83%90%E3%83%83%E3%82%AF%E3%82%A8%E3%83%B3%E3%83%89%E3%81%8B%E3%82%89%E3%81%AF%E3%80%81pgpool-II%E3%81%8C%E3%83%95%E3%83%AD%E3%83%B3%E3%83%88%E3%82%A8%E3%83%B3%E3%83%89%E3%81%A7%E3%81%82%E3%82%8B%E3%82%88%E3%81%86%E3%81%AB%E8%A6%8B%E3%81%88%E3%81%BE%E3%81%99%E3%80%82_pgpool-II%E3%81%AF%E3%80%81%E3%82%B5%E3%83%BC%E3%83%90%E3%81%A8%E3%82%AF%E3%83%A9%E3%82%A4%E3%82%A2%E3%83%B3%E3%83%88%E3%81%AB%E5%AF%BE%E3%81%97%E3%81%A6%E9%80%8F%E9%81%8E%E7%9A%84%E3%81%AB%E5%8B%95%E4%BD%9C%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%80%81%E6%97%A2%E5%AD%98%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E3%82%A2%E3%83%97%E3%83%AA%E3%82%B1%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E3%82%BD%E3%83%BC%E3%82%B9%E3%82%B3%E3%83%BC%E3%83%89%E3%81%AB%E5%A4%89%E6%9B%B4%E3%82%92%E5%8A%A0%E3%81%88%E3%82%8B%E3%81%93%E3%81%A8%E3%81%AA%E3%81%8Fpgpool-II%E3%82%92%E5%88%A9%E7%94%A8%E3%81%A7%E3%81%8D%E3%81%BE%E3%81%99%E3%80%82_%E4%B8%BB%E3%81%AA%E6%A9%9F%E8%83%BD_%E2%96%A0%E3%82%B3%E3%83%8D%E3%82%AF%E3%82%B7%E3%83%A7%E3%83%B3%E3%83%97%E3%83%BC%E3%83%AA%E3%83%B3%E3%82%B0\" 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pgpool-II\u306f\u3001\u30b5\u30fc\u30d0\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u900f\u904e\u7684\u306b\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3053\u3068\u306a\u304fpgpool-II\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002  \u4e3b\u306a\u6a5f\u80fd  \u25a0\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/majisemi.com\/topics\/oss\/4789\/#pgpool-II%E3%81%AE%E5%B0%8E%E5%85%A5%E4%BA%8B%E4%BE%8B_%E2%96%A0SPOFSingle_Point_of_Failure%E3%82%92%E8%A7%A3%E6%B6%88%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81pgpool-II_%E3%82%92%E5%B0%8E%E5%85%A5\" >pgpool-II\u306e\u5c0e\u5165\u4e8b\u4f8b  \u25a0SPOF(Single Point of Failure)\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081pgpool-II \u3092\u5c0e\u5165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/majisemi.com\/topics\/oss\/4789\/#%E6%83%85%E5%A0%B1%E6%8F%90%E4%BE%9B%E5%8D%94%E5%8A%9B_%E3%81%93%E3%81%AE%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AF%E3%80%81SRA_OSSinc_%E6%97%A5%E6%9C%AC%E6%94%AF%E7%A4%BE%E3%81%AE%E5%8D%94%E5%8A%9B%E3%81%AB%E3%82%88%E3%82%8A%E4%BD%9C%E6%88%90%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F%E3%80%82_%E8%A3%9C%E8%B6%B3%E6%83%85%E5%A0%B1_%E2%96%A0%E5%90%8C%E6%A7%98%E8%A3%BD%E5%93%81\" >\u60c5\u5831\u63d0\u4f9b\u5354\u529b  \u3053\u306e\u30da\u30fc\u30b8\u306f\u3001SRA OSS,inc. \u65e5\u672c\u652f\u793e\u306e\u5354\u529b\u306b\u3088\u308a\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002  \u88dc\u8db3\u60c5\u5831  \u25a0\u540c\u69d8\u88fd\u54c1<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"h1Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8Cpgpool-II%E3%80%8D%E3%81%A8%E3%81%AF\"><\/span>\u300cpgpool-II\u300d\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<div class=\"main-c\">\n<h3 class=\"h2smalltitle\">\u300cpgpool-II\u300d\u57fa\u672c\u60c5\u5831<\/h2>\n<h4 class=\"subtitle-h4\">\u25a0\u6982\u8981<\/h3>\n<p><strong>pgpool-II<\/strong>(\u30d4\u30fc\u30b8\u30fc\u30d7\u30fc\u30eb\u30c4\u30fc)\u3068\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9RDBMS\u300cPostgreSQL\u300d\u306b\u5bfe\u3057\u3066\u3001\u5197\u9577\u5316\u3084\u8ca0\u8377\u5206\u6563\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002PostgreSQL\u30b5\u30fc\u30d0\u3068PostgreSQL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u9593\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3068\u3057\u3066\u7a3c\u50cd\u3057\u307e\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u57fa\u672c\u8aac\u660e<\/h3>\n<p>pgpool-II\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9RDBMS\u300cPostgreSQL\u300d\u306b\u5bfe\u3057\u3066\u3001\u5197\u9577\u5316\u6a5f\u80fd\u3084\u8ca0\u8377\u5206\u6563\u6a5f\u80fd\u3092\u8ffd\u52a0\u3067\u304d\u308b\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002<\/p>\n<p>PostgreSQL\u30b5\u30fc\u30d0\u3068PostgreSQL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u9593\u3067\u7a3c\u50cd\u3059\u308b\u305f\u3081\u3001\u65e2\u5b58\u306ePostgreSQL\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u307b\u3068\u3093\u3069\u5909\u66f4\u305b\u305a\u306b\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u52d5\u4f5c\u74b0\u5883<\/h3>\n<p>pgpool-II\u306f\u3001Linux\u3092\u306f\u3058\u3081\u3001Solaris\u3084FreeBSD\u306a\u3069\u306eUNIX\u74b0\u5883\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<h4 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class=\"h2smalltitle\">\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/h2>\n<p>pgpool-II\u306f\u3001PostgreSQL\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7406\u89e3\u3057\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u9593\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3(\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9)\u304b\u3089\u306f\u3001pgpool-II\u304c\u5b9f\u969b\u306ePostgreSQL\u30b5\u30fc\u30d0\u3067\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u3001\u30b5\u30fc\u30d0(\u30d0\u30c3\u30af\u30a8\u30f3\u30c9)\u304b\u3089\u306f\u3001pgpool-II\u304c\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<p>pgpool-II\u306f\u3001\u30b5\u30fc\u30d0\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u900f\u904e\u7684\u306b\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3053\u3068\u306a\u304fpgpool-II\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"h2smalltitle\">\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<h4 class=\"subtitle-h4\">\u25a0\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0<\/h3>\n<p>pgpool-II\u306fPostgresSQL\u3068\u306e\u63a5\u7d9a\u3092\u4fdd\u6301\u3057\u3001\u300c\u30e6\u30fc\u30b6\u540d\u300d\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u300d\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\u300d\u306a\u3069\u306e\u5c5e\u6027\u304c\u540c\u3058\u63a5\u7d9a\u304c\u3042\u308b\u305f\u3073\u306b\u3001\u305d\u308c\u3089\u306e\u63a5\u7d9a\u3092\u518d\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u78ba\u7acb\u306e\u30aa\u30fc\u30d0\u30d8\u30c3\u30c9\u3092\u6e1b\u5c11\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u30c7\u30fc\u30bf\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>pgpool-\u2161\u306f\u8907\u6570\u306ePostgreSQL\u30b5\u30fc\u30d0\u3092\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002\u7ba1\u7406\u4e0b\u306b\u3042\u308b\u8907\u6570\u306ePostgreSQL\u30b5\u30fc\u30d0\u3092\u30af\u30e9\u30b9\u30bf\u5316\u3057\u3066\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u30012\u3064\u4ee5\u4e0a\u306ePostgreSQL\u30b5\u30fc\u30d0\u306b\u3088\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u884c\u3048\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001PostgreSQL\u30af\u30e9\u30b9\u30bf\u306e1\u3064\u304c\u30c0\u30a6\u30f3\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u6b62\u3081\u308b\u3053\u3068\u306a\u304f\u30b5\u30fc\u30d3\u30b9\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001pgpool-II\u306b\u306f\u3001\u7d44\u307f\u8fbc\u307f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3(\u30cd\u30a3\u30c6\u30a3\u30d6\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3)\u6a5f\u80fd\u304c\u3042\u308b\u305f\u3081\u3001PostgreSQL\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u3088\u3046\u306b\u3001\u5916\u90e8\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u8ca0\u8377\u5206\u6563(SELECT\u30af\u30a8\u30ea\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0)<\/h3>\n<p>PostgreSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u308b\u3068\u3001\u3069\u306e\u30b5\u30fc\u30d0\u3067SELECT\u6587\u304c\u767a\u884c\u3055\u308c\u3066\u3082\u540c\u3058\u7d50\u679c\u3092\u8fd4\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>pgpool-II\u306f\u3001pgpool-II\u306b\u9001\u3089\u308c\u3066\u304d\u305fSELECT\u30af\u30a8\u30ea\u3092\u8907\u6570\u306ePostgreSQL\u30b5\u30fc\u30d0\u306b\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u5404PostgreSQL\u30b5\u30fc\u30d0\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001PostgreSQL\u30b5\u30fc\u30d0\u306e\u6570\u306b\u6bd4\u4f8b\u3057\u3066\u5411\u4e0a\u3057\u307e\u3059\u3002\u7279\u306b\u3001\u591a\u6570\u306e\u30e6\u30fc\u30b6\u304c\u691c\u7d22\u306e\u307f\u306e\u30af\u30a8\u30ea\u3092\u540c\u6642\u306b\u767a\u884c\u3059\u308b\u3088\u3046\u306a\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u3001\u8ca0\u8377\u5206\u6563\u306f\u6700\u5927\u306e\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u6700\u5927\u63a5\u7d9a\u6570\u5236\u5fa1<\/h3>\n<p>PostgreSQL\u306b\u306f\u6700\u5927\u540c\u6642\u63a5\u7d9a\u6570\u306e\u5236\u9650\u304c\u3042\u308a\u3001\u8a2d\u5b9a\u3057\u305f\u5236\u9650\u3092\u8d85\u3048\u308b\u3068\u65b0\u3057\u3044\u63a5\u7d9a\u306f\u62d2\u5426\u3055\u308c\u307e\u3059\u3002\u6700\u5927\u63a5\u7d9a\u6570\u3092\u5897\u52a0\u3055\u305b\u308b\u3068\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u304c\u5897\u52a0\u3059\u308b\u305f\u3081\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>pgpool-\u2161\u306b\u3082\u3001\u540c\u69d8\u306b\u3001\u6700\u5927\u63a5\u7d9a\u6570\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u5927\u63a5\u7d9a\u6570\u306b\u9054\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u65b0\u305f\u306a\u63a5\u7d9a\u304c\u6765\u305f\u5834\u5408\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u5373\u5ea7\u306b\u30a8\u30e9\u30fc\u3092\u8fd4\u3055\u305a\u306b\u3001\u5f85\u3061\u884c\u5217\u306b\u5165\u308c\u3066\u63a5\u7d9a\u304c\u7a7a\u304f\u307e\u3067\u5f85\u6a5f\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc<\/h3>\n<p>pgpool-II\u914d\u4e0b\u306b\u3042\u308bPostgreSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u306e\u3069\u308c\u304b\u304c\u30c0\u30a6\u30f3\u3057\u305f\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30d9\u30eb\u3067\u5230\u9054\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u3001pgpool-II\u306f\u8a72\u5f53\u30b5\u30fc\u30d0\u3092\u5207\u308a\u96e2\u3057\u3001\u6b8b\u3063\u305f\u30b5\u30fc\u30d0\u3067\u904b\u7528\u3092\u7d99\u7d9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u300c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6a5f\u80fd\u300d\u3084\u300c\u30ea\u30c8\u30e9\u30a4\u6a5f\u80fd\u300d\u306a\u3069\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h2smalltitle\">pgpool-II\u306e\u5c0e\u5165\u4e8b\u4f8b<\/h2>\n<h4 class=\"subtitle-h4\">\u25a0SPOF(Single Point of Failure)\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081pgpool-II \u3092\u5c0e\u5165<\/h3>\n<p>\u682a\u5f0f\u4f1a\u793eGengo\u69d8\u3067\u306f\u3001\u300cGengo\u00ae\u300d\u30b7\u30b9\u30c6\u30e0\u3092 Amazon Web Service \u4e0a\u3067\u7a3c\u50cd\u3055\u305b\u3066\u304a\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u652f\u3048\u308b\u57fa\u5e79\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u3001\u65e9\u3044\u6642\u671f\u304b\u3089 PostgreSQL \u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u5229\u7528\u8005\u306e\u5897\u52a0\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u8ca0\u8377\u5206\u6563\u3068\u3001\u4fe1\u983c\u6027\u5411\u4e0a\u306e\u305f\u3081\u306e\u5197\u9577\u5316\u69cb\u6210\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001pgpool-II \u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/www.sraoss.co.jp\/case_study\/gengo.php \" target=\"jumpsite\" rel=\"noopener\">http:\/\/www.sraoss.co.jp\/case_study\/gengo.php <\/a><\/p>\n<h4 class=\"subtitle-h4\">\u25a0PostgreSQL + pgpool-II \u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u5224\u4f8b\u306a\u3069\u306e\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u6a2a\u65ad\u691c\u7d22\u6027\u80fd\u3092\u5927\u5e45\u5411\u4e0a<\/h3>\n<p>\u7b2c\u4e00\u6cd5\u898f\u682a\u5f0f\u4f1a\u793e\u69d8\u306f\u3001\u6cd5\u5f8b\u95a2\u9023\u306e\u66f8\u7c4d\u8ca9\u58f2\u3084\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30c7\u30fc\u30bf\u63d0\u4f9b\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u5224\u4f8b\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u306f PostgreSQL \u3092\u63a1\u7528\u3057\u3001\u5197\u9577\u5316\u3084\u6027\u80fd\u5411\u4e0a\u306e\u305f\u3081\u306b pgpool-II \u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/www.sraoss.co.jp\/case_study\/daiichihoki.php \" target=\"jumpsite\" rel=\"noopener\">http:\/\/www.sraoss.co.jp\/case_study\/daiichihoki.php <\/a><\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u305d\u306e\u4ed6\u306e\u4e8b\u4f8b<\/h3>\n<p>\u305d\u306e\u4ed6\u306e\u4e8b\u4f8b\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"http:\/\/www.sraoss.co.jp\/case_study\/\" target=\"jumpsite\" rel=\"noopener\">http:\/\/www.sraoss.co.jp\/case_study\/<\/a><\/p>\n<h3 class=\"h2smalltitle\">\u60c5\u5831\u63d0\u4f9b\u5354\u529b<\/h2>\n<p>\u3053\u306e\u30da\u30fc\u30b8\u306f\u3001<a href=\"http:\/\/www.sraoss.co.jp\/\" rel=\"nofollow noopener\" target=\"_blank\">SRA OSS,inc. \u65e5\u672c\u652f\u793e<\/a>\u306e\u5354\u529b\u306b\u3088\u308a\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/www.sraoss.co.jp\/\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" data-src=\"\/upimg\/info\/p4_150520103059.jpg\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\"><\/a><\/p>\n<h3 class=\"h2smalltitle\">\u88dc\u8db3\u60c5\u5831<\/h2>\n<h4 class=\"subtitle-h4\">\u25a0\u540c\u69d8\u88fd\u54c1<\/h3>\n<p>\u540c\u69d8\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u88fd\u54c1\u3068\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u88fd\u54c1\uff1a\u300c<a href=\"https:\/\/www.ossnews.jp\/oss_info\/MariaDB_MaxScale\" target=\"jumpsite\" rel=\"noopener\">MariaDB MaxScale<\/a>\u300d\u306a\u3069\u3002<\/p>\n<h4 class=\"subtitle-h4\">\u25a0\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8<\/h3>\n<h5>\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8<\/h5>\n<p><a href=\"http:\/\/www.pgpool.net\/mediawiki\/jp\/index.php\/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8\" target=\"jumpsite\" rel=\"noopener\">\u2192pgpool-II(pgpool Wiki)<\/a><\/p>\n<h5>\u30e9\u30a4\u30bb\u30f3\u30b9\u60c5\u5831<\/h5>\n<p>pgpool-II\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u306f\u300cBSD\u30e9\u30a4\u30bb\u30f3\u30b9\u300d\u3067\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306b\u3064\u3044\u3066\u3001\u3053\u3061\u3089\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<br \/>    <a href=\"http:\/\/www.pgpool.net\/mediawiki\/jp\/index.php\/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8#Pgpool-.E2.85.A1.E3.81.AE.E3.83.A9.E3.82.A4.E3.82.BB.E3.83.B3.E3.82.B9\" target=\"jumpsite\" rel=\"noopener\">\u2192pgpool-II\u3000\u21921 Pgpool Wiki\u3078\u3088\u3046\u3053\u305d!\u3000\u21921.2 Pgpool-\u2161\u306e\u30e9\u30a4\u30bb\u30f3\u30b9<\/a><\/p>\n<h5>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/h5>\n<p><a href=\"https:\/\/www.pgpool.net\/mediawiki\/index.php\/Downloads\" target=\"jumpsite\" rel=\"noopener\">\u2192pgpool-II\u3000\u2192Downloads<\/a><\/p>\n<p>\u3000<\/p>\n<p>\u53c2\u8003\u5143\u30b5\u30a4\u30c8<\/p>\n<ul>\n<li><a href=\"http:\/\/www.pgpool.net\/mediawiki\/jp\/index.php\/%E3%83%A1%E3%82%A4%E3%83%B3%E3%83%9A%E3%83%BC%E3%82%B8\" target=\"jumpsite\" rel=\"noopener\">pgpool-II<\/a><\/li>\n<\/ul>\n<p class=\"text80\">\u203b\u5b9a\u671f\u7684\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u5b9f\u65bd\u3057\u3066\u304a\u308a\u307e\u3059\u304c\u3001\u4e00\u90e8\u60c5\u5831\u304c\u53e4\u3044\u5834\u5408\u304c\u3054\u3056\u3044\u307e\u3059\u3002\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<p><!-- main-c--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>pgpool-II(\u30d4\u30fc\u30b8\u30fc\u30d7\u30fc\u30eb\u30c4\u30fc)\u3068\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9RDBMS\u300cPostgreSQL\u300d\u306b\u5bfe\u3057\u3066\u3001\u5197\u9577\u5316\u3084\u8ca0\u8377\u5206\u6563\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002PostgreSQL\u30b5\u30fc\u30d0\u3068PostgreSQL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u9593\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3068\u3057\u3066\u7a3c\u50cd\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":4,"featured_media":3972,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[243],"tags":[468],"class_list":["post-4789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oss","tag-pgpool-ii"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts\/4789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/comments?post=4789"}],"version-history":[{"count":0,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts\/4789\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/media\/3972"}],"wp:attachment":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/media?parent=4789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/categories?post=4789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/tags?post=4789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}