{"id":41522,"date":"2023-04-17T06:00:09","date_gmt":"2023-05-31T19:00:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e5%92%8cpgpool-ii%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%95%b0%e5%92%8c%e8%bf%9b%e7%a8%8b%e6%95%b0%e3%80%82\/"},"modified":"2024-04-29T23:53:10","modified_gmt":"2024-04-29T15:53:10","slug":"postgresql%e5%92%8cpgpool-ii%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%95%b0%e5%92%8c%e8%bf%9b%e7%a8%8b%e6%95%b0%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e5%92%8cpgpool-ii%e7%9a%84%e8%bf%9e%e6%8e%a5%e6%95%b0%e5%92%8c%e8%bf%9b%e7%a8%8b%e6%95%b0%e3%80%82\/","title":{"rendered":"PostgreSQL\u548cPgpool-II\u7684\u8fde\u63a5\u6570\u548c\u8fdb\u7a0b\u6570"},"content":{"rendered":"

PostgreSQL \u7684\u8fde\u63a5\u6570\uff1amax_connections<\/h2>\n

\u6700\u5927\u8fde\u63a5\u6570\uff1aPostgreSQL\u80fd\u591f\u540c\u65f6\u62e5\u6709\u7684\u6700\u5927\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\u3002
\n\u9700\u8981\u6839\u636e\u670d\u52a1\u5668\u7684\u5185\u5b58\u548cCPU\u8d44\u6e90\u9002\u5f53\u8fdb\u884c\u8bbe\u7f6e\u3002
\n\u5982\u679c\u8fde\u63a5\u6570\u8fc7\u591a\uff0c\u5c06\u5bf9\u7cfb\u7edf\u8d44\u6e90\u9020\u6210\u8d1f\u62c5\uff1b\u5982\u679c\u8fde\u63a5\u6570\u8fc7\u5c11\uff0c\u53ef\u80fd\u5bfc\u81f4\u65e0\u6cd5\u5728\u9700\u8981\u65f6\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n

Pgpool-II \u7684\u914d\u7f6e\uff1anum_init_children\u3001max_pool\u3002<\/h2>\n

num_init_children: Pgpool-II\u5728\u542f\u52a8\u65f6\u751f\u6210\u7684\u8fdb\u7a0b\u6570\u91cf\u3002\u8fd9\u4e2a\u6570\u91cf\u51b3\u5b9a\u4e86\u5b83\u80fd\u591f\u63a5\u53d7\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\u3002
\nmax_pool: \u5355\u4e2aPgpool-II\u8fdb\u7a0b\u80fd\u591f\u62e5\u6709\u7684PostgreSQL\u8fde\u63a5\u6c60\u7684\u6570\u91cf\u3002\u5bf9\u4e8e\u5355\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u591a\u4e2aPostgreSQL\u8fde\u63a5\u3002<\/p>\n

\u5c06 max_connections \u7684\u503c\u8bbe\u7f6e\u4e3a num_init_children \u4e58\u4ee5 max_pool \u7684\u7ed3\u679c\u6240\u5f97\u7684\u503c\u3002<\/div>\n

API\u5ba2\u6237\u7aef -> Pgpool-\u2161 -> PostgreSQL \u8fde\u63a5\u548c\u6d41\u7a0b<\/h2>\n
    \n
  1. \n
      \u9996\u5148\uff0cAPI\u5ba2\u6237\u7aef\u5f00\u59cb\u4e0e\u6570\u636e\u5e93\u5efa\u7acb\u8fde\u63a5\u3002<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          \u8fd9\u4e2a\u8fde\u63a5\u662f\u901a\u8fc7Pgpool\u6765\u8fdb\u884c\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5ba2\u6237\u7aef\u4e0d\u76f4\u63a5\u8fde\u63a5\u5230PostgreSQL\uff0c\u800c\u662f\u8fde\u63a5\u5230Pgpool\u3002<\/ol>\n<\/li>\n<\/ol>\n

          Pgpool\u8fdb\u7a0b\u548c\u8fde\u63a5\u6c60
          \nPgpool\u5728\u542f\u52a8\u65f6\u751f\u6210\u4e0enum_init_children\u76f8\u7b49\u6570\u91cf\u7684\u5b50\u8fdb\u7a0b\u3002\u8fd9\u4e9b\u5b50\u8fdb\u7a0b\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002
          \n\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fde\u63a5\u65f6\uff0cPgpool\u4f1a\u5c06\u8fde\u63a5\u5206\u914d\u7ed9\u5176\u4e2d\u7684\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u3002
          \n\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u53ef\u4ee5\u6301\u6709max_pool\u6570\u91cf\u7684\u8fde\u63a5\u5230PostgreSQL\u3002\u8fd9\u4e9b\u8fde\u63a5\u79f0\u4e3a”\u8fde\u63a5\u6c60”\uff0c\u7528\u4e8e\u6709\u6548\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/p>\n

          \u8fde\u63a5\u5230PostgreSQL
          \n\u901a\u8fc7Pgpool\u8fdb\u884c\u8fde\u63a5\u540e\uff0cPgpool\u5b50\u8fdb\u7a0b\u4f1a\u5efa\u7acb\u4e0ePostgreSQL\u7684\u8fde\u63a5\u3002
          \nPostgreSQL\u7684max_connections\u5b9a\u4e49\u4e86\u53ef\u540c\u65f6\u63a5\u53d7\u7684\u6700\u5927\u8fde\u63a5\u6570\uff0c\u5305\u62ec\u901a\u8fc7Pgpool\u8fdb\u884c\u7684\u8fde\u63a5\u3002<\/p>\n

          \u6570\u636e\u5904\u7406\u4e0e\u54cd\u5e94
          \nAPI\u5ba2\u6237\u7aef\u901a\u8fc7Pgpool\u53d1\u9001\u6570\u636e\u5e93\u67e5\u8be2\u3002
          \nPgpool\u4f1a\u5c06\u8fd9\u4e9b\u67e5\u8be2\u8def\u7531\u5230\u9002\u5f53\u7684PostgreSQL\u8fde\u63a5\uff0c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n

          \u8fde\u63a5\u6570\u548c\u5185\u5b58\u4e4b\u95f4\u7684\u5173\u7cfb<\/h2>\n
            \n
          • \n
              PostgreSQL \u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u30e1\u30e2\u30ea\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001max_connections \u3092\u5897\u3084\u3059\u3068\u305d\u306e\u5206\u3060\u3051\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5897\u52a0\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n

               <\/p>\n

                Pgpool-II \u3082\u540c\u69d8\u306b\u3001num_init_children \u3068 max_pool \u3092\u5897\u3084\u3059\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u5b50\u30d7\u30ed\u30bb\u30b9\u3068\u63a5\u7d9a\u30d7\u30fc\u30eb\u306b\u30e1\u30e2\u30ea\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/ul>\n","protected":false},"excerpt":{"rendered":"

                PostgreSQL \u7684\u8fde\u63a5\u6570\uff1amax_connections \u6700\u5927\u8fde\u63a5\u6570\uff1aPostgreSQL\u80fd\u591f\u540c\u65f6\u62e5\u6709\u7684 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41522","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nPostgreSQL\u548cPgpool-II\u7684\u8fde\u63a5\u6570\u548c\u8fdb\u7a0b\u6570 - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/zh\/blog\/postgresql\u548cpgpool-ii\u7684\u8fde\u63a5\u6570\u548c\u8fdb\u7a0b\u6570\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL\u548cPgpool-II\u7684\u8fde\u63a5\u6570\u548c\u8fdb\u7a0b\u6570\" \/>\n<meta property=\"og:description\" content=\"PostgreSQL \u7684\u8fde\u63a5\u6570\uff1amax_connections \u6700\u5927\u8fde\u63a5\u6570\uff1aPostgreSQL\u80fd\u591f\u540c\u65f6\u62e5\u6709\u7684 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/postgresql\u548cpgpool-ii\u7684\u8fde\u63a5\u6570\u548c\u8fdb\u7a0b\u6570\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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