{"id":42094,"date":"2023-06-01T04:51:54","date_gmt":"2024-03-08T05:26:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%a0%e4%b8%ba%e5%9c%a8%e6%89%a7%e8%a1%8crails%e7%9a%84dbcreate%e5%91%bd%e4%bb%a4%e6%97%b6%e9%81%87%e5%88%b0%e4%ba%86%e9%94%99%e8%af%af%ef%bc%8c%e6%89%80%e4%bb%a5%e8%ae%b0%e5%bd%95%e4%ba%86\/"},"modified":"2024-04-30T06:52:03","modified_gmt":"2024-04-29T22:52:03","slug":"%e5%9b%a0%e4%b8%ba%e5%9c%a8%e6%89%a7%e8%a1%8crails%e7%9a%84dbcreate%e5%91%bd%e4%bb%a4%e6%97%b6%e9%81%87%e5%88%b0%e4%ba%86%e9%94%99%e8%af%af%ef%bc%8c%e6%89%80%e4%bb%a5%e8%ae%b0%e5%bd%95%e4%ba%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9b%a0%e4%b8%ba%e5%9c%a8%e6%89%a7%e8%a1%8crails%e7%9a%84dbcreate%e5%91%bd%e4%bb%a4%e6%97%b6%e9%81%87%e5%88%b0%e4%ba%86%e9%94%99%e8%af%af%ef%bc%8c%e6%89%80%e4%bb%a5%e8%ae%b0%e5%bd%95%e4%ba%86\/","title":{"rendered":"\u56e0\u4e3a\u5728\u6267\u884crails\u7684db:create\u547d\u4ee4\u65f6\u9047\u5230\u4e86\u9519\u8bef\uff0c\u6240\u4ee5\u8bb0\u5f55\u4e86\u5f53\u65f6\u7684\u5e94\u5bf9\u63aa\u65bd"},"content":{"rendered":"

\u73af\u5883\uff1aPostgreSQL-10<\/p>\n

\u5f53\u6211\u8fd0\u884c `bin\/rails db:create` \u547d\u4ee4\u65f6\uff0c\u51fa\u73b0\u4e86\u4ee5\u4e0b\u9519\u8bef\u3002<\/p>\n

\u65e0\u6cd5\u8fde\u63a5\u670d\u52a1\u5668\uff1a\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<\/p>\n

\u670d\u52a1\u5668\u662f\u5426\u5728\u672c\u5730\u8fd0\u884c\u5e76\u63a5\u53d7\u901a\u8fc7Unix\u57df\u5957\u63a5\u5b57”\/var\/run\/postgresql\/.s.PGSQL.5432″\u7684\u8fde\u63a5\uff1f<\/p>\n

\u65e0\u6cd5\u521b\u5efa’scaffold_app1_development’\u6570\u636e\u5e93\u3002\u8bf7\u68c0\u67e5\u60a8\u7684\u914d\u7f6e\u3002<\/p>\n

rails\u4e2d\u6b62\uff01
\nPG::ConnectionBad\uff1a\u65e0\u6cd5\u8fde\u63a5\u670d\u52a1\u5668\uff1a\u6ca1\u6709\u8fd9\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55
\n\u670d\u52a1\u5668\u662f\u5426\u5728\u672c\u5730\u8fd0\u884c\u5e76\u63a5\u53d7\u901a\u8fc7Unix\u57df\u5957\u63a5\u5b57”\/var\/run\/postgresql\/.s.PGSQL.5432″\u7684\u8fde\u63a5\uff1f<\/p>\n

\/home\/shunsuke\/scaffold_app1\/bin\/rails\uff1a9\uff1a\u5728<top\uff08required\uff09>’\u5185
\n\/home\/shunsuke\/scaffold_app1\/bin\/spring\uff1a15\uff1ain’
\nbin\/rails\uff1a3\uff1aload’\u5185
\nbin\/rails\uff1a3\uff1ain’
\n\u4efb\u52a1\uff1aTOP => db:create
\n\uff08\u901a\u8fc7\u4f7f\u7528–trace\u8fd0\u884c\u4efb\u52a1\u67e5\u770b\u5b8c\u6574\u8ddf\u8e2a\uff09<\/p>\n

\u5c1d\u8bd5\u8fc7\u7684\u4e8b\u60c5 (Sh\u00ec de<\/p>\n

\u8bf7\u95ee\u662f\u5426\u76d1\u63a7\u77405432\u7aef\u53e3\uff1f\u56e0\u4e3a\u51fa\u73b0\u9519\u8bef\u4fe1\u606f\uff0c\u6240\u4ee5\u5c1d\u8bd5\u4f7f\u7528$service postgresql start\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5668\uff0c\u7136\u540e\u518d\u6b21\u5c1d\u8bd5\u76f8\u540c\u7684\u547d\u4ee4\uff0c\u4f46\u6ca1\u6709\u4efb\u4f55\u53d8\u5316\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/p>\n

\u8bd5\u8bd5\u67e5\u770b\u6b63\u5728\u8fd0\u884c\u7684Postgresql\u6b63\u5728\u63a5\u53d7\u7684\u7aef\u53e3\u53f7\u3002
\n\u901a\u8fc7$sudo pg_lsclusters\u547d\u4ee4\u8fdb\u884c\u786e\u8ba4\uff0c
\n10 main 5433 \u5728\u7ebf postgres \/var\/lib\/postgresql\/10\/main \/var\/log\/postgresql\/postgresql-10-main.log<\/p>\n

\u7531\u4e8e\u663e\u793a\u4e3a5433\uff0c\u5e76\u5728config\/database.yml\u4e2d\u8fdb\u884c\u63a5\u53d7\uff0c\u6545\u9700\u8981\u5728\u8be5\u6587\u4ef6\u4e2d\u5199\u5165\u7aef\u53e3\u53f7\u2193<\/p>\n

\u9ed8\u8ba4: &default
\n\u9002\u914d\u5668: postgresql
\n\u7f16\u7801: unicode
\n# \u5173\u4e8e\u8fde\u63a5\u6c60\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u53ef\u53c2\u8003Rails\u914d\u7f6e\u6307\u5357
\n# http:\/\/guides.rubyonrails.org\/configuring.html#database-pooling
\n\u8fde\u63a5\u6c60: <%= ENV.fetch(“RAILS_MAX_THREADS”) { 5 } %>
\n\u7aef\u53e3: 5433 #\u5728\u8fd9\u91cc\u6307\u5b9a\u4e86\u7aef\u53e3<\/p>\n

\u5f53\u4f60\u8fd0\u884c”bin\/rails db:create”\u547d\u4ee4\u65f6<\/p>\n

\u8b66\u544a\uff1a\u65e0\u6cd5\u5237\u65b0\u810f\u6570\u636e\uff1a\u672a\u5b9e\u73b0\u7684\u529f\u80fd
\n\u521b\u5efa\u4e86\u6570\u636e\u5e93’scaffold_app1_development’
\n\u8b66\u544a\uff1a\u65e0\u6cd5\u5237\u65b0\u810f\u6570\u636e\uff1a\u672a\u5b9e\u73b0\u7684\u529f\u80fd
\n\u521b\u5efa\u4e86\u6570\u636e\u5e93’scaffold_app1_test’<\/p>\n

\u5c3d\u7ba1\u51fa\u73b0\u4e86\u8b66\u544a\u4fe1\u606f\uff0c\u4f46\u6211\u8fd8\u662f\u6210\u529f\u5730\u505a\u51fa\u6765\u4e86\uff01\u7531\u4e8ebin\/rails s\u6210\u529f\u8fd0\u884c\uff0c\u6240\u4ee5\u603b\u7b97\u662f\u89e3\u51b3\u4e86\u95ee\u9898…<\/p>\n

\u7ed9\u4f60\u8d60\u54c1\uff1f
\n\u867d\u7136\u6211\u8ba4\u4e3a\u6ca1\u6709\u5173\u8054\uff0c\u4f46\u662f\u6211\u4f1a\u5199\u4e0b\u540c\u6b65\u6dfb\u52a0\u7aef\u53e3\u53f7\u7684\u63aa\u65bd\u3002
\n\u5728\u67e5\u770b\u67d0\u4e2a\u7f51\u7ad9\u65f6\uff0c\u6211\u770b\u5230\u4e86\u8fd9\u4e2a\u63aa\u65bd\u3002
\n\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u6253\u5f00postgresql.conf\u6587\u4ef6\u3002
\nsudo vi \/etc\/postgresql\/10\/main\/postgresql.conf<\/p>\n

\u6211\u5c06\u53d6\u6d88\u5176\u4e2d\u7684#fsync = on\u6ce8\u91ca\uff0c\u5e76\u5c06\u5176\u66f4\u6539\u4e3afsync = off\u3002\u6211\u5728\u4e0b\u9762\u6dfb\u52a0\u4e86data_sync_retry = true\u3002<\/p>\n

\u5173\u95edfsync\u529f\u80fd\uff0c\u4e0d\u4e3a\u5d29\u6e83\u5b89\u5168\u6027\u5c06\u6570\u636e\u5237\u65b0\u5230\u78c1\u76d8
\n\u6570\u636e\u540c\u6b65\u91cd\u8bd5\u4e3a\u542f\u7528\u72b6\u6001\uff08\u5173\u95ed\u6b64\u9009\u9879\u53ef\u80fd\u5bfc\u81f4\uff09<\/p>\n

\u8fd9\u4e2a\u662f\u5426\u6709\u6548\u6211\u4e0d\u786e\u5b9a\uff0c\u4f46\u603b\u4e4b…
\n\u8fd9\u4e2a\u662f\u5728\u505a\u4ec0\u4e48\u6211\u4e0d\u592a\u6e05\u695a\u3002\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u73af\u5883\uff1aPostgreSQL-10 \u5f53\u6211\u8fd0\u884c `bin\/rails db:create` \u547d\u4ee4\u65f6\uff0c\u51fa\u73b0\u4e86\u4ee5\u4e0b\u9519\u8bef […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42094","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u56e0\u4e3a\u5728\u6267\u884crails\u7684db:create\u547d\u4ee4\u65f6\u9047\u5230\u4e86\u9519\u8bef\uff0c\u6240\u4ee5\u8bb0\u5f55\u4e86\u5f53\u65f6\u7684\u5e94\u5bf9\u63aa\u65bd - 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\/\u56e0\u4e3a\u5728\u6267\u884crails\u7684dbcreate\u547d\u4ee4\u65f6\u9047\u5230\u4e86\u9519\u8bef\uff0c\u6240\u4ee5\u8bb0\u5f55\u4e86\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u56e0\u4e3a\u5728\u6267\u884crails\u7684db:create\u547d\u4ee4\u65f6\u9047\u5230\u4e86\u9519\u8bef\uff0c\u6240\u4ee5\u8bb0\u5f55\u4e86\u5f53\u65f6\u7684\u5e94\u5bf9\u63aa\u65bd\" \/>\n<meta property=\"og:description\" content=\"\u73af\u5883\uff1aPostgreSQL-10 \u5f53\u6211\u8fd0\u884c `bin\/rails db:create` \u547d\u4ee4\u65f6\uff0c\u51fa\u73b0\u4e86\u4ee5\u4e0b\u9519\u8bef […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u56e0\u4e3a\u5728\u6267\u884crails\u7684dbcreate\u547d\u4ee4\u65f6\u9047\u5230\u4e86\u9519\u8bef\uff0c\u6240\u4ee5\u8bb0\u5f55\u4e86\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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