{"id":188554,"date":"2024-11-11T23:43:30","date_gmt":"2024-11-11T15:43:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188554\/"},"modified":"2024-11-11T23:43:31","modified_gmt":"2024-11-11T15:43:31","slug":"%e6%8e%a2%e7%b4%a2python-django%e6%94%af%e6%8c%81%e5%88%86%e5%b8%83%e5%bc%8f%e5%a4%9a%e7%a7%9f%e6%88%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%a6%82postgrescitus","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188554\/","title":{"rendered":"\u63a2\u7d22Python\/Django\u652f\u6301\u5206\u5e03\u5f0f\u591a\u79df\u6236\u6578\u64da\u5eab\uff0c\u5982Postgres+Citus"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%b4%a2python-django%e6%94%af%e6%8c%81%e5%88%86%e5%b8%83%e5%bc%8f%e5%a4%9a%e7%a7%9f%e6%88%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%a6%82postgrescitus-gUyGtMsFzu\">\u63a2\u7d22Python\/Django\u652f\u6301\u5206\u5e03\u5f0f\u591a\u79df\u6236\u6578\u64da\u5eab\uff0c\u5982Postgres+Citus<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u5206\u5e03\u5f0f\u591a\u79df\u6236\u67b6\u69cb\u8d8a\u4f86\u8d8a\u53d7\u5230\u91cd\u8996\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u8cc7\u6e90\u7684\u5229\u7528\u7387\uff0c\u9084\u80fd\u5920\u70ba\u4e0d\u540c\u7684\u5ba2\u6236\u63d0\u4f9b\u9694\u96e2\u7684\u6578\u64da\u74b0\u5883\u3002Python\u548cDjango\u4f5c\u70ba\u6d41\u884c\u7684\u958b\u767c\u6846\u67b6\uff0c\u8207PostgreSQL\u548cCitus\u7684\u7d50\u5408\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%9a%e7%a7%9f%e6%88%b6%e6%9e%b6%e6%a7%8b%ef%bc%9f-gUyGtMsFzu\">\u4ec0\u9ebc\u662f\u591a\u79df\u6236\u67b6\u69cb\uff1f<\/h2>\n<p>\u591a\u79df\u6236\u67b6\u69cb\u662f\u4e00\u7a2e\u8edf\u4ef6\u67b6\u69cb\uff0c\u5176\u4e2d\u55ae\u4e00\u7684\u61c9\u7528\u7a0b\u5e8f\u5be6\u4f8b\u70ba\u591a\u500b\u5ba2\u6236\uff08\u6216\u201c\u79df\u6236\u201d\uff09\u63d0\u4f9b\u670d\u52d9\u3002\u6bcf\u500b\u79df\u6236\u7684\u6578\u64da\u662f\u9694\u96e2\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u96b1\u79c1\u6027\u3002\u9019\u7a2e\u67b6\u69cb\u7279\u5225\u9069\u5408SaaS\uff08\u8edf\u4ef6\u5373\u670d\u52d9\uff09\u61c9\u7528\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6e90\u4e26\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002<\/p>\n<h2 id=\"postgresql%e8%88%87citus%e7%9a%84%e7%b5%90%e5%90%88-gUyGtMsFzu\">PostgreSQL\u8207Citus\u7684\u7d50\u5408<\/h2>\n<p>PostgreSQL\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u800cCitus\u662f\u4e00\u500b\u64f4\u5c55PostgreSQL\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5c07\u6578\u64da\u5206\u7247\u4e26\u5206\u4f48\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u7684\u7d50\u5408\u4f7f\u5f97PostgreSQL\u80fd\u5920\u652f\u6301\u5927\u898f\u6a21\u7684\u6578\u64da\u8655\u7406\u548c\u67e5\u8a62\uff0c\u7279\u5225\u662f\u5728\u591a\u79df\u6236\u74b0\u5883\u4e2d\u3002<\/p>\n<h3 id=\"citus%e7%9a%84%e7%89%b9%e9%bb%9e-gUyGtMsFzu\">Citus\u7684\u7279\u9ede<\/h3>\n<ul>\n<li><strong>\u6c34\u5e73\u64f4\u5c55\uff1a<\/strong> Citus\u5141\u8a31\u7528\u6236\u901a\u904e\u589e\u52a0\u66f4\u591a\u7684\u6578\u64da\u5eab\u7bc0\u9ede\u4f86\u64f4\u5c55\u7cfb\u7d71\u7684\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong> Citus\u652f\u6301\u6578\u64da\u7684\u81ea\u52d5\u5206\u7247\u548c\u8907\u88fd\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002<\/li>\n<li><strong>\u5373\u6642\u67e5\u8a62\uff1a<\/strong> Citus\u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e0a\u4e26\u884c\u8655\u7406\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8django%e4%b8%ad%e4%bd%bf%e7%94%a8postgresql%e5%92%8ccitus-gUyGtMsFzu\">\u5728Django\u4e2d\u4f7f\u7528PostgreSQL\u548cCitus<\/h2>\n<p>\u8981\u5728Django\u4e2d\u4f7f\u7528PostgreSQL\u548cCitus\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd\u76f8\u61c9\u7684\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88ddDjango\u7684PostgreSQL\u652f\u6301\uff1a<\/p>\n<pre><code>pip install psycopg2-binary<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5728Django\u7684\u8a2d\u5b9a\u6587\u4ef6\u4e2d\u914d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n<pre><code>DATABASES = {\n    'default': {\n        'ENGINE': 'django.db.backends.postgresql',\n        'NAME': 'your_database_name',\n        'USER': 'your_username',\n        'PASSWORD': 'your_password',\n        'HOST': 'your_host',\n        'PORT': 'your_port',\n    }\n}<\/code><\/pre>\n<h3 id=\"%e8%a8%ad%e7%bd%aecitus-gUyGtMsFzu\">\u8a2d\u7f6eCitus<\/h3>\n<p>\u5728PostgreSQL\u4e2d\u5b89\u88ddCitus\u64f4\u5c55\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u8a2d\u7f6e\u5206\u7247\uff1a<\/p>\n<pre><code>SELECT create_distributed_table('your_table_name', 'your_shard_key');<\/code><\/pre>\n<p>\u9019\u6a23\uff0cDjango\u5c31\u53ef\u4ee5\u901a\u904eORM\uff08\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff09\u4f86\u64cd\u4f5c\u5206\u5e03\u5f0f\u6578\u64da\u5eab\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528Django\u7684\u67e5\u8a62\u96c6\u4f86\u9032\u884c\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\uff0c\u800c\u4e0d\u9700\u8981\u95dc\u5fc3\u5e95\u5c64\u7684\u6578\u64da\u5206\u7247\u908f\u8f2f\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-gUyGtMsFzu\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08\u591a\u79df\u6236\u7cfb\u7d71\u6642\uff0c\u6027\u80fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4f7f\u7528Citus\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u958b\u767c\u8005\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5206\u7247\u7b56\u7565\uff1a<\/strong> \u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5206\u7247\u9375\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong> \u4f7f\u7528\u7d22\u5f15\u548c\u67e5\u8a62\u8a08\u5283\u4f86\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u548c\u8abf\u6574\uff1a<\/strong> \u5b9a\u671f\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff0c\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-gUyGtMsFzu\">\u7d50\u8ad6<\/h2>\n<p>\u7d50\u5408Python\/Django\u8207PostgreSQL+Citus\u7684\u5206\u5e03\u5f0f\u591a\u79df\u6236\u6578\u64da\u5eab\u67b6\u69cb\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u500b\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u80fd\u5920\u652f\u6301\u5927\u898f\u6a21\u7684\u6578\u64da\u8655\u7406\uff0c\u9084\u80fd\u5920\u70ba\u4e0d\u540c\u7684\u79df\u6236\u63d0\u4f9b\u5b89\u5168\u7684\u6578\u64da\u9694\u96e2\u3002\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u9019\u7a2e\u67b6\u69cb\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\uff0c\u6eff\u8db3\u4e0d\u65b7\u8b8a\u5316\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u90e8\u7f72\u548c\u7ba1\u7406\u60a8\u7684\u5206\u5e03\u5f0f\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Python\/Django\u652f\u6301\u5206\u5e03\u5f0f\u591a\u79df\u6237\u6570\u636e\u5e93\uff0c\u7ed3\u5408Postgres\u548cCitus\u5b9e\u73b0\u9ad8\u6548\u6570\u636e\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-188554","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=188554"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188554\/revisions"}],"predecessor-version":[{"id":188555,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188554\/revisions\/188555"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}