{"id":1682,"date":"2025-02-15T18:57:25","date_gmt":"2025-02-15T10:57:25","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1682"},"modified":"2025-02-15T19:39:13","modified_gmt":"2025-02-15T11:39:13","slug":"cassandra-%e5%ad%a6%e4%b9%a0%e6%8c%87%e5%8d%97%ef%bc%9a%e5%88%97%e6%97%8f%e5%9e%8b-nosql-%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/15\/cassandra-%e5%ad%a6%e4%b9%a0%e6%8c%87%e5%8d%97%ef%bc%9a%e5%88%97%e6%97%8f%e5%9e%8b-nosql-%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e6%9e%b6%e6%9e%84\/","title":{"rendered":"Cassandra \u5b66\u4e60\u6307\u5357\uff1a\u5217\u65cf\u578b NoSQL \u6570\u636e\u5e93\u7684\u5206\u5e03\u5f0f\u67b6\u6784"},"content":{"rendered":"\r\n<h2 class=\"wp-block-heading\">1. Cassandra \u57fa\u7840<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u5206\u5e03\u5f0f\u7684\u5217\u65cf\u578b NoSQL \u6570\u636e\u5e93\uff0c\u65e8\u5728\u5904\u7406\u5927\u91cf\u7684\u7ed3\u6784\u5316\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u6269\u5c55\u5230\u6210\u5343\u4e0a\u4e07\u7684\u8282\u70b9\uff0c\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u65e0\u5355\u70b9\u6545\u969c\u7684\u7279\u6027\u3002Cassandra \u662f\u4e3a\u5206\u5e03\u5f0f\u5b58\u50a8\u8bbe\u8ba1\u7684\uff0c\u80fd\u591f\u63d0\u4f9b\u6781\u9ad8\u7684\u5199\u5165\u541e\u5410\u91cf\u548c\u5bb9\u9519\u80fd\u529b\uff0c\u9002\u5408\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u3002<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">2. Cassandra \u6570\u636e\u6a21\u578b\uff1a\u8868\u3001\u884c\u4e0e\u5217<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u4f7f\u7528\u5217\u65cf\uff08Column Family\uff09\u4f5c\u4e3a\u6570\u636e\u7684\u57fa\u672c\u5b58\u50a8\u7ed3\u6784\u3002\u5217\u65cf\u7c7b\u4f3c\u4e8e\u4f20\u7edf\u6570\u636e\u5e93\u7684\u8868\uff0c\u4f46\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u540c\uff0c\u5217\u65cf\u7684\u7ed3\u6784\u975e\u5e38\u7075\u6d3b\uff0c\u5141\u8bb8\u6bcf\u884c\u6709\u4e0d\u540c\u7684\u5217\u3002<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u8868\uff08Table\uff09<\/strong>\uff1aCassandra \u4e2d\u7684\u6570\u636e\u8868\u53ef\u4ee5\u770b\u4f5c\u662f\u5217\u65cf\uff0c\u7528\u4e8e\u5b58\u50a8\u548c\u7ec4\u7ec7\u6570\u636e\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u884c\uff08Row\uff09<\/strong>\uff1a\u6bcf\u4e2a\u8868\u7531\u591a\u884c\u7ec4\u6210\uff0c\u6bcf\u884c\u7531\u4e3b\u952e\uff08Primary Key\uff09\u6807\u8bc6\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u5217\uff08Column\uff09<\/strong>\uff1a\u6bcf\u884c\u4e2d\u7684\u6570\u636e\u4ee5\u5217\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u53ef\u4ee5\u4e0d\u89c4\u5219\u5730\u6269\u5c55\u5217\u3002\u6bcf\u5217\u7531\u5217\u540d\u3001\u65f6\u95f4\u6233\u548c\u6570\u636e\u503c\u7ec4\u6210\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">3. Cassandra \u67e5\u8be2\u8bed\u8a00\uff1aCQL\uff08Cassandra Query Language\uff09<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">CQL \u662f Cassandra \u63d0\u4f9b\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u7c7b\u4f3c\u4e8e SQL\uff0c\u7528\u4e8e\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u548c\u7ba1\u7406\u64cd\u4f5c\u3002CQL \u8bed\u6cd5\u652f\u6301\u7c7b\u4f3c\u4e8e\u4f20\u7edf SQL \u7684 SELECT\u3001INSERT\u3001UPDATE \u548c DELETE \u64cd\u4f5c\uff0c\u4f46\u4e0d\u652f\u6301 JOIN \u548c\u4e8b\u52a1\u7b49 SQL \u4e2d\u7684\u90e8\u5206\u529f\u80fd\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5e38\u89c1 CQL \u64cd\u4f5c\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u521b\u5efa\u8868<\/strong>\uff1a<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>  CREATE TABLE users (\r\n      user_id UUID PRIMARY KEY,\r\n      name TEXT,\r\n      email TEXT\r\n  );<\/code><\/pre>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u63d2\u5165\u6570\u636e<\/strong>\uff1a<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>  INSERT INTO users (user_id, name, email) VALUES (uuid(), 'John Doe', 'john@example.com');<\/code><\/pre>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u67e5\u8be2\u6570\u636e<\/strong>\uff1a<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>  SELECT * FROM users WHERE user_id = some_uuid;<\/code><\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">4. \u6570\u636e\u5206\u5e03\u4e0e\u526f\u672c\u7b56\u7565<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u4f7f\u7528 <strong>\u6570\u636e\u5206\u5e03<\/strong> \u548c <strong>\u526f\u672c\u7b56\u7565<\/strong> \u6765\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u9519\u6027\u3002\u6570\u636e\u5206\u5e03\u901a\u8fc7\u54c8\u5e0c\u7b97\u6cd5\u5c06\u6570\u636e\u5206\u5e03\u5230\u96c6\u7fa4\u4e2d\u7684\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u800c\u526f\u672c\u7b56\u7565\u5219\u51b3\u5b9a\u4e86\u6bcf\u4e2a\u6570\u636e\u5728\u96c6\u7fa4\u4e2d\u7684\u526f\u672c\u6570\u91cf\u53ca\u5176\u5206\u5e03\u3002<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6570\u636e\u5206\u5e03<\/strong>\uff1aCassandra \u6839\u636e\u4e3b\u952e\u7684\u54c8\u5e0c\u503c\u5c06\u6570\u636e\u5206\u5e03\u5230\u96c6\u7fa4\u4e2d\u7684\u4e0d\u540c\u8282\u70b9\u4e0a\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u526f\u672c\u7b56\u7565<\/strong>\uff1aCassandra \u652f\u6301\u51e0\u79cd\u526f\u672c\u7b56\u7565\uff0c\u5305\u62ec <strong>SimpleStrategy<\/strong> \u548c <strong>NetworkTopologyStrategy<\/strong>\uff0c\u53ef\u4ee5\u6839\u636e\u6570\u636e\u4e2d\u5fc3\u7684\u62d3\u6251\u7ed3\u6784\u8fdb\u884c\u526f\u672c\u914d\u7f6e\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">5. Cassandra \u8282\u70b9\u4e0e\u96c6\u7fa4\u7ba1\u7406<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u96c6\u7fa4\u7531\u591a\u4e2a\u8282\u70b9\u7ec4\u6210\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u76f8\u540c\u7684\u4f5c\u7528\uff0c\u6ca1\u6709\u4e3b\u4ece\u5173\u7cfb\uff0c\u652f\u6301\u6a2a\u5411\u6269\u5c55\u3002\u7ba1\u7406 Cassandra \u96c6\u7fa4\u65f6\uff0c\u9700\u8981\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u8282\u70b9\u914d\u7f6e<\/strong>\uff1a\u6bcf\u4e2a\u8282\u70b9\u914d\u7f6e\u4e86 IP \u5730\u5740\u3001\u6570\u636e\u76ee\u5f55\u3001\u65e5\u5fd7\u76ee\u5f55\u7b49\u4fe1\u606f\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6570\u636e\u5e73\u8861<\/strong>\uff1aCassandra \u4f1a\u81ea\u52a8\u5728\u8282\u70b9\u4e4b\u95f4\u5e73\u8861\u6570\u636e\uff0c\u786e\u4fdd\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6545\u969c\u6062\u590d<\/strong>\uff1aCassandra \u63d0\u4f9b\u4e86\u81ea\u52a8\u4fee\u590d\u548c\u91cd\u5efa\u526f\u672c\u7684\u673a\u5236\uff0c\u5f53\u67d0\u4e2a\u8282\u70b9\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u96c6\u7fa4\u4f1a\u81ea\u52a8\u5c06\u6570\u636e\u8fc1\u79fb\u5230\u5176\u4ed6\u8282\u70b9\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">6. Cassandra \u6570\u636e\u5efa\u6a21<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u7684\u6570\u636e\u5efa\u6a21\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u540c\uff0c\u91cd\u70b9\u5728\u4e8e\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u6765\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u3002\u5e38\u89c1\u7684\u8bbe\u8ba1\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4e3b\u952e\u4e0e\u5206\u533a\u952e<\/strong>\uff1a\u9009\u62e9\u5408\u9002\u7684\u4e3b\u952e\u548c\u5206\u533a\u952e\uff0c\u786e\u4fdd\u6570\u636e\u5747\u5300\u5206\u5e03\u5e76\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u9ad8\u6548\u67e5\u8be2\u4e0e\u7d22\u5f15<\/strong>\uff1a\u6839\u636e\u5e38\u7528\u7684\u67e5\u8be2\u6761\u4ef6\u8bbe\u8ba1\u5408\u9002\u7684\u4e8c\u7ea7\u7d22\u5f15\u6216\u590d\u5408\u4e3b\u952e\uff0c\u4ee5\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5efa\u6a21\u7684\u4e00\u4e2a\u5178\u578b\u6848\u4f8b\u662f\u901a\u8fc7\u5206\u533a\u952e\u786e\u4fdd\u6570\u636e\u6309\u4e1a\u52a1\u903b\u8f91\u5206\u5e03\uff0c\u5e76\u6839\u636e\u67e5\u8be2\u9700\u8981\u8bbe\u8ba1\u7d22\u5f15\u3002<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">7. \u6570\u636e\u4e00\u81f4\u6027\u4e0e CAP \u7406\u8bba<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Cassandra \u662f\u4e00\u4e2a\u57fa\u4e8e <strong>CAP \u7406\u8bba<\/strong> \u7684\u6570\u636e\u5e93\uff0c\u5728\u4e00\u81f4\u6027\uff08Consistency\uff09\u3001\u53ef\u7528\u6027\uff08Availability\uff09\u548c\u5206\u533a\u5bb9\u9519\u6027\uff08Partition Tolerance\uff09\u4e4b\u95f4\u505a\u51fa\u4e86\u5e73\u8861\u3002Cassandra \u4e3b\u8981\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u5206\u533a\u5bb9\u9519\u6027\uff0c\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\u727a\u7272\u4e00\u81f4\u6027\u6765\u4fdd\u8bc1\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u4e00\u81f4\u6027\u7ea7\u522b\uff08Consistency Level\uff09<\/strong>\uff1aCassandra \u5141\u8bb8\u914d\u7f6e\u4e0d\u540c\u7684\u4e00\u81f4\u6027\u7ea7\u522b\uff0c\u4f8b\u5982 QUORUM\u3001ALL\u3001ONE \u7b49\uff0c\u6765\u63a7\u5236\u8bfb\u5199\u64cd\u4f5c\u7684\u53ef\u7528\u6027\u4e0e\u4e00\u81f4\u6027\u3002<\/li>\r\n\r\n\r\n\r\n<li><strong>\u6700\u7ec8\u4e00\u81f4\u6027<\/strong>\uff1aCassandra \u5b9e\u73b0\u7684\u662f\u6700\u7ec8\u4e00\u81f4\u6027\uff0c\u610f\u5473\u7740\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\uff0c\u6570\u636e\u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u4f46\u6700\u7ec8\u4f1a\u540c\u6b65\u66f4\u65b0\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">8. \u5b9e\u8df5\u64cd\u4f5c<\/h2>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">1\u3001<strong>\u5b89\u88c5\u4e0e\u914d\u7f6e Cassandra<\/strong><\/h3>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u5b89\u88c5 Cassandra\uff0c\u5e76\u8fdb\u884c\u57fa\u672c\u7684\u914d\u7f6e\uff0c\u5982\u914d\u7f6e\u6570\u636e\u76ee\u5f55\u3001\u65e5\u5fd7\u76ee\u5f55\u7b49\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u914d\u7f6e Cassandra \u7684\u96c6\u7fa4\u62d3\u6251\u548c\u526f\u672c\u7b56\u7565\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">2\u3001<strong>\u6570\u636e\u5efa\u6a21\u4e0e CQL \u67e5\u8be2<\/strong><\/h3>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u8bbe\u8ba1\u4e00\u4e2a\u6570\u636e\u6a21\u578b\uff0c\u4f7f\u7528 Cassandra \u6570\u636e\u5efa\u6a21\u6280\u5de7\uff08\u5982\u5206\u533a\u952e\u4e0e\u4e3b\u952e\u8bbe\u8ba1\uff09\u6765\u4f18\u5316\u67e5\u8be2\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u4f7f\u7528 CQL \u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c\uff0c\u6d4b\u8bd5\u6570\u636e\u6a21\u578b\u7684\u6027\u80fd\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">3\u3001<strong>\u8bbe\u8ba1\u4e00\u4e2a\u5b9e\u65f6\u65e5\u5fd7\u5904\u7406\u7cfb\u7edf<\/strong><\/h3>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>\u4f7f\u7528 Cassandra \u6765\u5b58\u50a8\u548c\u5904\u7406\u5b9e\u65f6\u65e5\u5fd7\u6570\u636e\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u8bbe\u8ba1\u5408\u9002\u7684\u6570\u636e\u6a21\u578b\uff0c\u652f\u6301\u9ad8\u6548\u7684\u65e5\u5fd7\u5199\u5165\u4e0e\u67e5\u8be2\u3002<\/li>\r\n\r\n\r\n\r\n<li>\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u914d\u7f6e\u5408\u9002\u7684\u4e00\u81f4\u6027\u7ea7\u522b\uff0c\u786e\u4fdd\u6570\u636e\u7684\u53ef\u7528\u6027\u548c\u5bb9\u9519\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u8fd9\u4e00\u90e8\u5206\u7684\u5b66\u4e60\uff0c\u60a8\u5c06\u638c\u63e1 Cassandra \u7684\u57fa\u7840\u77e5\u8bc6\u3001\u6570\u636e\u6a21\u578b\u8bbe\u8ba1\u3001\u67e5\u8be2\u8bed\u8a00\u3001\u5206\u5e03\u5f0f\u67b6\u6784\u7b49\u5173\u952e\u6982\u5ff5\uff0c\u5e76\u80fd\u591f\u5e94\u7528 Cassandra \u6784\u5efa\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5904\u7406\u7cfb\u7edf\u3002<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>1. 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