{"id":122284,"date":"2024-10-25T12:23:18","date_gmt":"2024-10-25T04:23:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/122284\/"},"modified":"2024-10-25T12:23:19","modified_gmt":"2024-10-25T04:23:19","slug":"redis-%e9%9b%86%e7%be%a4%e7%9a%84-cap-%e5%ae%9a%e7%90%86%e4%bf%9d%e9%9a%9c%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/122284\/","title":{"rendered":"Redis \u96c6\u7fa4\u7684 CAP \u5b9a\u7406\u4fdd\u969c\u9ad8\u53ef\u7528\u6027"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84-cap-%e5%ae%9a%e7%90%86%e4%bf%9d%e9%9a%9c%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-pBwdBBzEIt\">Redis \u96c6\u7fa4\u7684 CAP \u5b9a\u7406\u4fdd\u969c\u9ad8\u53ef\u7528\u6027<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0cCAP \u5b9a\u7406\uff08Consistency, Availability, Partition Tolerance\uff09\u662f\u8a2d\u8a08\u548c\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u7cfb\u7d71\u7684\u91cd\u8981\u7406\u8ad6\u57fa\u790e\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u96c6\u7fa4\u6a21\u5f0f\u4f86\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u5982\u4f55\u5728 CAP \u5b9a\u7406\u7684\u6846\u67b6\u4e0b\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"cap-%e5%ae%9a%e7%90%86%e6%a6%82%e8%bf%b0-pBwdBBzEIt\">CAP \u5b9a\u7406\u6982\u8ff0<\/h2>\n<p>CAP \u5b9a\u7406\u7531 Eric Brewer \u63d0\u51fa\uff0c\u6307\u51fa\u5728\u4e00\u500b\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6700\u591a\u53ea\u80fd\u540c\u6642\u6eff\u8db3\u4ee5\u4e0b\u4e09\u500b\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u81f4\u6027\uff08Consistency\uff09<\/strong>\uff1a\u6240\u6709\u7bc0\u9ede\u5728\u540c\u4e00\u6642\u9593\u770b\u5230\u76f8\u540c\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u53ef\u7528\u6027\uff08Availability\uff09<\/strong>\uff1a\u6bcf\u500b\u8acb\u6c42\u90fd\u80fd\u7372\u5f97\u97ff\u61c9\uff0c\u7121\u8ad6\u8acb\u6c42\u7684\u7d50\u679c\u662f\u6210\u529f\u9084\u662f\u5931\u6557\u3002<\/li>\n<li><strong>\u5206\u5340\u5bb9\u5fcd\u6027\uff08Partition Tolerance\uff09<\/strong>\uff1a\u7cfb\u7d71\u5728\u7db2\u7d61\u5206\u5340\u7684\u60c5\u6cc1\u4e0b\u4ecd\u80fd\u7e7c\u7e8c\u904b\u884c\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da CAP \u5b9a\u7406\uff0cRedis \u5728\u8a2d\u8a08\u6642\u9700\u8981\u5728\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u4e4b\u9593\u505a\u51fa\u53d6\u6368\uff0c\u7279\u5225\u662f\u5728\u9762\u5c0d\u7db2\u7d61\u5206\u5340\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e6%9e%b6%e6%a7%8b-pBwdBBzEIt\">Redis \u96c6\u7fa4\u67b6\u69cb<\/h2>\n<p>Redis \u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u6563\u5f0f\u67b6\u69cb\uff0c\u901a\u904e\u5c07\u6578\u64da\u5206\u7247\uff08sharding\uff09\u4f86\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002\u6bcf\u500b\u7bc0\u9ede\u90fd\u53ef\u4ee5\u5b58\u5132\u4e00\u90e8\u5206\u6578\u64da\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u4f86\u63d0\u9ad8\u53ef\u7528\u6027\u3002\u7576\u4e3b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u5f9e\u7bc0\u9ede\u53ef\u4ee5\u81ea\u52d5\u63d0\u5347\u70ba\u4e3b\u7bc0\u9ede\uff0c\u5f9e\u800c\u4fdd\u8b49\u7cfb\u7d71\u7684\u6301\u7e8c\u904b\u884c\u3002<\/p>\n<h3 id=\"%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-pBwdBBzEIt\">\u4e3b\u5f9e\u8907\u88fd<\/h3>\n<p>Redis \u652f\u6301\u4e3b\u5f9e\u8907\u88fd\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u4e3b\u7bc0\u9ede\u53ef\u4ee5\u6709\u591a\u500b\u5f9e\u7bc0\u9ede\u3002\u5f9e\u7bc0\u9ede\u6703\u5b9a\u671f\u5f9e\u4e3b\u7bc0\u9ede\u540c\u6b65\u6578\u64da\uff0c\u9019\u6a23\u5373\u4f7f\u4e3b\u7bc0\u9ede\u767c\u751f\u6545\u969c\uff0c\u7cfb\u7d71\u4ecd\u7136\u53ef\u4ee5\u901a\u904e\u5f9e\u7bc0\u9ede\u63d0\u4f9b\u670d\u52d9\u3002<\/p>\n<pre><code>\n# \u8a2d\u5b9a\u4e3b\u5f9e\u8907\u88fd\n# \u5728\u5f9e\u7bc0\u9ede\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\nreplicaof  \n<\/code><\/pre>\n<h3 id=\"%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb-pBwdBBzEIt\">\u6545\u969c\u8f49\u79fb<\/h3>\n<p>Redis \u96c6\u7fa4\u9084\u652f\u6301\u81ea\u52d5\u6545\u969c\u8f49\u79fb\uff08failover\uff09\u3002\u7576\u4e3b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u96c6\u7fa4\u6703\u81ea\u52d5\u9078\u8209\u4e00\u500b\u5f9e\u7bc0\u9ede\u4f5c\u70ba\u65b0\u7684\u4e3b\u7bc0\u9ede\uff0c\u9019\u4e00\u904e\u7a0b\u662f\u900f\u660e\u7684\uff0c\u5c0d\u7528\u6236\u4f86\u8aaa\u5e7e\u4e4e\u6c92\u6709\u5f71\u97ff\u3002<\/p>\n<h2 id=\"cap-%e5%ae%9a%e7%90%86%e4%b8%8b%e7%9a%84%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-pBwdBBzEIt\">CAP \u5b9a\u7406\u4e0b\u7684\u9ad8\u53ef\u7528\u6027<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u7576\u9762\u81e8\u7db2\u7d61\u5206\u5340\u6642\uff0c\u7cfb\u7d71\u6703\u9078\u64c7\u4fdd\u6301\u53ef\u7528\u6027\u800c\u653e\u68c4\u4e00\u81f4\u6027\u3002\u9019\u610f\u5473\u8457\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5ba2\u6236\u7aef\u53ef\u80fd\u6703\u8b80\u53d6\u5230\u904e\u6642\u7684\u6578\u64da\u3002\u9019\u7a2e\u8a2d\u8a08\u9078\u64c7\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u9ad8\u8ca0\u8f09\u548c\u6545\u969c\u60c5\u6cc1\u4e0b\u4ecd\u7136\u4fdd\u6301\u670d\u52d9\u7684\u53ef\u7528\u6027\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u5927\u578b\u96fb\u5546\u5e73\u53f0\u4e2d\uff0c\u7576\u7528\u6236\u67e5\u8a62\u5546\u54c1\u5eab\u5b58\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u56e0\u70ba\u7db2\u7d61\u554f\u984c\u800c\u7121\u6cd5\u5373\u6642\u66f4\u65b0\u5eab\u5b58\u6578\u64da\u3002\u6b64\u6642\uff0cRedis \u53ef\u80fd\u6703\u8fd4\u56de\u820a\u7684\u5eab\u5b58\u6578\u64da\uff0c\u4f46\u4ecd\u7136\u80fd\u5920\u97ff\u61c9\u7528\u6236\u7684\u8acb\u6c42\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u7cfb\u7d71\u4e0d\u53ef\u7528\u800c\u5c0e\u81f4\u7684\u640d\u5931\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-pBwdBBzEIt\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u5728 CAP \u5b9a\u7406\u7684\u6307\u5c0e\u4e0b\uff0c\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u548c\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u7b49\u6a5f\u5236\uff0c\u5be6\u73fe\u4e86\u9ad8\u53ef\u7528\u6027\u3002\u96d6\u7136\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u72a7\u7272\u4e00\u81f4\u6027\uff0c\u4f46\u9019\u7a2e\u8a2d\u8a08\u9078\u64c7\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u9762\u5c0d\u9ad8\u8ca0\u8f09\u548c\u6545\u969c\u6642\uff0c\u4ecd\u7136\u4fdd\u6301\u7a69\u5b9a\u7684\u670d\u52d9\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u5834\u666f\uff0cRedis \u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u96c6\u7fa4\u5982\u4f55\u901a\u8fc7CAP\u5b9a\u7406\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u7cfb\u7edf\u53ef\u7528\u6027\u7684\u6700\u4f73\u5e73\u8861\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-122284","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122284","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=122284"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122284\/revisions"}],"predecessor-version":[{"id":122285,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/122284\/revisions\/122285"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=122284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=122284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=122284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}