{"id":190762,"date":"2024-11-12T15:18:21","date_gmt":"2024-11-12T07:18:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190762\/"},"modified":"2024-11-12T15:18:22","modified_gmt":"2024-11-12T07:18:22","slug":"%e7%b3%bb%e7%b5%b1%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90%e8%88%87%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190762\/","title":{"rendered":"\u7cfb\u7d71\u6df1\u5165\u6dfa\u51faRedis\u6e90\u78bc\u5206\u6790\u8207\u5206\u4f48\u5f0f\u7cfb\u7d71\uff08redis\u6e90\u78bc\u5206\u6790\u5206\u4f48\u5f0f\uff09"},"content":{"rendered":"<h1 id=\"%e7%b3%bb%e7%b5%b1%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90%e8%88%87%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1-oqKyZRjzqN\">\u7cfb\u7d71\u6df1\u5165\u6dfa\u51faRedis\u6e90\u78bc\u5206\u6790\u8207\u5206\u4f48\u5f0f\u7cfb\u7d71<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002\u5b83\u7684\u6e90\u78bc\u7d50\u69cb\u6e05\u6670\uff0c\u529f\u80fd\u5f37\u5927\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u672c\u6587\u5c07\u6df1\u5165\u5206\u6790Redis\u7684\u6e90\u78bc\uff0c\u4e26\u63a2\u8a0e\u5176\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-oqKyZRjzqN\">Redis\u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Redis\u7684\u6838\u5fc3\u67b6\u69cb\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5ba2\u6236\u7aef<\/strong>\uff1a\u7528\u6236\u901a\u904e\u5ba2\u6236\u7aef\u8207Redis\u670d\u52d9\u5668\u9032\u884c\u4ea4\u4e92\uff0c\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u7684\u5ba2\u6236\u7aef\u5eab\u3002<\/li>\n<li><strong>\u670d\u52d9\u5668<\/strong>\uff1aRedis\u670d\u52d9\u5668\u8ca0\u8cac\u8655\u7406\u8acb\u6c42\uff0c\u57f7\u884c\u547d\u4ee4\uff0c\u4e26\u7ba1\u7406\u6578\u64da\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316<\/strong>\uff1aRedis\u652f\u6301RDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f<\/strong>\uff1aRedis Cluster\u548cSentinel\u63d0\u4f9b\u4e86\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90-oqKyZRjzqN\">Redis\u6e90\u78bc\u5206\u6790<\/h2>\n<p>Redis\u7684\u6e90\u78bc\u4e3b\u8981\u7528C\u8a9e\u8a00\u7de8\u5beb\uff0c\u7d50\u69cb\u6e05\u6670\uff0c\u6613\u65bc\u7406\u89e3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u6a21\u584a\u7684\u5206\u6790\uff1a<\/p>\n<h3 id=\"%e5%91%bd%e4%bb%a4%e8%99%95%e7%90%86-oqKyZRjzqN\">\u547d\u4ee4\u8655\u7406<\/h3>\n<p>Redis\u7684\u547d\u4ee4\u8655\u7406\u4e3b\u8981\u5728`server.c`\u6587\u4ef6\u4e2d\u9032\u884c\u3002\u7576\u5ba2\u6236\u7aef\u767c\u9001\u8acb\u6c42\u6642\uff0cRedis\u6703\u89e3\u6790\u547d\u4ee4\u4e26\u8abf\u7528\u76f8\u61c9\u7684\u8655\u7406\u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u547d\u4ee4\u8655\u7406\u7684\u7c21\u8981\u6d41\u7a0b\uff1a<\/p>\n<pre><code>\nvoid processCommand(client *c) {\n    \/\/ \u89e3\u6790\u547d\u4ee4\n    int argc = c-&gt;argc;\n    robj **argv = c-&gt;argv;\n\n    \/\/ \u6839\u64da\u547d\u4ee4\u540d\u7a31\u67e5\u627e\u5c0d\u61c9\u7684\u8655\u7406\u51fd\u6578\n    command *cmd = lookupCommand(argv[0]);\n    if (cmd) {\n        \/\/ \u57f7\u884c\u547d\u4ee4\n        cmd-&gt;proc(c);\n    } else {\n        \/\/ \u8fd4\u56de\u932f\u8aa4\n        addReplyError(c, \"unknown command\");\n    }\n}\n<\/code><\/pre>\n<h3 id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-oqKyZRjzqN\">\u6578\u64da\u7d50\u69cb<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5be6\u73fe\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u4f7f\u7528`robj`\u7d50\u69cb\u4f86\u8868\u793a\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\uff0c\u5982\u8a2d\u7f6e\u3001\u7372\u53d6\u7b49\u3002\u4ee5\u4e0b\u662f\u5b57\u7b26\u4e32\u7684\u8a2d\u7f6e\u64cd\u4f5c\u7684\u7c21\u8981\u5be6\u73fe\uff1a<\/p>\n<pre><code>\nvoid setCommand(client *c) {\n    \/\/ \u7372\u53d6\u9375\u548c\u503c\n    robj *key = c-&gt;argv[1];\n    robj *value = c-&gt;argv[2];\n\n    \/\/ \u8a2d\u7f6e\u9375\u503c\u5c0d\n    dictAdd(c-&gt;db-&gt;dict, key, value);\n    addReply(c, shared.ok);\n}\n<\/code><\/pre>\n<h2 id=\"%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%e4%b8%ad%e7%9a%84redis-oqKyZRjzqN\">\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684Redis<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0cRedis\u7684\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002Redis Cluster\u5141\u8a31\u7528\u6236\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u4ee5\u4e0b\u662fRedis Cluster\u7684\u4e00\u4e9b\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u5206\u7247<\/strong>\uff1aRedis Cluster\u81ea\u52d5\u5c07\u6578\u64da\u5206\u7247\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\uff0c\u6e1b\u5c11\u4e86\u624b\u52d5\u914d\u7f6e\u7684\u9ebb\u7169\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb<\/strong>\uff1a\u7576\u67d0\u500b\u7bc0\u9ede\u5931\u6548\u6642\uff0cCluster\u6703\u81ea\u52d5\u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5176\u4ed6\u53ef\u7528\u7684\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u7dda\u6027\u64f4\u5c55<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u901a\u904e\u589e\u52a0\u7bc0\u9ede\u4f86\u8f15\u9b06\u64f4\u5c55\u7cfb\u7d71\u7684\u5bb9\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oqKyZRjzqN\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5176\u6e90\u78bc\u7d50\u69cb\u6e05\u6670\uff0c\u529f\u80fd\u5f37\u5927\uff0c\u4e26\u4e14\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5177\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\u3002\u901a\u904e\u6df1\u5165\u5206\u6790Redis\u7684\u6e90\u78bc\uff0c\u6211\u5011\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u5167\u90e8\u904b\u4f5c\u539f\u7406\uff0c\u4e26\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u5145\u5206\u767c\u63ee\u5176\u512a\u52e2\u3002\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3001<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u6dfa\u51faRedis\u6e90\u78bc\u5206\u6790\uff0c\u63a2\u7d22Redis\u7684\u67b6\u69cb\u8207\u539f\u7406\uff0c\u4e26\u89e3\u6790\u5176\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u8207\u512a\u52e2\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-190762","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190762","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=190762"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190762\/revisions"}],"predecessor-version":[{"id":190763,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190762\/revisions\/190763"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}