{"id":152171,"date":"2024-11-01T20:42:23","date_gmt":"2024-11-01T12:42:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152171\/"},"modified":"2024-11-01T20:42:23","modified_gmt":"2024-11-01T12:42:23","slug":"%e4%b8%a6%e7%99%bcredis%e8%ae%80%e5%af%ab%e4%b8%a6%e8%a1%8c%ef%bc%88redis%e8%ae%80%e5%af%ab%e5%90%8c%e6%99%82%e9%80%b2%e8%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152171\/","title":{"rendered":"\u4e26\u767cRedis\u8b80\u5beb\u4e26\u884c\uff08redis\u8b80\u5beb\u540c\u6642\u9032\u884c\uff09"},"content":{"rendered":"<h1 id=\"%e4%b8%a6%e7%99%bcredis%e8%ae%80%e5%af%ab%e4%b8%a6%e8%a1%8c%ef%bc%88redis%e8%ae%80%e5%af%ab%e5%90%8c%e6%99%82%e9%80%b2%e8%a1%8c%ef%bc%89-vgVrFECYEZ\">\u4e26\u767cRedis\u8b80\u5beb\u4e26\u884c\uff08redis\u8b80\u5beb\u540c\u6642\u9032\u884c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u9032\u884c\u4e26\u767c\u8b80\u5beb\u64cd\u4f5c\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u500b\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u4e26\u767c\u8b80\u5beb\u7279\u6027\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-vgVrFECYEZ\">Redis\u7684\u57fa\u672c\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u5176\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis\u80fd\u5920\u4ee5\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u901f\u5ea6\u8655\u7406\u8b80\u5beb\u8acb\u6c42\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301RDB\u5feb\u7167\u548cAOF\u65e5\u8a8c\u6301\u4e45\u5316\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/li>\n<li>\u539f\u5b50\u6027\uff1a\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u6253\u65b7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e7%9a%84%e6%8c%91%e6%88%b0-vgVrFECYEZ\">\u4e26\u767c\u8b80\u5beb\u7684\u6311\u6230<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0cRedis\u7684\u55ae\u7dda\u7a0b\u6a21\u578b\u96d6\u7136\u80fd\u5920\u4fdd\u8b49\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u4f46\u5728\u8b80\u5beb\u64cd\u4f5c\u540c\u6642\u9032\u884c\u6642\uff0c\u4ecd\u7136\u53ef\u80fd\u6703\u9047\u5230\u6027\u80fd\u74f6\u9838\u3002\u7279\u5225\u662f\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5927\u91cf\u7684\u5beb\u5165\u8acb\u6c42\uff1a\u7576\u5beb\u5165\u8acb\u6c42\u904e\u591a\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8b80\u53d6\u8acb\u6c42\u7684\u5ef6\u9072\u3002<\/li>\n<li>\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff1a\u4f7f\u7528\u54c8\u5e0c\u3001\u5217\u8868\u7b49\u8907\u96dc\u6578\u64da\u7d50\u69cb\u6642\uff0c\u64cd\u4f5c\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e4%b8%a6%e7%99%bc%e8%ae%80%e5%af%ab%e7%9a%84%e7%ad%96%e7%95%a5-vgVrFECYEZ\">\u5be6\u73fe\u4e26\u767c\u8b80\u5beb\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5730\u5be6\u73feRedis\u7684\u4e26\u767c\u8b80\u5beb\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%86%e7%89%87%ef%bc%88sharding%ef%bc%89-vgVrFECYEZ\">1. \u4f7f\u7528\u5206\u7247\uff08Sharding\uff09<\/h3>\n<p>\u901a\u904e\u5c07\u6578\u64da\u5206\u7247\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u55ae\u500b\u5be6\u4f8b\u7684\u8ca0\u8f09\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7684\u8b80\u5beb\u6027\u80fd\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u5927\u898f\u6a21\u61c9\u7528\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%ae%80%e5%af%ab%e5%88%86%e9%9b%a2-vgVrFECYEZ\">2. \u4f7f\u7528\u8b80\u5beb\u5206\u96e2<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e2d\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u8b80\u64cd\u4f5c\u548c\u5beb\u64cd\u4f5c\u5206\u958b\u3002\u901a\u5e38\u60c5\u6cc1\u4e0b\uff0c\u5c07\u5beb\u64cd\u4f5c\u6307\u5411\u4e3b\u7bc0\u9ede\uff0c\u800c\u5c07\u8b80\u64cd\u4f5c\u6307\u5411\u5f9e\u7bc0\u9ede\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u4e3b\u7bc0\u9ede\u7684\u8ca0\u64d4\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%ef%bc%88pipelining%ef%bc%89-vgVrFECYEZ\">3. \u4f7f\u7528\u7ba1\u9053\uff08Pipelining\uff09<\/h3>\n<p>Redis\u652f\u6301\u7ba1\u9053\u6280\u8853\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u5f9e\u800c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u9019\u5c0d\u65bc\u9700\u8981\u9032\u884c\u5927\u91cf\u8b80\u5beb\u64cd\u4f5c\u7684\u5834\u666f\u7279\u5225\u6709\u6548\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528\u7ba1\u9053\u7684\u793a\u4f8b\nimport redis\n\nr = redis.Redis()\npipe = r.pipeline()\nfor i in range(100):\n    pipe.set(f'key{i}', f'value{i}')\npipe.execute()\n<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac-vgVrFECYEZ\">4. \u4f7f\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u591a\u6b21\u5f80\u8fd4\u7684\u5ef6\u9072\uff0c\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528Lua\u8173\u672c\u7684\u793a\u4f8b\nscript = \"\"\"\nlocal current = redis.call('get', KEYS[1])\nif current then\n    return redis.call('set', KEYS[1], ARGV[1])\nelse\n    return nil\nend\n\"\"\"\nr.eval(script, 1, 'key1', 'new_value')\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vgVrFECYEZ\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\uff0cRedis\u7684\u4e26\u767c\u8b80\u5beb\u64cd\u4f5c\u662f\u4e00\u500b\u91cd\u8981\u7684\u6027\u80fd\u8003\u91cf\u3002\u901a\u904e\u5408\u7406\u7684\u67b6\u69cb\u8a2d\u8a08\u548c\u6280\u8853\u9078\u64c7\uff0c\u5982\u5206\u7247\u3001\u8b80\u5beb\u5206\u96e2\u3001\u7ba1\u9053\u548cLua\u8173\u672c\u7b49\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347Redis\u7684\u6027\u80fd\uff0c\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddRedis\u7684\u7a69\u5b9a\u904b\u884c\u548c\u9ad8\u6548\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4e26\u767cRedis\u8b80\u5beb\u4e26\u884c\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u5be6\u6642\u6578\u64da\u5b58\u53d6\u89e3\u6c7a\u65b9\u6848\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-152171","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152171","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=152171"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152171\/revisions"}],"predecessor-version":[{"id":152172,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152171\/revisions\/152172"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}