{"id":196139,"date":"2024-11-13T20:48:20","date_gmt":"2024-11-13T12:48:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196139\/"},"modified":"2024-11-13T20:48:22","modified_gmt":"2024-11-13T12:48:22","slug":"%e6%8e%8c%e6%8f%a1redis%e9%81%8b%e7%b6%ad%e8%88%87%e9%96%8b%e7%99%bc%e6%8a%80%e5%b7%a7%e5%85%a8%e6%94%bb%e7%95%a5%ef%bc%88redis%e9%81%8b%e7%b6%ad%e5%92%8c%e9%96%8b%e7%99%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196139\/","title":{"rendered":"\u638c\u63e1Redis\u904b\u7dad\u8207\u958b\u767c\u6280\u5de7\u5168\u653b\u7565\uff08redis\u904b\u7dad\u548c\u958b\u767c\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%8c%e6%8f%a1redis%e9%81%8b%e7%b6%ad%e8%88%87%e9%96%8b%e7%99%bc%e6%8a%80%e5%b7%a7%e5%85%a8%e6%94%bb%e7%95%a5-eUTLvwLIBB\">\u638c\u63e1Redis\u904b\u7dad\u8207\u958b\u767c\u6280\u5de7\u5168\u653b\u7565<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u5927\u6578\u64da\u548c\u96f2\u8a08\u7b97\u7684\u767c\u5c55\uff0cRedis\u7684\u4f7f\u7528\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u904b\u7dad\u8207\u958b\u767c\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u66f4\u597d\u5730\u638c\u63e1\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-eUTLvwLIBB\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\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\u5b83\u7684\u9ad8\u6548\u6027\u80fd\u4e3b\u8981\u5f97\u76ca\u65bc\u5176\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u5230\u78c1\u789f\u3002<\/p>\n<h3 id=\"redis%e7%9a%84%e4%b8%bb%e8%a6%81%e7%89%b9%e6%80%a7-eUTLvwLIBB\">Redis\u7684\u4e3b\u8981\u7279\u6027<\/h3>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u5834\u666f\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u652f\u6301RDB\u5feb\u7167\u548cAOF\u65e5\u8a8c\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/li>\n<li><strong>\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u9748\u6d3b\u61c9\u5c0d\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>\u901a\u904eRedis Cluster\u5be6\u73fe\u6578\u64da\u7684\u5206\u7247\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e9%81%8b%e7%b6%ad%e6%8a%80%e5%b7%a7-eUTLvwLIBB\">Redis\u7684\u904b\u7dad\u6280\u5de7<\/h2>\n<h3 id=\"1-%e7%9b%a3%e6%8e%a7redis%e6%80%a7%e8%83%bd-eUTLvwLIBB\">1. \u76e3\u63a7Redis\u6027\u80fd<\/h3>\n<p>\u904b\u7dadRedis\u7684\u7b2c\u4e00\u6b65\u662f\u76e3\u63a7\u5176\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u81ea\u5e36\u7684\u547d\u4ee4\uff0c\u5982<code>INFO<\/code>\uff0c\u4f86\u7372\u53d6\u670d\u52d9\u5668\u7684\u904b\u884c\u72c0\u614b\u548c\u6027\u80fd\u6307\u6a19\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u95dc\u9375\u6307\u6a19\uff1a<\/p>\n<ul>\n<li><strong>used_memory\uff1a<\/strong>\u7576\u524d\u4f7f\u7528\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>connected_clients\uff1a<\/strong>\u7576\u524d\u9023\u63a5\u7684\u5ba2\u6236\u7aef\u6578\u91cf\u3002<\/li>\n<li><strong>uptime_in_seconds\uff1a<\/strong>\u670d\u52d9\u5668\u904b\u884c\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-eUTLvwLIBB\">2. \u8a2d\u7f6e\u5408\u7406\u7684\u5167\u5b58\u9650\u5236<\/h3>\n<p>Redis\u7684\u5167\u5b58\u4f7f\u7528\u9700\u8981\u5408\u7406\u914d\u7f6e\uff0c\u907f\u514d\u56e0\u70ba\u5167\u5b58\u4e0d\u8db3\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u901a\u904e<code>maxmemory<\/code>\u53c3\u6578\u8a2d\u7f6e\u5167\u5b58\u4e0a\u9650\uff0c\u4e26\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\uff0c\u5982<code>volatile-lru<\/code>\u6216<code>allkeys-lru<\/code>\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%8c%81%e4%b9%85%e5%8c%96%e9%85%8d%e7%bd%ae-eUTLvwLIBB\">3. \u6578\u64da\u6301\u4e45\u5316\u914d\u7f6e<\/h3>\n<p>\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u65b9\u5f0f\u3002RDB\u9069\u5408\u65bc\u9700\u8981\u5feb\u901f\u6062\u5fa9\u7684\u5834\u666f\uff0c\u800cAOF\u5247\u9069\u5408\u9700\u8981\u66f4\u9ad8\u6578\u64da\u5b89\u5168\u6027\u7684\u5834\u666f\u3002\u53ef\u4ee5\u901a\u904e<code>save<\/code>\u548c<code>appendfsync<\/code>\u53c3\u6578\u9032\u884c\u914d\u7f6e\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%96%8b%e7%99%bc%e6%8a%80%e5%b7%a7-eUTLvwLIBB\">Redis\u7684\u958b\u767c\u6280\u5de7<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%e6%8a%80%e8%a1%93-eUTLvwLIBB\">1. \u4f7f\u7528\u7ba1\u9053\u6280\u8853<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u901a\u904e\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u767c\u9001\uff0c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u7ba1\u9053\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\nr = redis.Redis()\npipe = r.pipeline()\nfor i in range(1000):\n    pipe.set(f'key{i}', f'value{i}')\npipe.execute()\n<\/code><\/pre>\n<h3 id=\"2-%e5%88%a9%e7%94%a8lua%e8%85%b3%e6%9c%ac-eUTLvwLIBB\">2. \u5229\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u591a\u500b\u547d\u4ee4\uff0c\u6e1b\u5c11\u7db2\u7d61\u5f80\u8fd4\u6b21\u6578\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Lua\u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>script = \"\"\"\nlocal value = redis.call('get', KEYS[1])\nif value then\n    return value\nelse\n    return 'not found'\nend\n\"\"\"\nresult = r.eval(script, 1, 'key1')\n<\/code><\/pre>\n<h3 id=\"3-%e9%81%a9%e7%95%b6%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-eUTLvwLIBB\">3. \u9069\u7576\u4f7f\u7528\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u54c8\u5e0c\u4f86\u5b58\u5132\u7528\u6236\u4fe1\u606f\uff0c\u4f7f\u7528\u5217\u8868\u4f86\u5be6\u73fe\u6d88\u606f\u968a\u5217\uff0c\u4f7f\u7528\u96c6\u5408\u4f86\u9032\u884c\u53bb\u91cd\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eUTLvwLIBB\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1Redis\u7684\u904b\u7dad\u8207\u958b\u767c\u6280\u5de7\u5c0d\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u7684\u76e3\u63a7\u3001\u5167\u5b58\u7ba1\u7406\u548c\u6578\u64da\u6301\u4e45\u5316\u914d\u7f6e\uff0c\u53ef\u4ee5\u78ba\u4fddRedis\u5728\u9ad8\u8ca0\u8f09\u4e0b\u7684\u7a69\u5b9a\u904b\u884c\u3002\u540c\u6642\uff0c\u5229\u7528\u7ba1\u9053\u6280\u8853\u548cLua\u8173\u672c\u7b49\u958b\u767c\u6280\u5de7\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Redis\u904b\u7dad\u8207\u958b\u767c\u6280\u5de7\u5168\u653b\u7565\uff0c\u6df1\u5165\u5b78\u7fd2Redis\u7684\u6700\u4f73\u5be6\u8e10\u3001\u6027\u80fd\u512a\u5316\u53ca\u6545\u969c\u6392\u9664\uff0c\u63d0\u5347\u4f60\u7684\u6280\u8853\u80fd\u529b\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-196139","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196139","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=196139"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196139\/revisions"}],"predecessor-version":[{"id":196140,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196139\/revisions\/196140"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}