{"id":197590,"date":"2024-11-14T09:10:24","date_gmt":"2024-11-14T01:10:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197590\/"},"modified":"2024-11-14T09:10:26","modified_gmt":"2024-11-14T01:10:26","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%b5%b7%e9%87%8f%e6%95%b8%e6%93%9a%e8%a8%aa%e5%95%8f%ef%bc%88redis%e8%a8%aa%e5%95%8f%e6%b5%b7%e9%87%8f%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197590\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u6d77\u91cf\u6578\u64da\u8a2a\u554f\uff08redis\u8a2a\u554f\u6d77\u91cf\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%b5%b7%e9%87%8f%e6%95%b8%e6%93%9a%e8%a8%aa%e5%95%8f-kxiJIYCtnP\">\u5229\u7528Redis\u5be6\u73fe\u6d77\u91cf\u6578\u64da\u8a2a\u554f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u4f01\u696d\u9762\u81e8\u8457\u5982\u4f55\u9ad8\u6548\u5730\u5b58\u5132\u548c\u8a2a\u554f\u6d77\u91cf\u6578\u64da\u7684\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u6d77\u91cf\u6578\u64da\u7684\u8a2a\u554f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-kxiJIYCtnP\">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\u7531\u65bc\u5176\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0cRedis\u80fd\u5920\u63d0\u4f9b\u6975\u5feb\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\uff0c\u9019\u4f7f\u5f97\u5b83\u7279\u5225\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bd%95%e9%81%b8%e6%93%87redis%e4%be%86%e8%99%95%e7%90%86%e6%b5%b7%e9%87%8f%e6%95%b8%e6%93%9a-kxiJIYCtnP\">\u70ba\u4f55\u9078\u64c7Redis\u4f86\u8655\u7406\u6d77\u91cf\u6578\u64da<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u4ee5\u5fae\u79d2\u7d1a\u7684\u5ef6\u9072\u8655\u7406\u6578\u64da\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis\u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u67b6\u69cb\uff1a<\/strong>\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\u548c\u5206\u7247\uff0c\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\u4ee5\u61c9\u5c0d\u4e0d\u65b7\u589e\u9577\u7684\u6578\u64da\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e6%b5%b7%e9%87%8f%e6%95%b8%e6%93%9a%e8%a8%aa%e5%95%8f%e7%9a%84%e7%ad%96%e7%95%a5-kxiJIYCtnP\">\u5be6\u73fe\u6d77\u91cf\u6578\u64da\u8a2a\u554f\u7684\u7b56\u7565<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u8655\u7406\u6d77\u91cf\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%88%86%e7%89%87-kxiJIYCtnP\">1. \u6578\u64da\u5206\u7247<\/h3>\n<p>\u7576\u6578\u64da\u91cf\u8d85\u904e\u55ae\u500bRedis\u5be6\u4f8b\u7684\u8655\u7406\u80fd\u529b\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u6578\u64da\u5206\u7247\u4f86\u64f4\u5c55\u7cfb\u7d71\u3002\u9019\u610f\u5473\u8457\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\uff0c\u6bcf\u500b\u5be6\u4f8b\u53ea\u8ca0\u8cac\u4e00\u90e8\u5206\u6578\u64da\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u6709\u4e09\u500bRedis\u5be6\u4f8b\n# \u6578\u64da\u5206\u7247\u793a\u4f8b\nshard1 = Redis(host='192.168.1.1', port=6379)\nshard2 = Redis(host='192.168.1.2', port=6379)\nshard3 = Redis(host='192.168.1.3', port=6379)\n\n# \u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u9078\u64c7\u5be6\u4f8b\ndef get_shard(key):\n    hash_value = hash(key) % 3\n    if hash_value == 0:\n        return shard1\n    elif hash_value == 1:\n        return shard2\n    else:\n        return shard3\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e9%9b%86%e7%be%a4-kxiJIYCtnP\">2. \u4f7f\u7528Redis\u96c6\u7fa4<\/h3>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u80fd\u5920\u81ea\u52d5\u5c07\u6578\u64da\u5206\u7247\u4e26\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u8ca0\u8f09\u5747\u8861\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u6027\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u8f15\u9b06\u64f4\u5c55\u7cfb\u7d71\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528Redis\u96c6\u7fa4\u7684\u793a\u4f8b\nfrom rediscluster import RedisCluster\n\nstartup_nodes = [{\"host\": \"192.168.1.1\", \"port\": \"7000\"},\n                 {\"host\": \"192.168.1.2\", \"port\": \"7000\"},\n                 {\"host\": \"192.168.1.3\", \"port\": \"7000\"}]\n\nrc = RedisCluster(startup_nodes=startup_nodes, decode_responses=True)\n\n# \u8a2a\u554f\u6578\u64da\nrc.set(\"key\", \"value\")\nvalue = rc.get(\"key\")\n<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98-kxiJIYCtnP\">3. \u6578\u64da\u7de9\u5b58<\/h3>\n<p>\u5229\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8a2a\u554f\u901f\u5ea6\u3002\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728Redis\u4e2d\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<pre><code>\n# \u7de9\u5b58\u6578\u64da\u793a\u4f8b\ndef get_data(key):\n    # \u5617\u8a66\u5f9eRedis\u4e2d\u7372\u53d6\u6578\u64da\n    value = rc.get(key)\n    if value is None:\n        # \u5982\u679cRedis\u4e2d\u6c92\u6709\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\n        value = fetch_from_database(key)\n        # \u5c07\u6578\u64da\u5b58\u5165Redis\n        rc.set(key, value)\n    return value\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-kxiJIYCtnP\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u70ba\u8655\u7406\u6d77\u91cf\u6578\u64da\u63d0\u4f9b\u4e86\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6578\u64da\u5206\u7247\u3001\u4f7f\u7528Redis\u96c6\u7fa4\u4ee5\u53ca\u6578\u64da\u7de9\u5b58\u7b49\u7b56\u7565\uff0c\u4f01\u696d\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6578\u64da\u8a2a\u554f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u4e0d\u65b7\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u5c07\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\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\u4f86\u652f\u6301\u60a8\u7684Redis\u90e8\u7f72\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u6d77\u91cf\u6578\u64da\u7684\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u9ad8\u6548\u8a2a\u554f\u6d77\u91cf\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u901f\u5ea6\u8207\u6027\u80fd\uff0c\u5be6\u73fe\u5feb\u901f\u97ff\u61c9\u548c\u512a\u5316\u7528\u6236\u9ad4\u9a57\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-197590","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197590","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=197590"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197590\/revisions"}],"predecessor-version":[{"id":197591,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197590\/revisions\/197591"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}