{"id":98188,"date":"2024-10-21T00:31:17","date_gmt":"2024-10-20T16:31:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98188\/"},"modified":"2024-10-21T00:31:18","modified_gmt":"2024-10-20T16:31:18","slug":"redis-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e5%b0%81%e8%a3%9d%e5%af%a6%e7%8f%be%e6%9b%b4%e5%bf%ab%e9%80%9f%e7%9a%84%e5%bf%ab%e5%8f%96%e6%9f%a5%e8%a9%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98188\/","title":{"rendered":"Redis \u67e5\u8a62\u512a\u5316\u5c01\u88dd\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62"},"content":{"rendered":"<h1 id=\"redis-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e5%b0%81%e8%a3%9d%e5%af%a6%e7%8f%be%e6%9b%b4%e5%bf%ab%e9%80%9f%e7%9a%84%e5%bf%ab%e5%8f%96%e6%9f%a5%e8%a9%a2-nQzVrHqnMk\">Redis \u67e5\u8a62\u512a\u5316\u5c01\u88dd\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u7684\u5feb\u901f\u5b58\u53d6\u5c0d\u65bc\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u67e5\u8a62\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u67e5\u8a62\u512a\u5316\u5c01\u88dd\u4f86\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-nQzVrHqnMk\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\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\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-nQzVrHqnMk\">\u67e5\u8a62\u512a\u5316\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u9032\u884c\u5feb\u53d6\u67e5\u8a62\u6642\uff0c\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u512a\u5316\u67e5\u8a62\u4e0d\u50c5\u80fd\u6e1b\u5c11\u5ef6\u9072\uff0c\u9084\u80fd\u964d\u4f4e\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u67e5\u8a62\u512a\u5316\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684 Redis \u6578\u64da\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002<\/li>\n<li><strong>\u6279\u91cf\u64cd\u4f5c\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u7ba1\u9053\uff08Pipeline\uff09\u529f\u80fd\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u547d\u4ee4\u5408\u4f75\u6210\u4e00\u500b\u8acb\u6c42\uff0c\u5f9e\u800c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\uff0c\u907f\u514d\u7121\u7528\u6578\u64da\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e5%b0%81%e8%a3%9d%e7%9a%84%e5%af%a6%e7%8f%be-nQzVrHqnMk\">\u67e5\u8a62\u512a\u5316\u5c01\u88dd\u7684\u5be6\u73fe<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62\uff0c\u53ef\u4ee5\u5c07\u67e5\u8a62\u908f\u8f2f\u5c01\u88dd\u6210\u4e00\u500b\u51fd\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\nclass RedisCache:\n    def __init__(self, host='localhost', port=6379, db=0):\n        self.client = redis.StrictRedis(host=host, port=port, db=db)\n\n    def get_data(self, key):\n        # \u5617\u8a66\u5f9e\u5feb\u53d6\u4e2d\u7372\u53d6\u6578\u64da\n        data = self.client.get(key)\n        if data is None:\n            # \u5982\u679c\u5feb\u53d6\u4e2d\u6c92\u6709\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\n            data = self.query_database(key)\n            # \u5c07\u6578\u64da\u5b58\u5165\u5feb\u53d6\n            self.client.set(key, data)\n        return data\n\n    def query_database(self, key):\n        # \u6a21\u64ec\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u6578\u64da\n        return f\"Data for {key}\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>RedisCache<\/code> \u7684\u985e\uff0c\u4e26\u5c01\u88dd\u4e86 <code>get_data<\/code> \u65b9\u6cd5\u4f86\u8655\u7406\u5feb\u53d6\u67e5\u8a62\u3002\u7576\u67e5\u8a62\u7684\u6578\u64da\u4e0d\u5728\u5feb\u53d6\u4e2d\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6578\u64da\u4e26\u5c07\u5176\u5b58\u5165\u5feb\u53d6\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e6%b8%ac%e8%a9%a6-nQzVrHqnMk\">\u6027\u80fd\u6e2c\u8a66<\/h2>\n<p>\u70ba\u4e86\u9a57\u8b49\u67e5\u8a62\u512a\u5316\u7684\u6548\u679c\uff0c\u53ef\u4ee5\u9032\u884c\u6027\u80fd\u6e2c\u8a66\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6e2c\u8a66\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import time\n\ncache = RedisCache()\n\nstart_time = time.time()\nfor i in range(1000):\n    print(cache.get_data(f\"key_{i}\"))\nend_time = time.time()\n\nprint(f\"Total time: {end_time - start_time} seconds\")\n<\/code><\/pre>\n<p>\u901a\u904e\u6e2c\u8a66\uff0c\u6211\u5011\u53ef\u4ee5\u89c0\u5bdf\u5230\u4f7f\u7528\u5feb\u53d6\u5f8c\u7684\u67e5\u8a62\u6642\u9593\u986f\u8457\u964d\u4f4e\uff0c\u9019\u8b49\u660e\u4e86\u67e5\u8a62\u512a\u5316\u5c01\u88dd\u7684\u6709\u6548\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-nQzVrHqnMk\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5c0d Redis \u67e5\u8a62\u7684\u512a\u5316\u5c01\u88dd\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u3001\u4f7f\u7528\u6279\u91cf\u64cd\u4f5c\u4ee5\u53ca\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u90fd\u662f\u6709\u6548\u7684\u512a\u5316\u7b56\u7565\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u6301\u7e8c\u512a\u5316\u67e5\u8a62\u5c07\u6210\u70ba\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u67e5\u8a62\u512a\u5316\u5c01\u88dd\uff0c\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u5feb\u53d6\u67e5\u8a62\uff0c\u63d0\u5347\u61c9\u7528\u6548\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\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-98188","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98188","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=98188"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98188\/revisions"}],"predecessor-version":[{"id":98189,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98188\/revisions\/98189"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}