{"id":174105,"date":"2024-11-07T20:36:26","date_gmt":"2024-11-07T12:36:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174105\/"},"modified":"2024-11-07T20:36:27","modified_gmt":"2024-11-07T12:36:27","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%baredis%e6%95%b8%e6%93%9a%e7%a9%bf%e9%80%8f%e5%95%8f%e9%a1%8c%ef%bc%88%e5%a6%82%e6%9e%9credis%e7%a9%bf%e9%80%8f%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174105\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7aRedis\u6578\u64da\u7a7f\u900f\u554f\u984c\uff08\u5982\u679credis\u7a7f\u900f\u600e\u9ebc\u8fa6\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%baredis%e6%95%b8%e6%93%9a%e7%a9%bf%e9%80%8f%e5%95%8f%e9%a1%8c%ef%bc%88%e5%a6%82%e6%9e%9credis%e7%a9%bf%e9%80%8f%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89-FrzsYjGutc\">\u5982\u4f55\u89e3\u6c7aRedis\u6578\u64da\u7a7f\u900f\u554f\u984c\uff08\u5982\u679credis\u7a7f\u900f\u600e\u9ebc\u8fa6\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7de9\u5b58\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u7684\u589e\u9577\uff0cRedis\u6578\u64da\u7a7f\u900f\u554f\u984c\u4e5f\u9010\u6f38\u5f15\u8d77\u4e86\u958b\u767c\u8005\u7684\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u6578\u64da\u7a7f\u900f\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e6%95%b8%e6%93%9a%e7%a9%bf%e9%80%8f%ef%bc%9f-FrzsYjGutc\">\u4ec0\u9ebc\u662fRedis\u6578\u64da\u7a7f\u900f\uff1f<\/h2>\n<p>\u6578\u64da\u7a7f\u900f\u662f\u6307\u8acb\u6c42\u7684\u6578\u64da\u5728\u7de9\u5b58\u4e2d\u627e\u4e0d\u5230\uff0c\u4e26\u4e14\u9019\u4e9b\u8acb\u6c42\u6703\u76f4\u63a5\u5230\u9054\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u5c0e\u81f4\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u589e\u52a0\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u8acb\u6c42\u7684\u6578\u64da\u5728\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u4e26\u4e14\u5f8c\u7aef\u6578\u64da\u5eab\u4e2d\u4e5f\u6c92\u6709\u8a72\u6578\u64da\u3002<\/li>\n<li>\u60e1\u610f\u653b\u64ca\u8005\u767c\u9001\u5927\u91cf\u8acb\u6c42\uff0c\u8acb\u6c42\u7684\u6578\u64da\u5728\u7de9\u5b58\u548c\u6578\u64da\u5eab\u4e2d\u5747\u4e0d\u5b58\u5728\u3002<\/li>\n<\/ul>\n<p>\u9019\u6a23\u7684\u60c5\u6cc1\u4e0d\u50c5\u6703\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u5d29\u6f70\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u500b\u61c9\u7528\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"redis%e6%95%b8%e6%93%9a%e7%a9%bf%e9%80%8f%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-FrzsYjGutc\">Redis\u6578\u64da\u7a7f\u900f\u7684\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%b8%83%e9%9a%86%e9%81%8e%e6%bf%be%e5%99%a8-FrzsYjGutc\">1. \u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668<\/h3>\n<p>\u5e03\u9686\u904e\u6ffe\u5668\u662f\u4e00\u7a2e\u7a7a\u9593\u6548\u7387\u9ad8\u7684\u6982\u7387\u578b\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5224\u65b7\u4e00\u500b\u5143\u7d20\u662f\u5426\u5728\u4e00\u500b\u96c6\u5408\u4e2d\u3002\u901a\u904e\u5728Redis\u524d\u7aef\u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u904e\u6ffe\u6389\u4e0d\u5b58\u5728\u7684\u8acb\u6c42\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Python\u7684redis-py\u5eab\nfrom redis import Redis\nfrom pybloom_live import BloomFilter\n\n# \u521d\u59cb\u5316Redis\u548c\u5e03\u9686\u904e\u6ffe\u5668\nredis_client = Redis(host='localhost', port=6379)\nbloom = BloomFilter(capacity=100000, error_rate=0.001)\n\n# \u6dfb\u52a0\u6578\u64da\u5230\u5e03\u9686\u904e\u6ffe\u5668\nbloom.add('some_key')\n\n# \u6aa2\u67e5\u6578\u64da\u662f\u5426\u5b58\u5728\nif key in bloom:\n    # \u67e5\u8a62Redis\n    value = redis_client.get(key)\nelse:\n    # \u8fd4\u56de\u4e0d\u5b58\u5728\u7684\u7d50\u679c\n    value = None\n<\/code><\/pre>\n<h3 id=\"2-%e7%b7%a9%e5%ad%98%e7%a9%ba%e7%b5%90%e6%9e%9c-FrzsYjGutc\">2. \u7de9\u5b58\u7a7a\u7d50\u679c<\/h3>\n<p>\u5c0d\u65bc\u67e5\u8a62\u7d50\u679c\u70ba\u7a7a\u7684\u8acb\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u9019\u4e9b\u7a7a\u7d50\u679c\u7de9\u5b58\u4e00\u6bb5\u6642\u9593\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u5f8c\u7e8c\u6709\u76f8\u540c\u7684\u8acb\u6c42\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u8fd4\u56de\u7a7a\u7d50\u679c\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Python\u7684redis-py\u5eab\ndef get_data(key):\n    # \u5617\u8a66\u5f9eRedis\u4e2d\u7372\u53d6\u6578\u64da\n    value = redis_client.get(key)\n    if value is None:\n        # \u5982\u679c\u6578\u64da\u4e0d\u5b58\u5728\uff0c\u7de9\u5b58\u7a7a\u7d50\u679c\n        redis_client.set(key, '', ex=60)  # \u7de9\u5b5860\u79d2\n    return value\n<\/code><\/pre>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e5%92%8c%e9%98%b2%e5%88%b7-FrzsYjGutc\">3. \u9650\u6d41\u548c\u9632\u5237<\/h3>\n<p>\u5c0d\u65bc\u4f86\u81ea\u540c\u4e00IP\u7684\u983b\u7e41\u8acb\u6c42\uff0c\u53ef\u4ee5\u5be6\u65bd\u9650\u6d41\u7b56\u7565\uff0c\u9632\u6b62\u60e1\u610f\u653b\u64ca\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u8a08\u6578\u5668\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9650\u6d41\u6a5f\u5236\u3002<\/p>\n<pre><code>\n# \u9650\u6d41\u793a\u4f8b\ndef rate_limit(ip):\n    key = f\"rate_limit:{ip}\"\n    current_count = redis_client.incr(key)\n    if current_count == 1:\n        redis_client.expire(key, 60)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba60\u79d2\n    if current_count &gt; 100:  # \u9650\u5236\u6bcf\u5206\u9418\u6700\u591a100\u6b21\u8acb\u6c42\n        return False\n    return True\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FrzsYjGutc\">\u7e3d\u7d50<\/h2>\n<p>Redis\u6578\u64da\u7a7f\u900f\u554f\u984c\u5c0d\u65bc\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u6709\u8457\u91cd\u8981\u5f71\u97ff\u3002\u901a\u904e\u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668\u3001\u7de9\u5b58\u7a7a\u7d50\u679c\u4ee5\u53ca\u5be6\u65bd\u9650\u6d41\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6578\u64da\u7a7f\u900f\u7684\u5f71\u97ff\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u4fdd\u8b77\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684Redis\u90e8\u7f72\uff0c\u78ba\u4fdd\u60a8\u7684\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4f9d\u7136\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6709\u6548\u89e3\u6c7aRedis\u6578\u64da\u7a7f\u900f\u554f\u984c\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-174105","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174105","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=174105"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174105\/revisions"}],"predecessor-version":[{"id":174106,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174105\/revisions\/174106"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}