{"id":98638,"date":"2024-10-21T04:17:18","date_gmt":"2024-10-20T20:17:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98638\/"},"modified":"2024-10-21T04:17:18","modified_gmt":"2024-10-20T20:17:18","slug":"redis-%e7%9a%84%e6%93%8a%e7%a9%bf%e6%8c%91%e6%88%b0%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98638\/","title":{"rendered":"Redis \u7684\u64ca\u7a7f\u6311\u6230\u53ca\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84%e6%93%8a%e7%a9%bf%e6%8c%91%e6%88%b0%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-semXNXOhab\">Redis \u7684\u64ca\u7a7f\u6311\u6230\u53ca\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u9ad8\u6548\u80fd\u8a08\u7b97\u74b0\u5883\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\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u91cf\u7684\u589e\u52a0\uff0cRedis \u4e5f\u9762\u81e8\u8457\u4e00\u4e9b\u6311\u6230\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u300c\u64ca\u7a7f\u300d\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u64ca\u7a7f\u6311\u6230\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%93%8a%e7%a9%bf%e5%95%8f%e9%a1%8c%ef%bc%9f-semXNXOhab\">\u4ec0\u9ebc\u662f\u64ca\u7a7f\u554f\u984c\uff1f<\/h2>\n<p>\u64ca\u7a7f\u554f\u984c\u901a\u5e38\u767c\u751f\u5728\u67d0\u500b\u7279\u5b9a\u7684\u9375\u4e0d\u5b58\u5728\u6642\uff0c\u7576\u5927\u91cf\u8acb\u6c42\u540c\u6642\u5230\u9054\u6642\uff0c\u9019\u4e9b\u8acb\u6c42\u6703\u76f4\u63a5\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\uff0c\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u6025\u5287\u4e0a\u5347\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cRedis \u7684\u7de9\u5b58\u6548\u7528\u88ab\u524a\u5f31\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5d29\u6f70\u3002<\/p>\n<h2 id=\"%e6%93%8a%e7%a9%bf%e5%95%8f%e9%a1%8c%e7%9a%84%e6%88%90%e5%9b%a0-semXNXOhab\">\u64ca\u7a7f\u554f\u984c\u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u9ad8\u4f75\u767c\u8acb\u6c42\uff1a<\/strong>\u7576\u5927\u91cf\u7528\u6236\u540c\u6642\u8acb\u6c42\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u9375\u6642\uff0c\u9019\u4e9b\u8acb\u6c42\u6703\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u9375\u5728 Redis \u4e2d\u88ab\u522a\u9664\u6216\u904e\u671f\uff0c\u537b\u4ecd\u7136\u6709\u5927\u91cf\u8acb\u6c42\u8a66\u5716\u8a2a\u554f\u8a72\u9375\uff0c\u5c07\u5c0e\u81f4\u64ca\u7a7f\u3002<\/li>\n<li><strong>\u4e0d\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u7de9\u5b58\u7b56\u7565\u8a2d\u8a08\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5927\u91cf\u8acb\u6c42\u96c6\u4e2d\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u9375\u4e0a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%93%8a%e7%a9%bf%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-semXNXOhab\">\u64ca\u7a7f\u554f\u984c\u7684\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e4%ba%92%e6%96%a5%e9%8e%96-semXNXOhab\">1. \u4f7f\u7528\u4e92\u65a5\u9396<\/h3>\n<p>\u5728\u8655\u7406\u8acb\u6c42\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u9396\u4f86\u78ba\u4fdd\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u8acb\u6c42\u80fd\u5920\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u500b\u8acb\u6c42\u540c\u6642\u67e5\u8a62\uff0c\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif not redis.exists(key):\n    lock = acquire_lock(key)\n    if lock:\n        value = query_database(key)\n        redis.set(key, value)\n        release_lock(lock)\n<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e9%a0%90%e7%86%b1%e6%a9%9f%e5%88%b6-semXNXOhab\">2. \u8a2d\u7f6e\u9810\u71b1\u6a5f\u5236<\/h3>\n<p>\u5728\u7cfb\u7d71\u555f\u52d5\u6216\u6d41\u91cf\u9ad8\u5cf0\u671f\uff0c\u53ef\u4ee5\u63d0\u524d\u5c07\u4e00\u4e9b\u71b1\u9580\u6578\u64da\u52a0\u8f09\u5230 Redis \u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%b8%83%e9%9a%86%e9%81%8e%e6%bf%be%e5%99%a8-semXNXOhab\">3. \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\u6aa2\u67e5\u67d0\u500b\u9375\u662f\u5426\u5b58\u5728\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u8acb\u6c42\u5230\u9054 Redis \u4e4b\u524d\uff0c\u5148\u9032\u884c\u4e00\u6b21\u6aa2\u67e5\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5eab\u67e5\u8a62\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif bloom_filter.might_contain(key):\n    value = redis.get(key)\nelse:\n    # \u4e0d\u5b58\u5728\uff0c\u76f4\u63a5\u8fd4\u56de\n<\/code><\/pre>\n<h3 id=\"4-%e9%99%90%e6%b5%81%e7%ad%96%e7%95%a5-semXNXOhab\">4. \u9650\u6d41\u7b56\u7565<\/h3>\n<p>\u5c0d\u65bc\u9ad8\u983b\u8acb\u6c42\u7684\u9375\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u9650\u6d41\u7b56\u7565\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u983b\u7387\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-semXNXOhab\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u64ca\u7a7f\u554f\u984c\u662f\u4e00\u500b\u9700\u8981\u91cd\u8996\u7684\u6311\u6230\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002\u901a\u904e\u4f7f\u7528\u4e92\u65a5\u9396\u3001\u9810\u71b1\u6a5f\u5236\u3001\u5e03\u9686\u904e\u6ffe\u5668\u548c\u9650\u6d41\u7b56\u7565\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u64ca\u7a7f\u554f\u984c\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6301\u7e8c\u512a\u5316\u7de9\u5b58\u7b56\u7565\u5c07\u662f\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u61c9\u7528\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u7684\u64ca\u7a7f\u6311\u6230\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u8207\u7ba1\u7406\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-98638","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98638","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=98638"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98638\/revisions"}],"predecessor-version":[{"id":98639,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98638\/revisions\/98639"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}