{"id":161989,"date":"2024-11-04T11:01:24","date_gmt":"2024-11-04T03:01:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161989\/"},"modified":"2024-11-04T11:01:25","modified_gmt":"2024-11-04T03:01:25","slug":"%e6%8a%80%e8%a1%93%e6%b4%be%e4%b8%ad%e7%9a%84%e7%b7%a9%e5%ad%98%e4%b8%80%e8%87%b4%e6%80%a7%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161989\/","title":{"rendered":"\u6280\u8853\u6d3e\u4e2d\u7684\u7de9\u5b58\u4e00\u81f4\u6027\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"<h1 id=\"%e6%8a%80%e8%a1%93%e6%b4%be%e4%b8%ad%e7%9a%84%e7%b7%a9%e5%ad%98%e4%b8%80%e8%87%b4%e6%80%a7%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-wcuKAxiQYm\">\u6280\u8853\u6d3e\u4e2d\u7684\u7de9\u5b58\u4e00\u81f4\u6027\u89e3\u6c7a\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7de9\u5b58\u4e00\u81f4\u6027\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u554f\u984c\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u64f4\u5c55\u548c\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u7de9\u5b58\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u6210\u70ba\u4e86\u6280\u8853\u6d3e\u4e2d\u7684\u4e00\u500b\u71b1\u9580\u8a71\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u7de9\u5b58\u4e00\u81f4\u6027\u89e3\u6c7a\u65b9\u6848\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u898b\u7b56\u7565\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e4%b8%80%e8%87%b4%e6%80%a7%e6%a6%82%e8%bf%b0-wcuKAxiQYm\">\u7de9\u5b58\u4e00\u81f4\u6027\u6982\u8ff0<\/h2>\n<p>\u7de9\u5b58\u4e00\u81f4\u6027\u662f\u6307\u5728\u591a\u500b\u7de9\u5b58\u4e4b\u9593\u4fdd\u6301\u6578\u64da\u4e00\u81f4\u6027\u7684\u80fd\u529b\u3002\u7576\u6578\u64da\u5728\u4e00\u500b\u7de9\u5b58\u4e2d\u88ab\u66f4\u65b0\u6642\uff0c\u5176\u4ed6\u7de9\u5b58\u5fc5\u9808\u80fd\u5920\u53ca\u6642\u7372\u53d6\u9019\u4e00\u8b8a\u66f4\uff0c\u4ee5\u907f\u514d\u51fa\u73fe\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002\u9019\u4e00\u554f\u984c\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5c24\u70ba\u7a81\u51fa\uff0c\u56e0\u70ba\u6578\u64da\u53ef\u80fd\u88ab\u591a\u500b\u7bc0\u9ede\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u3002<\/p>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e4%b8%80%e8%87%b4%e6%80%a7%e7%ad%96%e7%95%a5-wcuKAxiQYm\">\u7de9\u5b58\u4e00\u81f4\u6027\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u7de9\u5b58\u4e00\u81f4\u6027\u554f\u984c\uff0c\u6280\u8853\u754c\u63d0\u51fa\u4e86\u591a\u7a2e\u7b56\u7565\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u5beb\u76f4\u9054\uff08Write-through\uff09<\/strong>: \u5728\u9019\u7a2e\u7b56\u7565\u4e2d\uff0c\u6240\u6709\u5c0d\u7de9\u5b58\u7684\u5beb\u5165\u64cd\u4f5c\u90fd\u6703\u540c\u6642\u66f4\u65b0\u5f8c\u7aef\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7de9\u5b58\u548c\u6578\u64da\u5eab\u4e4b\u9593\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u70ba\u6bcf\u6b21\u5beb\u5165\u90fd\u9700\u8981\u7b49\u5f85\u6578\u64da\u5eab\u7684\u97ff\u61c9\u3002<\/li>\n<li><strong>\u5beb\u56de\uff08Write-back\uff09<\/strong>: \u5beb\u56de\u7b56\u7565\u5141\u8a31\u7de9\u5b58\u5148\u9032\u884c\u5beb\u5165\u64cd\u4f5c\uff0c\u7136\u5f8c\u5728\u7a0d\u5f8c\u7684\u6642\u9593\u5c07\u6578\u64da\u540c\u6b65\u5230\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u98a8\u96aa\uff0c\u7279\u5225\u662f\u5728\u7cfb\u7d71\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u5931\u6548\uff08Invalidate\uff09<\/strong>: \u7576\u6578\u64da\u5728\u5f8c\u7aef\u6578\u64da\u5eab\u4e2d\u88ab\u66f4\u65b0\u6642\uff0c\u76f8\u95dc\u7684\u7de9\u5b58\u689d\u76ee\u6703\u88ab\u6a19\u8a18\u70ba\u5931\u6548\u3002\u9019\u6a23\u5728\u4e0b\u4e00\u6b21\u8a2a\u554f\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u5f9e\u6578\u64da\u5eab\u4e2d\u91cd\u65b0\u52a0\u8f09\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\uff0c\u4f46\u53ef\u80fd\u6703\u589e\u52a0\u5ef6\u9072\u3002<\/li>\n<li><strong>\u7248\u672c\u63a7\u5236\uff08Versioning\uff09<\/strong>: \u901a\u904e\u70ba\u6bcf\u500b\u7de9\u5b58\u689d\u76ee\u5206\u914d\u4e00\u500b\u7248\u672c\u865f\uff0c\u7cfb\u7d71\u53ef\u4ee5\u6aa2\u67e5\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u662f\u5426\u662f\u6700\u65b0\u7684\u3002\u7576\u6578\u64da\u88ab\u66f4\u65b0\u6642\uff0c\u7248\u672c\u865f\u4e5f\u6703\u96a8\u4e4b\u6539\u8b8a\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e7%a4%ba%e4%be%8b-wcuKAxiQYm\">\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u8a31\u591a\u5927\u578b\u7cfb\u7d71\u90fd\u63a1\u7528\u4e86\u4e0a\u8ff0\u7de9\u5b58\u4e00\u81f4\u6027\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u901a\u5e38\u4f7f\u7528\u5beb\u76f4\u9054\u7b56\u7565\u4f86\u78ba\u4fdd\u7528\u6236\u8cc7\u6599\u7684\u5373\u6642\u66f4\u65b0\uff0c\u9019\u6a23\u7528\u6236\u5728\u4e0d\u540c\u8a2d\u5099\u4e0a\u67e5\u770b\u8cc7\u6599\u6642\u80fd\u5920\u7372\u5f97\u4e00\u81f4\u7684\u9ad4\u9a57\u3002\u800c\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u5beb\u56de\u7b56\u7565\u5247\u88ab\u5ee3\u6cdb\u61c9\u7528\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u7684\u8cfc\u7269\u9ad4\u9a57\u3002<\/p>\n<pre><code>\n# Python\u793a\u4f8b\uff1a\u4f7f\u7528Redis\u5be6\u73fe\u7c21\u55ae\u7684\u7de9\u5b58\u4e00\u81f4\u6027\nimport redis\n\n# \u9023\u63a5\u5230Redis\ncache = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u5beb\u5165\u6578\u64da\ndef write_data(key, value):\n    cache.set(key, value)\n    # \u540c\u6642\u66f4\u65b0\u6578\u64da\u5eab\uff08\u5047\u8a2d\u6709\u4e00\u500bupdate_database\u51fd\u6578\uff09\n    update_database(key, value)\n\n# \u8b80\u53d6\u6578\u64da\ndef read_data(key):\n    value = cache.get(key)\n    if value is None:\n        # \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\n        value = read_from_database(key)\n        cache.set(key, value)\n    return value\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-wcuKAxiQYm\">\u7d50\u8ad6<\/h2>\n<p>\u7de9\u5b58\u4e00\u81f4\u6027\u662f\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\uff0c\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u4e00\u81f4\u6027\u7b56\u7565\u5c0d\u65bc\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u89e3\u6c7a\u65b9\u6848\u88ab\u63d0\u51fa\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5728\u6027\u80fd\u548c\u4e00\u81f4\u6027\u4e4b\u9593\u627e\u5230\u5e73\u8861\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u5be6\u65bd\u9019\u4e9b\u7b56\u7565\u5c07\u662f\u6210\u529f\u7684\u95dc\u9375\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\u7d22\u6280\u8853\u6d3e\u4e2d\u7684\u7de9\u5b58\u4e00\u81f4\u6027\u89e3\u6c7a\u65b9\u6848\uff0c\u4e86\u89e3\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\u512a\u5316\u7684\u6700\u4f73\u5be6\u8e10\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-161989","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161989","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=161989"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161989\/revisions"}],"predecessor-version":[{"id":161990,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161989\/revisions\/161990"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}