{"id":153301,"date":"2024-11-02T06:18:19","date_gmt":"2024-11-01T22:18:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153301\/"},"modified":"2024-11-02T06:18:20","modified_gmt":"2024-11-01T22:18:20","slug":"%e5%be%9e%e7%90%86%e8%ab%96%e5%88%b0%e5%af%a6%e8%b8%90-%e7%b7%a9%e5%ad%98%e8%90%bd%e5%9c%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153301\/","title":{"rendered":"\u5f9e\u7406\u8ad6\u5230\u5be6\u8e10\u2014\u2014\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u7684\u5be6\u73fe\u65b9\u5f0f\u5206\u6790 (\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e7%b7%a9%e5%ad%98%e5%b1%a4%e7%9a%84%e4%bd%9c%e7%94%a8-uKQHHiJYdq\">\u7de9\u5b58\u5c64\u7684\u4f5c\u7528<\/h2>\n<p>\u7de9\u5b58\u5c64\u901a\u5e38\u4f7f\u7528\u5167\u5b58\u6578\u64da\u5b58\u5132\u7cfb\u7d71\uff0c\u5982 Redis \u6216 Memcached\u3002\u9019\u4e9b\u7cfb\u7d71\u80fd\u5920\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\uff0c\u4e26\u4e14\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\u3002\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6703\u6aa2\u67e5\u7de9\u5b58\u5c64\uff0c\u5982\u679c\u6578\u64da\u5b58\u5728\u65bc\u7de9\u5b58\u4e2d\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\u4e26\u5c07\u5176\u5b58\u5165\u7de9\u5b58\u4e2d\uff0c\u4ee5\u4fbf\u672a\u4f86\u7684\u8acb\u6c42\u53ef\u4ee5\u66f4\u5feb\u5730\u7372\u53d6\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4%e7%9a%84%e8%a7%92%e8%89%b2-uKQHHiJYdq\">\u6578\u64da\u5eab\u5c64\u7684\u89d2\u8272<\/h2>\n<p>\u6578\u64da\u5eab\u5c64\u5247\u8ca0\u8cac\u6301\u4e45\u5316\u5b58\u5132\u6240\u6709\u6578\u64da\u3002\u9019\u4e00\u5c64\u901a\u5e38\u4f7f\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u6216\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\uff09\u3002\u5728\u7de9\u5b58\u5c64\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\u7684\u60c5\u6cc1\u4e0b\uff0c\u7cfb\u7d71\u6703\u5411\u6578\u64da\u5eab\u767c\u9001\u8acb\u6c42\uff0c\u4e26\u5728\u7372\u53d6\u6578\u64da\u5f8c\u66f4\u65b0\u7de9\u5b58\u3002<\/p>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e8%90%bd%e5%9c%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-uKQHHiJYdq\">\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<h3 id=\"1-%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-uKQHHiJYdq\">1. \u7de9\u5b58\u7b56\u7565<\/h3>\n<p>\u5728\u5be6\u73fe\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u5e38\u898b\u7684\u7de9\u5b58\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff08LRU\uff09<\/strong>\uff1a\u7576\u7de9\u5b58\u6eff\u6642\uff0c\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6700\u4e0d\u7d93\u5e38\u4f7f\u7528\uff08LFU\uff09<\/strong>\uff1a\u6839\u64da\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u4f86\u6c7a\u5b9a\u54ea\u4e9b\u6578\u64da\u61c9\u8a72\u88ab\u79fb\u9664\u3002<\/li>\n<li><strong>\u6642\u9593\u5230\u671f\uff08TTL\uff09<\/strong>\uff1a\u8a2d\u7f6e\u6578\u64da\u7684\u6709\u6548\u671f\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u79fb\u9664\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-uKQHHiJYdq\">2. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u7de9\u5b58\u548c\u6578\u64da\u5eab\u4e4b\u9593\u4fdd\u6301\u6578\u64da\u4e00\u81f4\u6027\u662f\u53e6\u4e00\u500b\u6311\u6230\u3002\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5beb\u5165\u7a7f\u900f<\/strong>\uff1a\u5728\u5beb\u5165\u6578\u64da\u6642\uff0c\u540c\u6642\u66f4\u65b0\u7de9\u5b58\u548c\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u5ef6\u9072\u4e00\u81f4\u6027<\/strong>\uff1a\u5141\u8a31\u7de9\u5b58\u548c\u6578\u64da\u5eab\u4e4b\u9593\u5b58\u5728\u77ed\u66ab\u7684\u4e0d\u4e00\u81f4\uff0c\u6700\u7d42\u9054\u6210\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-uKQHHiJYdq\">3. \u5be6\u73fe\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u5c64\uff1a<\/p>\n<pre><code>import redis\nimport mysql.connector\n\n# \u9023\u63a5\u5230 Redis\ncache = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u9023\u63a5\u5230 MySQL\ndb = mysql.connector.connect(\n    host=\"localhost\",\n    user=\"user\",\n    password=\"password\",\n    database=\"database\"\n)\n\ndef get_data(key):\n    # \u9996\u5148\u6aa2\u67e5\u7de9\u5b58\n    if cache.exists(key):\n        return cache.get(key)\n    \n    # \u5982\u679c\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5247\u67e5\u8a62\u6578\u64da\u5eab\n    cursor = db.cursor()\n    cursor.execute(\"SELECT value FROM my_table WHERE key = %s\", (key,))\n    result = cursor.fetchone()\n    \n    if result:\n        # \u5c07\u6578\u64da\u5b58\u5165\u7de9\u5b58\n        cache.set(key, result[0])\n        return result[0]\n    \n    return None\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-uKQHHiJYdq\">\u7d50\u8ad6<\/h2>\n<p>\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u7684\u901f\u5ea6\u548c\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\u548c\u6578\u64da\u4e00\u81f4\u6027\u7ba1\u7406\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u6eff\u8db3\u7528\u6236\u9700\u6c42\u7684\u540c\u6642\uff0c\u964d\u4f4e\u5c0d\u5e95\u5c64\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u7684\u5be6\u73fe\u65b9\u5f0f\u5c07\u6703\u66f4\u52a0\u591a\u6a23\u5316\uff0c\u70ba\u4f01\u696d\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7de9\u5b58\u843d\u5730\u6578\u64da\u5eab\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5f9e\u7406\u8ad6\u5230\u5be6\u8e10\uff0c\u5206\u6790\u5176\u67b6\u69cb\u3001\u512a\u52e2\u53ca\u61c9\u7528\u5834\u666f\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-153301","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153301","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=153301"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153301\/revisions"}],"predecessor-version":[{"id":153302,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153301\/revisions\/153302"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}