{"id":171299,"date":"2024-11-07T01:35:19","date_gmt":"2024-11-06T17:35:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171299\/"},"modified":"2024-11-07T01:35:20","modified_gmt":"2024-11-06T17:35:20","slug":"%e5%89%8d%e7%a7%bbredis%e6%a1%b6%e5%8f%b0%e9%9a%8e%e5%bc%8f%e6%a5%b5%e8%87%b4%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%ef%bc%88redis%e6%a1%b6%e6%80%8e%e9%ba%bc%e5%89%8d%e7%a7%bb%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171299\/","title":{"rendered":"\u524d\u79fbRedis\u6876\u53f0\u968e\u5f0f\u6975\u81f4\u6027\u80fd\u512a\u5316\uff08Redis\u6876\u600e\u9ebc\u524d\u79fb\uff09"},"content":{"rendered":"<h1 id=\"%e5%89%8d%e7%a7%bbredis%e6%a1%b6%e5%8f%b0%e9%9a%8e%e5%bc%8f%e6%a5%b5%e8%87%b4%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%ef%bc%88redis%e6%a1%b6%e6%80%8e%e9%ba%bc%e5%89%8d%e7%a7%bb%ef%bc%89-zBwgyhDpqM\">\u524d\u79fbRedis\u6876\u53f0\u968e\u5f0f\u6975\u81f4\u6027\u80fd\u512a\u5316\uff08Redis\u6876\u600e\u9ebc\u524d\u79fb\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u9032\u4e00\u6b65\u512a\u5316Redis\u7684\u6027\u80fd\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u5011\u95dc\u6ce8\u7684\u7126\u9ede\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u6876\u7684\u524d\u79fb\u6280\u8853\uff0c\u4e26\u4ecb\u7d39\u5176\u5728\u6027\u80fd\u512a\u5316\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis%e6%a1%b6%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zBwgyhDpqM\">Redis\u6876\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6876\uff08bucket\uff09\u662f\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\u7684\u57fa\u672c\u55ae\u4f4d\u3002\u7576\u4e00\u500b\u9375\u88ab\u54c8\u5e0c\u5230\u67d0\u500b\u6876\u4e2d\u6642\uff0c\u8a72\u9375\u7684\u503c\u5c31\u6703\u88ab\u5b58\u5132\u5728\u9019\u500b\u6876\u88e1\u3002Redis\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u7ba1\u7406\u9019\u4e9b\u6876\uff0c\u9019\u4f7f\u5f97\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u90fd\u80fd\u5920\u5728\u5e38\u6578\u6642\u9593\u5167\u5b8c\u6210\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u6876\u7684\u6578\u91cf\u548c\u5927\u5c0f\u4e5f\u6703\u5f71\u97ff\u5230\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%89%8d%e7%a7%bb%e6%a1%b6%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-zBwgyhDpqM\">\u524d\u79fb\u6876\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u96a8\u8457Redis\u4e2d\u6578\u64da\u7684\u589e\u9577\uff0c\u6876\u7684\u8ca0\u8f09\u53ef\u80fd\u6703\u4e0d\u5747\u8861\uff0c\u5c0e\u81f4\u67d0\u4e9b\u6876\u7684\u67e5\u627e\u901f\u5ea6\u8b8a\u6162\u3002\u9019\u6642\uff0c\u524d\u79fb\u6876\u7684\u6280\u8853\u5c31\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u524d\u79fb\u6876\u7684\u904e\u7a0b\u662f\u5c07\u67d0\u4e9b\u9ad8\u8ca0\u8f09\u7684\u6876\u4e2d\u7684\u6578\u64da\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u6876\u4e2d\uff0c\u4ee5\u9054\u5230\u8ca0\u8f09\u5747\u8861\u7684\u76ee\u7684\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u627e\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e5%89%8d%e7%a7%bb%e6%a1%b6%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-zBwgyhDpqM\">\u524d\u79fb\u6876\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u524d\u79fb\u6876\u7684\u5be6\u73fe\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5b8c\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u8b58\u5225\u9ad8\u8ca0\u8f09\u6876\uff1a<\/strong>\u9996\u5148\uff0c\u9700\u8981\u901a\u904e\u76e3\u63a7\u5de5\u5177\u4f86\u8b58\u5225\u54ea\u4e9b\u6876\u7684\u8ca0\u8f09\u904e\u9ad8\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a08\u7b97\u6bcf\u500b\u6876\u4e2d\u7684\u9375\u6578\u91cf\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u8a08\u7b97\u65b0\u6876\u4f4d\u7f6e\uff1a<\/strong>\u6839\u64da\u54c8\u5e0c\u7b97\u6cd5\uff0c\u8a08\u7b97\u51fa\u65b0\u7684\u6876\u4f4d\u7f6e\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5c0d\u54c8\u5e0c\u51fd\u6578\u7684\u8abf\u6574\uff0c\u4ee5\u4fbf\u5c07\u6578\u64da\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u6876\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u9077\u79fb\uff1a<\/strong>\u5c07\u9ad8\u8ca0\u8f09\u6876\u4e2d\u7684\u6578\u64da\u9077\u79fb\u5230\u65b0\u7684\u6876\u4e2d\u3002\u9019\u4e00\u6b65\u9700\u8981\u78ba\u4fdd\u5728\u9077\u79fb\u904e\u7a0b\u4e2d\u4e0d\u6703\u4e1f\u5931\u6578\u64da\u3002<\/li>\n<li><strong>\u66f4\u65b0\u54c8\u5e0c\u8868\uff1a<\/strong>\u6700\u5f8c\uff0c\u66f4\u65b0Redis\u7684\u54c8\u5e0c\u8868\uff0c\u4ee5\u53cd\u6620\u6876\u7684\u8b8a\u5316\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-zBwgyhDpqM\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7c21\u55ae\u7684\u54c8\u5e0c\u8868\nhash_table = {\n    \"bucket1\": [\"key1\", \"key2\"],\n    \"bucket2\": [\"key3\", \"key4\", \"key5\"],\n    \"bucket3\": [\"key6\"]\n}\n\n# \u8b58\u5225\u9ad8\u8ca0\u8f09\u6876\nhigh_load_bucket = max(hash_table, key=lambda k: len(hash_table[k]))\n\n# \u8a08\u7b97\u65b0\u6876\u4f4d\u7f6e\nnew_bucket = \"bucket4\"\n\n# \u6578\u64da\u9077\u79fb\nhash_table[new_bucket] = hash_table[high_load_bucket][:2]  # \u9077\u79fb\u524d\u5169\u500b\u9375\nhash_table[high_load_bucket] = hash_table[high_load_bucket][2:]  # \u66f4\u65b0\u9ad8\u8ca0\u8f09\u6876\n\nprint(hash_table)\n<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e6%95%88%e6%9e%9c-zBwgyhDpqM\">\u6027\u80fd\u512a\u5316\u7684\u6548\u679c<\/h2>\n<p>\u901a\u904e\u524d\u79fb\u6876\u7684\u6280\u8853\uff0cRedis\u7684\u6027\u80fd\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u67e5\u627e\u6642\u9593\uff0c\u9084\u80fd\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u3002\u6b64\u5916\uff0c\u524d\u79fb\u6876\u9084\u80fd\u6709\u6548\u964d\u4f4e\u5167\u5b58\u7684\u4f7f\u7528\u7387\uff0c\u5f9e\u800c\u6e1b\u5c11\u904b\u884c\u6210\u672c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-zBwgyhDpqM\">\u7d50\u8ad6<\/h2>\n<p>\u524d\u79fbRedis\u6876\u7684\u6280\u8853\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6027\u80fd\u512a\u5316\u624b\u6bb5\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u89e3\u6c7a\u9ad8\u8ca0\u8f09\u554f\u984c\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u9077\u79fb\u548c\u8ca0\u8f09\u5747\u8861\uff0cRedis\u53ef\u4ee5\u5728\u9762\u5c0d\u5927\u91cf\u6578\u64da\u6642\u4f9d\u7136\u4fdd\u6301\u9ad8\u6548\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u4e86\u89e3\u4e26\u61c9\u7528\u9019\u4e9b\u6280\u8853\u5c07\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u60a8\u7684\u61c9\u7528\u6027\u80fd\uff0c\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u524d\u79fbRedis\u6876\u7684\u6280\u8853\uff0c\u5be6\u73fe\u968e\u68af\u5f0f\u6027\u80fd\u512a\u5316\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u512a\u5316Redis\u4f7f\u7528\u9ad4\u9a57\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-171299","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171299","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=171299"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171299\/revisions"}],"predecessor-version":[{"id":171300,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171299\/revisions\/171300"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}