{"id":156335,"date":"2024-11-02T20:25:21","date_gmt":"2024-11-02T12:25:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/156335\/"},"modified":"2024-11-02T20:25:22","modified_gmt":"2024-11-02T12:25:22","slug":"%e5%88%86%e6%93%94%e5%88%a9%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1%ef%bc%88redis-%e7%9a%84%e8%b2%a0%e8%8d%b7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/156335\/","title":{"rendered":"\u5206\u64d4\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff08Redis \u7684\u8ca0\u8377\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%86%e6%93%94%e5%88%a9%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1%ef%bc%88redis-%e7%9a%84%e8%b2%a0%e8%8d%b7%ef%bc%89-NxaOxJSQKV\">\u5206\u64d4\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff08Redis \u7684\u8ca0\u8377\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u55ae\u4e00\u4f3a\u670d\u5668\u5f80\u5f80\u7121\u6cd5\u627f\u64d4\u6240\u6709\u8acb\u6c42\uff0c\u9019\u6642\u5019\u8ca0\u8f09\u5747\u8861\u6280\u8853\u4fbf\u6210\u70ba\u4e86\u5fc5\u9700\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u6578\u64da\u5b58\u5132\uff0c\u9084\u53ef\u4ee5\u5728\u8ca0\u8f09\u5747\u8861\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u4e26\u5206\u6790\u5176\u5728\u8ca0\u8377\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1%ef%bc%9f-NxaOxJSQKV\">\u4ec0\u9ebc\u662f\u8ca0\u8f09\u5747\u8861\uff1f<\/h2>\n<p>\u8ca0\u8f09\u5747\u8861\u662f\u6307\u5c07\u9032\u5165\u7684\u7db2\u7d61\u6d41\u91cf\u5206\u914d\u5230\u591a\u500b\u4f3a\u670d\u5668\u4e0a\uff0c\u4ee5\u78ba\u4fdd\u6c92\u6709\u55ae\u4e00\u4f3a\u670d\u5668\u904e\u8f09\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u61c9\u7528\u7a0b\u5e8f\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u63d0\u5347\u6027\u80fd\u3002\u8ca0\u8f09\u5747\u8861\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff0c\u5305\u62ec\u786c\u9ad4\u8ca0\u8f09\u5747\u8861\u5668\u3001\u8edf\u9ad4\u8ca0\u8f09\u5747\u8861\u5668\u4ee5\u53ca\u57fa\u65bc DNS \u7684\u8ca0\u8f09\u5747\u8861\u7b49\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NxaOxJSQKV\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u80fd\u529b\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u4f7f\u5f97 Redis \u6210\u70ba\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e5%88%a9%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1%e7%9a%84%e5%8e%9f%e7%90%86-NxaOxJSQKV\">\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u7684\u539f\u7406<\/h2>\n<p>\u5728\u8ca0\u8f09\u5747\u8861\u7684\u5be6\u73fe\u4e2d\uff0cRedis \u53ef\u4ee5\u4f5c\u70ba\u4e00\u500b\u4e2d\u5fc3\u5316\u7684\u72c0\u614b\u5b58\u5132\u7cfb\u7d71\uff0c\u8a18\u9304\u5404\u500b\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u4f3a\u670d\u5668\u8a3b\u518a\uff1a<\/strong>\u7576\u4f3a\u670d\u5668\u555f\u52d5\u6642\uff0c\u5b83\u6703\u5411 Redis \u8a3b\u518a\u81ea\u5df1\u7684\u72c0\u614b\uff0c\u5305\u62ec\u7576\u524d\u7684\u8ca0\u8f09\u3001\u53ef\u7528\u6027\u7b49\u4fe1\u606f\u3002<\/li>\n<li><strong>\u8acb\u6c42\u5206\u914d\uff1a<\/strong>\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u8ca0\u8f09\u5747\u8861\u5668\u6703\u67e5\u8a62 Redis\uff0c\u7372\u53d6\u7576\u524d\u5404\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u7136\u5f8c\u6839\u64da\u4e00\u5b9a\u7684\u7b97\u6cd5\uff08\u5982\u8f2a\u8a62\u3001\u6700\u5c11\u9023\u63a5\u7b49\uff09\u5c07\u8acb\u6c42\u5206\u914d\u7d66\u8ca0\u8f09\u6700\u8f15\u7684\u4f3a\u670d\u5668\u3002<\/li>\n<li><strong>\u72c0\u614b\u66f4\u65b0\uff1a<\/strong>\u4f3a\u670d\u5668\u5728\u8655\u7406\u8acb\u6c42\u5f8c\uff0c\u6703\u5b9a\u671f\u66f4\u65b0\u5176\u5728 Redis \u4e2d\u7684\u72c0\u614b\uff0c\u4ee5\u4fbf\u8ca0\u8f09\u5747\u8861\u5668\u80fd\u5920\u7372\u53d6\u6700\u65b0\u7684\u8ca0\u8f09\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1%e7%9a%84%e5%84%aa%e5%8b%a2-NxaOxJSQKV\">Redis \u8ca0\u8f09\u5747\u8861\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u9ad8\u6548\u8b80\u5beb\u80fd\u529b\u4f7f\u5f97\u8ca0\u8f09\u5747\u8861\u5668\u80fd\u5920\u5feb\u901f\u7372\u53d6\u4f3a\u670d\u5668\u72c0\u614b\uff0c\u5f9e\u800c\u5be6\u73fe\u5373\u6642\u7684\u8acb\u6c42\u5206\u914d\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u4f3a\u670d\u5668\u5230\u8ca0\u8f09\u5747\u8861\u7cfb\u7d71\u4e2d\uff0c\u800c\u4e0d\u9700\u8981\u5c0d\u6574\u9ad4\u67b6\u69cb\u9032\u884c\u91cd\u5927\u6539\u52d5\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u96c6\u6210\u5230\u73fe\u6709\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-NxaOxJSQKV\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u57fa\u672c\u7684\u8ca0\u8f09\u5747\u8861\uff1a<\/p>\n<pre><code>\nimport redis\nimport random\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u4f3a\u670d\u5668\u5217\u8868\nservers = ['server1', 'server2', 'server3']\n\n# \u8a3b\u518a\u4f3a\u670d\u5668\nfor server in servers:\n    r.hset(server, 'load', 0)\n\n# \u6a21\u64ec\u8acb\u6c42\u5206\u914d\ndef distribute_request():\n    # \u7372\u53d6\u6240\u6709\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\n    loads = {server: int(r.hget(server, 'load')) for server in servers}\n    # \u627e\u5230\u8ca0\u8f09\u6700\u8f15\u7684\u4f3a\u670d\u5668\n    target_server = min(loads, key=loads.get)\n    # \u589e\u52a0\u8a72\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\n    r.hincrby(target_server, 'load', 1)\n    return target_server\n\n# \u6a21\u64ec\u8acb\u6c42\nfor _ in range(10):\n    print(f\"Request sent to: {distribute_request()}\")\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-NxaOxJSQKV\">\u7d50\u8ad6<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u5730\u652f\u6301\u8ca0\u8f09\u5747\u8861\u7684\u5be6\u73fe\u3002\u901a\u904e\u4e2d\u5fc3\u5316\u7684\u72c0\u614b\u7ba1\u7406\uff0cRedis \u4e0d\u50c5\u63d0\u9ad8\u4e86\u8acb\u6c42\u7684\u5206\u914d\u6548\u7387\uff0c\u9084\u80fd\u5920\u96a8\u6642\u8abf\u6574\u4f3a\u670d\u5668\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u65b9\u6848\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\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\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u512a\u5316\u8cc7\u6e90\u5206\u914d\uff0c\u6e1b\u5c11\u4f3a\u670d\u5668\u8ca0\u8377\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-156335","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156335","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=156335"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156335\/revisions"}],"predecessor-version":[{"id":156336,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156335\/revisions\/156336"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=156335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=156335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=156335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}