{"id":156966,"date":"2024-11-02T21:10:24","date_gmt":"2024-11-02T13:10:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/156966\/"},"modified":"2024-11-02T21:10:24","modified_gmt":"2024-11-02T13:10:24","slug":"%e5%88%86%e6%9e%90%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e5%a4%9a%e7%b7%9a%e7%a8%8b-redis-%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90%ef%bc%88%e5%a4%9a%e7%b7%9a%e7%a8%8b-redis-%e6%ba%90%e7%a2%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/156966\/","title":{"rendered":"\u5206\u6790\u6df1\u5165\u6dfa\u51fa\u591a\u7dda\u7a0b Redis \u6e90\u78bc\u5206\u6790\uff08\u591a\u7dda\u7a0b Redis \u6e90\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%86%e6%9e%90%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e5%a4%9a%e7%b7%9a%e7%a8%8b-redis-%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90%ef%bc%88%e5%a4%9a%e7%b7%9a%e7%a8%8b-redis-%e6%ba%90%e7%a2%bc%ef%bc%89-klVZsFfQym\">\u5206\u6790\u6df1\u5165\u6dfa\u51fa\u591a\u7dda\u7a0b Redis \u6e90\u78bc\u5206\u6790\uff08\u591a\u7dda\u7a0b Redis \u6e90\u78bc\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0cRedis \u7684\u6027\u80fd\u74f6\u9838\u9010\u6f38\u986f\u73fe\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e0b\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cRedis \u5718\u968a\u5728 6.0 \u7248\u672c\u4e2d\u5f15\u5165\u4e86\u591a\u7dda\u7a0b\u652f\u6301\u3002\u672c\u6587\u5c07\u6df1\u5165\u5206\u6790\u591a\u7dda\u7a0b Redis \u7684\u6e90\u78bc\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u8a2d\u8a08\u7406\u5ff5\u548c\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b-redis-%e7%9a%84%e8%a8%ad%e8%a8%88%e7%90%86%e5%bf%b5-klVZsFfQym\">\u591a\u7dda\u7a0b Redis \u7684\u8a2d\u8a08\u7406\u5ff5<\/h2>\n<p>\u5728\u50b3\u7d71\u7684 Redis \u4e2d\uff0c\u6240\u6709\u7684\u8acb\u6c42\u90fd\u662f\u5728\u55ae\u4e00\u7dda\u7a0b\u4e2d\u8655\u7406\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u8acb\u6c42\u7684\u8655\u7406\u901f\u5ea6\u6703\u53d7\u5230\u9650\u5236\u3002\u591a\u7dda\u7a0b Redis \u7684\u4e3b\u8981\u76ee\u7684\u662f\u901a\u904e\u5c07\u8acb\u6c42\u5206\u914d\u5230\u591a\u500b\u7dda\u7a0b\u4e2d\u4f86\u63d0\u9ad8\u8655\u7406\u6548\u7387\u3002\u9019\u6a23\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838 CPU \u7684\u6027\u80fd\uff0c\u6e1b\u5c11\u8acb\u6c42\u7684\u5ef6\u9072\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-klVZsFfQym\">\u591a\u7dda\u7a0b\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<p>\u591a\u7dda\u7a0b Redis \u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u95dc\u9375\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u7dda\u7a0b\u6c60\uff1a<\/strong>Redis \u4f7f\u7528\u7dda\u7a0b\u6c60\u4f86\u7ba1\u7406\u591a\u500b\u5de5\u4f5c\u7dda\u7a0b\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u983b\u7e41\u5275\u5efa\u548c\u92b7\u6bc0\u7dda\u7a0b\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u8acb\u6c42\u5206\u767c\uff1a<\/strong>\u8acb\u6c42\u88ab\u5206\u767c\u5230\u4e0d\u540c\u7684\u7dda\u7a0b\u4e2d\u9032\u884c\u8655\u7406\uff0cRedis \u4f7f\u7528\u54c8\u5e0c\u7b97\u6cd5\u4f86\u78ba\u5b9a\u8acb\u6c42\u7684\u76ee\u6a19\u7dda\u7a0b\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u7531\u65bc\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u53ef\u80fd\u6703\u51fa\u73fe\u6578\u64da\u7af6\u722d\uff0cRedis \u5f15\u5165\u4e86\u9396\u6a5f\u5236\u4f86\u4fdd\u8b77\u5171\u4eab\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90-klVZsFfQym\">\u6e90\u78bc\u5206\u6790<\/h2>\n<p>\u5728 Redis \u7684\u6e90\u78bc\u4e2d\uff0c\u591a\u7dda\u7a0b\u7684\u5be6\u73fe\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u5e7e\u500b\u6587\u4ef6\u4e2d\uff1a<\/p>\n<ul>\n<li><code>src\/server.c<\/code>\uff1a\u9019\u662f Redis \u7684\u4e3b\u7a0b\u5e8f\u5165\u53e3\uff0c\u8ca0\u8cac\u521d\u59cb\u5316\u7dda\u7a0b\u6c60\u548c\u555f\u52d5\u5de5\u4f5c\u7dda\u7a0b\u3002<\/li>\n<li><code>src\/thread.c<\/code>\uff1a\u9019\u500b\u6587\u4ef6\u5305\u542b\u4e86\u7dda\u7a0b\u7684\u5275\u5efa\u3001\u92b7\u6bc0\u548c\u7ba1\u7406\u7684\u76f8\u95dc\u51fd\u6578\u3002<\/li>\n<li><code>src\/replication.c<\/code>\uff1a\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\uff0c\u6578\u64da\u7684\u8907\u88fd\u548c\u540c\u6b65\u4e5f\u9700\u8981\u8003\u616e\u7dda\u7a0b\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%b7%9a%e7%a8%8b%e6%b1%a0%e7%9a%84%e5%af%a6%e7%8f%be-klVZsFfQym\">\u7dda\u7a0b\u6c60\u7684\u5be6\u73fe<\/h3>\n<pre><code>\ntypedef struct {\n    pthread_t thread_id;\n    int thread_num;\n    \/\/ \u5176\u4ed6\u5c6c\u6027\n} worker_thread;\n\nworker_thread *threads;\nint thread_count = 4; \/\/ \u8a2d\u7f6e\u7dda\u7a0b\u6578\u91cf\n\nvoid *worker(void *arg) {\n    \/\/ \u7dda\u7a0b\u5de5\u4f5c\u51fd\u6578\n    while (1) {\n        \/\/ \u8655\u7406\u8acb\u6c42\n    }\n}\n\nvoid create_thread_pool() {\n    threads = malloc(sizeof(worker_thread) * thread_count);\n    for (int i = 0; i &lt; thread_count; i++) {\n        pthread_create(&amp;threads[i].thread_id, NULL, worker, NULL);\n    }\n}\n<\/code><\/pre>\n<h3 id=\"%e8%ab%8b%e6%b1%82%e5%88%86%e7%99%bc%e7%9a%84%e9%82%8f%e8%bc%af-klVZsFfQym\">\u8acb\u6c42\u5206\u767c\u7684\u908f\u8f2f<\/h3>\n<p>\u8acb\u6c42\u7684\u5206\u767c\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4e00\u500b\u7c21\u55ae\u7684\u54c8\u5e0c\u51fd\u6578\uff0c\u6839\u64da\u8acb\u6c42\u7684\u9375\u4f86\u78ba\u5b9a\u61c9\u8a72\u7531\u54ea\u500b\u7dda\u7a0b\u4f86\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u540c\u4e00\u500b\u9375\u7684\u8acb\u6c42\u59cb\u7d42\u7531\u540c\u4e00\u500b\u7dda\u7a0b\u8655\u7406\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6578\u64da\u7af6\u722d\u7684\u554f\u984c\u3002<\/p>\n<pre><code>\nint get_thread_index(const char *key) {\n    return hash(key) % thread_count;\n}\n<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e6%b8%ac%e8%a9%a6-klVZsFfQym\">\u6027\u80fd\u6e2c\u8a66<\/h2>\n<p>\u6839\u64da\u5b98\u65b9\u7684\u6027\u80fd\u6e2c\u8a66\uff0c\u591a\u7dda\u7a0b Redis \u5728\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u6027\u80fd\u63d0\u5347\u986f\u8457\u3002\u6e2c\u8a66\u7d50\u679c\u986f\u793a\uff0c\u5728 100,000 \u500b\u8acb\u6c42\u7684\u60c5\u6cc1\u4e0b\uff0c\u591a\u7dda\u7a0b Redis \u7684\u97ff\u61c9\u6642\u9593\u6bd4\u55ae\u7dda\u7a0b\u7248\u672c\u964d\u4f4e\u4e86\u7d04 30%\u3002\u9019\u4f7f\u5f97\u591a\u7dda\u7a0b Redis \u6210\u70ba\u9ad8\u6027\u80fd\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-klVZsFfQym\">\u7e3d\u7d50<\/h2>\n<p>\u591a\u7dda\u7a0b Redis \u7684\u5f15\u5165\u70ba\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u6578\u64da\u8655\u7406\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u7684\u7dda\u7a0b\u7ba1\u7406\u548c\u8acb\u6c42\u5206\u767c\u6a5f\u5236\uff0cRedis \u80fd\u5920\u5145\u5206\u5229\u7528\u591a\u6838 CPU \u7684\u6027\u80fd\uff0c\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u591a\u7dda\u7a0b Redis \u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u6dfa\u51fa\u5206\u6790\u591a\u7dda\u7a0bRedis\u6e90\u78bc\uff0c\u63ed\u793a\u5176\u67b6\u69cb\u8207\u6027\u80fd\u512a\u5316\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3Redis\u7684\u591a\u7dda\u7a0b\u5be6\u73fe\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-156966","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156966","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=156966"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156966\/revisions"}],"predecessor-version":[{"id":156967,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156966\/revisions\/156967"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=156966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=156966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=156966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}