{"id":5067,"date":"2024-11-14T12:50:55","date_gmt":"2024-11-14T04:50:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5067\/"},"modified":"2024-11-14T12:50:55","modified_gmt":"2024-11-14T04:50:55","slug":"redis%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8%e5%a4%9a%e8%b7%af%e5%a4%8d%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5067\/","title":{"rendered":"redis\u600e\u4e48\u4f7f\u7528\u591a\u8def\u590d\u7528"},"content":{"rendered":"<blockquote><p>\n  redis \u591a\u8def\u590d\u7528\u4f7f\u7528 epoll \u673a\u5236\uff0c\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u9ad8\u6548\u5730\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u63d0\u9ad8\u6027\u80fd\u3001\u53ef\u4f38\u7f29\u6027\u548c\u8d44\u6e90\u6548\u7387\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/21\/2024052113512131505.jpg\" class=\"aligncenter\" title=\"redis\u600e\u4e48\u4f7f\u7528\u591a\u8def\u590d\u7528\u63d2\u56fe\" alt=\"redis\u600e\u4e48\u4f7f\u7528\u591a\u8def\u590d\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>Redis \u591a\u8def\u590d\u7528<\/strong><\/p>\n<p>Redis \u591a\u8def\u590d\u7528\u662f\u4e00\u79cd\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26(FD)\u5e76\u5bf9\u6bcf\u4e2a FD \u4e0a\u7684\u6d3b\u52a8\u505a\u51fa\u53cd\u5e94\u7684\u6280\u672f\u3002\u8fd9\u5141\u8bb8 Redis \u5904\u7406\u6765\u81ea\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u800c\u65e0\u9700\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u5355\u72ec\u7684\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u3002<\/p>\n<p><strong>\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n<p>Redis \u4f7f\u7528 epoll \u591a\u8def\u590d\u7528\u673a\u5236\uff0c\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a\u79f0\u4e3a epoll \u5b9e\u4f8b\u7684\u4e8b\u4ef6\u5faa\u73af\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u8868\u793a\u4e3a\u4e00\u4e2a FD\uff0c\u8be5 FD \u88ab\u6dfb\u52a0\u5230 epoll \u5b9e\u4f8b\u4e2d\u3002epoll \u5b9e\u4f8b\u4e0d\u65ad\u8f6e\u8be2\uff0c\u68c0\u67e5\u662f\u5426\u6709\u6765\u81ea FD \u7684\u4efb\u4f55\u6d3b\u52a8\u3002<\/p>\n<p>\u5f53 FD \u6709\u6d3b\u52a8\u65f6\uff0cepoll \u5b9e\u4f8b\u4f1a\u901a\u77e5 Redis\uff0cRedis \u7136\u540e\u8bfb\u53d6\u6216\u5199\u5165 FD\uff0c\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u6216\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002<\/p>\n<p><strong>\u597d\u5904<\/strong><\/p>\n<ul>\n<li> <strong>\u9ad8\u6027\u80fd\uff1a<\/strong>\u901a\u8fc7\u6d88\u9664\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500\uff0c\u591a\u8def\u590d\u7528\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li> <strong>\u53ef\u4f38\u7f29\u6027\uff1a<\/strong>\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/li>\n<li> <strong>\u8d44\u6e90\u6548\u7387\uff1a<\/strong>\u901a\u8fc7\u907f\u514d\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u5355\u72ec\u7684\u7ebf\u7a0b\u6216\u8fdb\u7a0b\uff0c\u8282\u7701\u4e86\u7cfb\u7edf\u8d44\u6e90\u3002<\/li>\n<li> <strong>\u53ef\u9760\u6027\uff1a<\/strong>\u591a\u8def\u590d\u7528\u673a\u5236\u662f\u53ef\u9760\u7684\uff0c\u56e0\u4e3a\u5373\u4f7f\u4e00\u4e2a FD \u51fa\u73b0\u95ee\u9898\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6 FD\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u4f7f\u7528<\/strong><\/p>\n<p>Redis \u7684\u591a\u8def\u590d\u7528\u673a\u5236\u5df2\u7ecf\u5185\u7f6e\uff0c\u65e0\u9700\u663e\u5f0f\u914d\u7f6e\u3002\u5728 Redis \u542f\u52a8\u540e\uff0c\u5b83\u4f1a\u81ea\u52a8\u5f00\u59cb\u8f6e\u8be2 FD \u5e76\u5904\u7406\u8bf7\u6c42\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5728 Redis \u4e2d\u4f7f\u7528\u591a\u8def\u590d\u7528\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/ \u521b\u5efa\u4e00\u4e2a Redis \u5ba2\u6237\u7aef\nlet client = redis.createClient();\n\n\/\/ \u8bbe\u7f6e\u4e8b\u4ef6\u76d1\u542c\u5668\nclient.on('error', (err) =&gt; {\n  console.error(err);\n});\n\nclient.on('connect', () =&gt; {\n  console.log('Connected to Redis.');\n});\n\n\/\/ \u53d1\u9001\u547d\u4ee4\nclient.get('key', (err, reply) =&gt; {\n  if (err) {\n    console.error(err);\n  } else {\n    console.log(reply);\n  }\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>Redis \u7684\u591a\u8def\u590d\u7528\u673a\u5236\u5bf9\u4e8e\u5904\u7406\u5927\u91cf\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u63d0\u9ad8\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u5b83\u63d0\u4f9b\u4e86\u53ef\u4f38\u7f29\u6027\u3001\u8d44\u6e90\u6548\u7387\u548c\u53ef\u9760\u6027\uff0c\u4f7f Redis \u6210\u4e3a\u9ad8\u5e76\u53d1\u5e94\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u4f7f\u7528\u591a\u8def\u590d\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>redis \u591a\u8def\u590d\u7528\u4f7f\u7528 epoll \u673a\u5236\uff0c\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u9ad8\u6548\u5730\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u63d0\u9ad8\u6027\u80fd\u3001\u53ef\u4f38\u7f29\u6027\u548c\u8d44\u6e90\u6548\u7387\u3002 Redis \u591a\u8def\u590d\u7528 Redis \u591a\u8def\u590d\u7528\u662f\u4e00\u79cd\u4f7f\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26(FD)\u5e76\u5bf9\u6bcf\u4e2a FD \u4e0a\u7684\u6d3b\u52a8\u505a\u51fa\u53cd\u5e94\u7684\u6280\u672f\u3002\u8fd9\u5141\u8bb8 Redis \u5904\u7406\u6765\u81ea\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u800c\u65e0\u9700\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u5355\u72ec\u7684\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u3002 \u5de5\u4f5c\u539f\u7406 Redis \u4f7f\u7528 epoll \u591a\u8def\u590d\u7528\u673a\u5236\uff0c\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a\u79f0\u4e3a epoll \u5b9e\u4f8b\u7684\u4e8b\u4ef6\u5faa\u73af\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u8868\u793a\u4e3a\u4e00\u4e2a FD\uff0c\u8be5 FD \u88ab\u6dfb\u52a0\u5230 epoll \u5b9e\u4f8b\u4e2d\u3002epoll \u5b9e\u4f8b\u4e0d\u65ad\u8f6e\u8be2\uff0c\u68c0\u67e5\u662f\u5426\u6709\u6765\u81ea FD \u7684\u4efb\u4f55\u6d3b\u52a8\u3002 \u5f53 FD \u6709\u6d3b\u52a8\u65f6\uff0cepoll \u5b9e\u4f8b\u4f1a\u901a\u77e5 Redis\uff0cRedis \u7136\u540e\u8bfb\u53d6\u6216\u5199\u5165 FD\uff0c\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u6216\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002 \u597d\u5904 \u9ad8\u6027\u80fd\uff1a\u901a\u8fc7\u6d88\u9664\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500\uff0c\u591a\u8def\u590d\u7528\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002 \u53ef\u4f38\u7f29\u6027\uff1a\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u5ba2\u6237\u7aef\u8fde\u63a5\u3002 \u8d44\u6e90\u6548\u7387\uff1a\u901a\u8fc7\u907f\u514d\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u5355\u72ec\u7684\u7ebf\u7a0b\u6216\u8fdb\u7a0b\uff0c\u8282\u7701\u4e86\u7cfb\u7edf\u8d44\u6e90\u3002 \u53ef\u9760\u6027\uff1a\u591a\u8def\u590d\u7528\u673a\u5236\u662f\u53ef\u9760\u7684\uff0c\u56e0\u4e3a\u5373\u4f7f\u4e00\u4e2a FD \u51fa\u73b0\u95ee\u9898\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6 FD\u3002 \u5982\u4f55\u4f7f\u7528 Redis \u7684\u591a\u8def\u590d\u7528\u673a\u5236\u5df2\u7ecf\u5185\u7f6e\uff0c\u65e0\u9700\u663e\u5f0f\u914d\u7f6e\u3002\u5728 Redis \u542f\u52a8\u540e\uff0c\u5b83\u4f1a\u81ea\u52a8\u5f00\u59cb\u8f6e\u8be2 FD \u5e76\u5904\u7406\u8bf7\u6c42\u3002 \u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5728 Redis \u4e2d\u4f7f\u7528\u591a\u8def\u590d\u7528\u7684\u7b80\u5355\u793a\u4f8b\uff1a \/\/ \u521b\u5efa\u4e00\u4e2a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5067","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5067"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5067\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}