{"id":6049,"date":"2024-11-14T11:03:27","date_gmt":"2024-11-14T03:03:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6049\/"},"modified":"2024-11-14T11:03:27","modified_gmt":"2024-11-14T03:03:27","slug":"redis%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e9%ab%98%e5%b9%b6%e5%8f%91","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6049\/","title":{"rendered":"redis\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1"},"content":{"rendered":"<blockquote><p>\n  redis\u901a\u8fc7\u4ee5\u4e0b\u673a\u5236\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff1a\u5355\u7ebf\u7a0b\u4e8b\u4ef6\u5faa\u73af\u3001i\/o\u591a\u8def\u590d\u7528\u3001\u65e0\u9501\u6570\u636e\u7ed3\u6784\u3001\u60f0\u6027\u5220\u9664\u3001\u7ba1\u9053\u5316\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u4ee5\u53ca\u53ef\u6269\u5c55\u5230\u96c6\u7fa4\u6a21\u5f0f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/12\/2024061217512062281.jpg\" class=\"aligncenter\" title=\"redis\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\u63d2\u56fe\" alt=\"redis\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\u63d2\u56fe\" \/><\/p>\n<p><strong>Redis\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff1f<\/strong><\/p>\n<p>Redis\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u80fd\u591f\u5904\u7406\u9ad8\u3002\u5b83\u901a\u8fc7\u4ee5\u4e0b\u673a\u5236\u6765\u5b9e\u73b0\uff1a<\/p>\n<p><strong>1. \u5355\u7ebf\u7a0b\u4e8b\u4ef6\u5faa\u73af<\/strong><\/p>\n<p>Redis\u91c7\u7528\u5355\u7ebf\u7a0b\u67b6\u6784\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u6709\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u5904\u7406\u6240\u6709\u8bf7\u6c42\u3002\u8fd9\u79cd\u67b6\u6784\u7b80\u5316\u4e86\u5e76\u53d1\u95ee\u9898\uff0c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u6570\u636e\u7ade\u4e89\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500\u3002<\/p>\n<p><strong>2. I\/O\u591a\u8def\u590d\u7528<\/strong><\/p>\n<p>Redis\u57fa\u4e8eI\/O\u591a\u8def\u590d\u7528\u6a21\u578b\uff0c\u8be5\u6a21\u578b\u5141\u8bb8\u5355\u4e2a\u7ebf\u7a0b\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u5957\u63a5\u5b57\u548c\u7ba1\u9053\uff0c\u5e76\u9ad8\u6548\u5730\u5904\u7406\u4f20\u5165\u7684\u4e8b\u4ef6\u3002\u5b83\u4f7f\u7528epoll\u6216kqueue\u7b49\u7cfb\u7edf\u8c03\u7528\u6765\u76d1\u63a7\u5927\u91cf\u8fde\u63a5\uff0c\u4ece\u800c\u5feb\u901f\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/p>\n<p><strong>3. \u65e0\u9501\u6570\u636e\u7ed3\u6784<\/strong><\/p>\n<p>Redis\u4f7f\u7528Atomic Reference Counts (RC)\u548cCopy-On-Write (COW)\u7b49\u65e0\u9501\u6570\u636e\u7ed3\u6784\u6765\u7ba1\u7406\u5176\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u4e0d\u9700\u8981\u4e92\u65a5\u9501\uff0c\u4ece\u800c\u6d88\u9664\u4e86\u9501\u4e89\u7528\u548c\u6b7b\u9501\u7684\u98ce\u9669\uff0c\u63d0\u9ad8\u4e86\u5e76\u53d1\u6027\u80fd\u3002<\/p>\n<p><strong>4. \u60f0\u6027\u5220\u9664<\/strong><\/p>\n<p>Redis\u91c7\u7528\u60f0\u6027\u5220\u9664\u7b56\u7565\uff0c\u5373\u5f53\u4e00\u4e2a\u952e\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u65f6\uff0c\u8be5\u952e\u5e76\u4e0d\u7acb\u5373\u4ece\u5185\u5b58\u4e2d\u79fb\u9664\u3002\u76f8\u53cd\uff0c\u5b83\u88ab\u6807\u8bb0\u4e3a\u5df2\u5220\u9664\uff0c\u53ea\u6709\u5f53\u9700\u8981\u7a7a\u95f4\u65f6\u624d\u4f1a\u771f\u6b63\u4ece\u5185\u5b58\u4e2d\u56de\u6536\u3002\u8fd9\u907f\u514d\u4e86\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u9891\u7e41\u7684\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\uff0c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<p><strong>5. \u7ba1\u9053\u5316<\/strong><\/p>\n<p>Redis\u652f\u6301\u8bf7\u6c42\u7ba1\u9053\u5316\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5c06\u591a\u4e2a\u8bf7\u6c42\u6253\u5305\u6210\u4e00\u4e2a\u8bf7\u6c42\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u5c06\u540c\u65f6\u5904\u7406\u6240\u6709\u8bf7\u6c42\uff0c\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u548c\u670d\u52a1\u5668\u7aef\u5904\u7406\u65f6\u95f4\u3002<\/p>\n<p><strong>6. \u5ba2\u6237\u7aef\u8fde\u63a5\u6c60<\/strong><\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u9891\u7e41\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u65ad\u5f00\u8fde\u63a5\uff0cRedis\u63d0\u4f9b\u4e86\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u529f\u80fd\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u5c06\u8fde\u63a5\u7f13\u5b58\u8d77\u6765\u5e76\u590d\u7528\u5b83\u4eec\uff0c\u4ece\u800c\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u7684\u5f00\u9500\uff0c\u63d0\u9ad8\u5e76\u53d1\u80fd\u529b\u3002<\/p>\n<p><strong>7. \u96c6\u7fa4<\/strong><\/p>\n<p>\u5bf9\u4e8e\u6781\u9ad8\u7684\u5e76\u53d1\u9700\u6c42\uff0cRedis\u53ef\u4ee5\u4f7f\u7528\u96c6\u7fa4\u6a21\u5f0f\u8fdb\u884c\u6269\u5c55\u3002\u96c6\u7fa4\u5c06\u591a\u4e2aRedis\u5b9e\u4f8b\u8fde\u63a5\u8d77\u6765\uff0c\u5e76\u4f7f\u7528\u4e00\u81f4\u6027\u6563\u5217\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5206\u7247\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06\u8d1f\u8f7d\u5206\u5e03\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u63d0\u5347\u6574\u4f53\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\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\u901a\u8fc7\u4ee5\u4e0b\u673a\u5236\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff1a\u5355\u7ebf\u7a0b\u4e8b\u4ef6\u5faa\u73af\u3001i\/o\u591a\u8def\u590d\u7528\u3001\u65e0\u9501\u6570\u636e\u7ed3\u6784\u3001\u60f0\u6027\u5220\u9664\u3001\u7ba1\u9053\u5316\u3001\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u4ee5\u53ca\u53ef\u6269\u5c55\u5230\u96c6\u7fa4\u6a21\u5f0f\u3002 Redis\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\uff1f Redis\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u80fd\u591f\u5904\u7406\u9ad8\u3002\u5b83\u901a\u8fc7\u4ee5\u4e0b\u673a\u5236\u6765\u5b9e\u73b0\uff1a 1. \u5355\u7ebf\u7a0b\u4e8b\u4ef6\u5faa\u73af Redis\u91c7\u7528\u5355\u7ebf\u7a0b\u67b6\u6784\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ea\u6709\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u5904\u7406\u6240\u6709\u8bf7\u6c42\u3002\u8fd9\u79cd\u67b6\u6784\u7b80\u5316\u4e86\u5e76\u53d1\u95ee\u9898\uff0c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u6570\u636e\u7ade\u4e89\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500\u3002 2. I\/O\u591a\u8def\u590d\u7528 Redis\u57fa\u4e8eI\/O\u591a\u8def\u590d\u7528\u6a21\u578b\uff0c\u8be5\u6a21\u578b\u5141\u8bb8\u5355\u4e2a\u7ebf\u7a0b\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u5957\u63a5\u5b57\u548c\u7ba1\u9053\uff0c\u5e76\u9ad8\u6548\u5730\u5904\u7406\u4f20\u5165\u7684\u4e8b\u4ef6\u3002\u5b83\u4f7f\u7528epoll\u6216kqueue\u7b49\u7cfb\u7edf\u8c03\u7528\u6765\u76d1\u63a7\u5927\u91cf\u8fde\u63a5\uff0c\u4ece\u800c\u5feb\u901f\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002 3. \u65e0\u9501\u6570\u636e\u7ed3\u6784 Redis\u4f7f\u7528Atomic Reference Counts (RC)\u548cCopy-On-Write (COW)\u7b49\u65e0\u9501\u6570\u636e\u7ed3\u6784\u6765\u7ba1\u7406\u5176\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u4e0d\u9700\u8981\u4e92\u65a5\u9501\uff0c\u4ece\u800c\u6d88\u9664\u4e86\u9501\u4e89\u7528\u548c\u6b7b\u9501\u7684\u98ce\u9669\uff0c\u63d0\u9ad8\u4e86\u5e76\u53d1\u6027\u80fd\u3002 4. \u60f0\u6027\u5220\u9664 Redis\u91c7\u7528\u60f0\u6027\u5220\u9664\u7b56\u7565\uff0c\u5373\u5f53\u4e00\u4e2a\u952e\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u65f6\uff0c\u8be5\u952e\u5e76\u4e0d\u7acb\u5373\u4ece\u5185\u5b58\u4e2d\u79fb\u9664\u3002\u76f8\u53cd\uff0c\u5b83\u88ab\u6807\u8bb0\u4e3a\u5df2\u5220\u9664\uff0c\u53ea\u6709\u5f53\u9700\u8981\u7a7a\u95f4\u65f6\u624d\u4f1a\u771f\u6b63\u4ece\u5185\u5b58\u4e2d\u56de\u6536\u3002\u8fd9\u907f\u514d\u4e86\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u9891\u7e41\u7684\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\uff0c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002 5. \u7ba1\u9053\u5316 Redis\u652f\u6301\u8bf7\u6c42\u7ba1\u9053\u5316\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5c06\u591a\u4e2a\u8bf7\u6c42\u6253\u5305\u6210\u4e00\u4e2a\u8bf7\u6c42\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u5c06\u540c\u65f6\u5904\u7406\u6240\u6709\u8bf7\u6c42\uff0c\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u548c\u670d\u52a1\u5668\u7aef\u5904\u7406\u65f6\u95f4\u3002 6. \u5ba2\u6237\u7aef\u8fde\u63a5\u6c60 \u4e3a\u4e86\u907f\u514d\u9891\u7e41\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u548c\u65ad\u5f00\u8fde\u63a5\uff0cRedis\u63d0\u4f9b\u4e86\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u529f\u80fd\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u5c06\u8fde\u63a5\u7f13\u5b58\u8d77\u6765\u5e76\u590d\u7528\u5b83\u4eec\uff0c\u4ece\u800c\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u7684\u5f00\u9500\uff0c\u63d0\u9ad8\u5e76\u53d1\u80fd\u529b\u3002 7. \u96c6\u7fa4 \u5bf9\u4e8e\u6781\u9ad8\u7684\u5e76\u53d1\u9700\u6c42\uff0cRedis\u53ef\u4ee5\u4f7f\u7528\u96c6\u7fa4\u6a21\u5f0f\u8fdb\u884c\u6269\u5c55\u3002\u96c6\u7fa4\u5c06\u591a\u4e2aRedis\u5b9e\u4f8b\u8fde\u63a5\u8d77\u6765\uff0c\u5e76\u4f7f\u7528\u4e00\u81f4\u6027\u6563\u5217\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5206\u7247\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06\u8d1f\u8f7d\u5206\u5e03\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u63d0\u5347\u6574\u4f53\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5b9e\u73b0\u9ad8\u5e76\u53d1\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6049","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6049","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=6049"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6049\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}