{"id":18102,"date":"2025-03-03T08:23:46","date_gmt":"2025-03-03T00:23:46","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-high-cost-performance-host-performs-in-multitasking\/"},"modified":"2025-03-07T12:31:28","modified_gmt":"2025-03-07T04:31:28","slug":"how-high-cost-performance-host-performs-in-multitasking","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-high-cost-performance-host-performs-in-multitasking\/","title":{"rendered":"\u9ad8\u6027\u4ef7\u6bd4\u670d\u52a1\u5668\u79df\u7528\u5982\u4f55\u5e94\u5bf9\u591a\u4efb\u52a1\u5904\u7406\uff1f"},"content":{"rendered":"\n<p>\u5728\u4e0d\u65ad\u53d1\u5c55\u7684\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u9886\u57df\u4e2d\uff0c\u6ce8\u91cd\u9884\u7b97\u7684\u6280\u672f\u4e13\u4e1a\u4eba\u58eb\u9762\u4e34\u7740\u4e00\u4e2a\u5173\u952e\u95ee\u9898\uff1a\u7ecf\u6d4e\u578b\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u662f\u5426\u771f\u80fd\u5904\u7406\u590d\u6742\u7684\u591a\u4efb\u52a1\u5de5\u4f5c\u8d1f\u8f7d\uff1f\u6211\u4eec\u5728\u516d\u4e2a\u6708\u671f\u95f4across\u5404\u79cd\u670d\u52a1\u5668\u73af\u5883\u8fdb\u884c\u7684\u5168\u9762\u57fa\u51c6\u6d4b\u8bd5\uff0c\u63ed\u793a\u4e86\u670d\u52a1\u5668\u5728\u5b9e\u9645\u573a\u666f\u4e2d\u7684\u4ee4\u4eba\u60ca\u8bb6\u7684\u6027\u80fd\u89c1\u89e3\u3002\u968f\u7740\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u3001\u5fae\u670d\u52a1\u67b6\u6784\u7684\u9700\u6c42\u589e\u52a0\uff0c\u4ee5\u53caWeb\u670d\u52a1\u7684\u65e5\u76ca\u590d\u6742\u5316\uff0c\u4e86\u89e3<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/us\/cn2\/\" target=\"_blank\">\u6027\u4ef7\u6bd4\u670d\u52a1\u5668<\/a>\u7684\u80fd\u529b\u548c\u5c40\u9650\u6027\u5bf9\u4e8e\u5e0c\u671b\u4f18\u5316\u6280\u672f\u6295\u8d44\u540c\u65f6\u4fdd\u6301\u7ade\u4e89\u529b\u6027\u80fd\u6807\u51c6\u7684\u4f01\u4e1a\u6765\u8bf4\u53d8\u5f97\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u52a0\u91cd\u8981\u3002<\/p>\n<div class=\"highlight-box\">\n<h2>\u5b9a\u4e49\u6027\u4ef7\u6bd4\u670d\u52a1\u5668\uff1a\u8d85\u8d8a\u4ef7\u683c\u6807\u7b7e<\/h2>\n<p>\u73b0\u4ee3\u7ecf\u6d4e\u578b\u670d\u52a1\u5668\u63d0\u4f9b\u5e73\u8861\u6027\u80fd\u4e0e\u4ef7\u503c\u7684\u914d\u7f6e\uff0c\u5177\u5907\u591a\u6838\u5904\u7406\u5668\u3001\u5145\u8db3\u7684RAM\u548c\u9ad8\u6027\u80fdSSD\u5b58\u50a8\u3002\u8fd9\u4e9b\u89c4\u683c\u5728\u6b63\u786e\u4f18\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4e3a\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4f01\u4e1a\u7ea7\u6027\u80fd\u3002\u5173\u952e\u4e0d\u4ec5\u5728\u4e8e\u786c\u4ef6\u89c4\u683c\uff0c\u8fd8\u5728\u4e8e\u8fd9\u4e9b\u8d44\u6e90\u7684\u667a\u80fd\u5206\u914d\u548c\u7ba1\u7406\u3002\u6211\u4eec\u7684\u7814\u7a76\u8868\u660e\uff0c\u6708\u79df\u91d1\u572850-100\u7f8e\u5143\u8303\u56f4\u5185\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u6709\u6548\u5904\u7406\u4f20\u7edf\u4e0a\u9700\u8981\u66f4\u6602\u8d35\u786c\u4ef6\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3002\u8fd9\u4e2a\u4ef7\u4f4d\u901a\u5e38\u5305\u62ec4-8\u4e2aCPU\u6838\u5fc3\u30018-16GB RAM\u548cNVMe SSD\u5b58\u50a8\u7684\u914d\u7f6e\uff0c\u5728\u6b63\u786e\u914d\u7f6e\u548c\u4f18\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u5bf9\u5927\u591a\u6570\u4e2d\u5c0f\u578b\u4f01\u4e1a\u5e94\u7528\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\u3002<\/p>\n<\/p><\/div>\n<h2>\u6027\u80fd\u6307\u6807\uff1a\u6280\u672f\u6df1\u5ea6\u5256\u6790<\/h2>\n<p>\u6211\u4eec\u7684\u6d4b\u8bd5\u65b9\u6cd5\u5173\u6ce8\u56db\u4e2a\u5173\u952e\u65b9\u9762\uff0c\u6bcf\u4e2a\u65b9\u9762\u90fd\u5728\u5404\u79cd\u8d1f\u8f7d\u6761\u4ef6\u4e0b\u8fdb\u884c\u4ed4\u7ec6\u6d4b\u91cf\uff0c\u4ee5\u5168\u9762\u4e86\u89e3\u670d\u52a1\u5668\u6027\u80fd\u3002\u6bcf\u4e2a\u6307\u6807\u90fd\u572830\u5929\u671f\u95f4\u6301\u7eed\u76d1\u63a7\uff0c\u4ee5\u8003\u8651\u4e0d\u540c\u7684\u4f7f\u7528\u6a21\u5f0f\u548c\u5cf0\u503c\u8d1f\u8f7d\u573a\u666f\uff1a<\/p>\n<div class=\"performance-metric\">CPU\u7ebf\u7a0b\u7ba1\u7406 &#8211; \u5206\u6790\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u7684\u7ebf\u7a0b\u5206\u914d\u6548\u7387\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\uff0c\u7279\u522b\u5173\u6ce8\u7ebf\u7a0b\u8c03\u5ea6\u7b97\u6cd5\u53ca\u5176\u5bf9\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u65f6\u95f4\u7684\u5f71\u54cd\u3002\u6211\u4eec\u7684\u6d4b\u8bd5\u5305\u62ec\u8de8\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u9ad8\u8fbe1000\u4e2a\u5e76\u53d1\u7ebf\u7a0b\u7684\u573a\u666f\u3002<\/div>\n<div class=\"performance-metric\">\u5185\u5b58\u5206\u914d\u6548\u7387 &#8211; \u8bc4\u4f30\u5185\u5b58\u4f7f\u7528\u6a21\u5f0f\u548c\u5783\u573e\u56de\u6536\u5bf9\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u5bf9\u5185\u5b58\u788e\u7247\u3001\u9875\u9762\u9519\u8bef\u548c\u7f13\u5b58\u5229\u7528\u7387\u7684\u8be6\u7ec6\u5206\u6790\u3002\u6211\u4eec\u5b9e\u65bd\u4e86\u5404\u79cd\u5185\u5b58\u7ba1\u7406\u7b56\u7565\u6765\u4f18\u5316\u5206\u914d\u548c\u91ca\u653e\u6a21\u5f0f\u3002<\/div>\n<div class=\"performance-metric\">\u6bcf\u79d2I\/O\u64cd\u4f5c\u6570 &#8211; \u5728\u91cd\u8d1f\u8f7d\u8bfb\/\u5199\u573a\u666f\u4e0b\u6d4b\u91cf\u78c1\u76d8\u6027\u80fd\uff0c\u7279\u522b\u5173\u6ce8\u968f\u673a\u8bbf\u95ee\u6a21\u5f0f\u548c\u6301\u7eed\u541e\u5410\u80fd\u529b\u3002\u6d4b\u8bd5\u5305\u62ec\u4e0d\u540c\u5757\u5927\u5c0f\u7684\u987a\u5e8f\u548c\u968f\u673aI\/O\u64cd\u4f5c\u3002<\/div>\n<div class=\"performance-metric\">\u7f51\u7edc\u541e\u5410\u91cf &#8211; \u8bc4\u4f30\u5404\u79cd\u7f51\u7edc\u6761\u4ef6\u4e0b\u7684\u5e26\u5bbd\u5229\u7528\u7387\u548c\u6570\u636e\u5305\u5904\u7406\u6548\u7387\uff0c\u5305\u62ec\u9ad8\u5ef6\u8fdf\u573a\u666f\u548c\u6570\u636e\u5305\u4e22\u5931\u60c5\u51b5\u7684\u6a21\u62df\u3002\u6211\u4eec\u5b9e\u65bd\u4e86\u9ad8\u7ea7TCP\u8c03\u4f18\u53c2\u6570\u6765\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<\/div>\n<h2>\u5b9e\u9645\u6027\u80fd\u5206\u6790<\/h2>\n<p>\u5728\u6211\u4eec\u5e7f\u6cdb\u7684\u538b\u529b\u6d4b\u8bd5\u671f\u95f4\uff0c\u6211\u4eec\u8ba9\u5404\u79cd\u670d\u52a1\u5668\u7ecf\u5386\u4e86\u5bc6\u96c6\u7684\u591a\u4efb\u52a1\u5904\u7406\u573a\u666f\u3002\u6d4b\u8bd5\u73af\u5883\u5305\u62ec\u591a\u4e2a\u5e76\u53d1\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u65e8\u5728\u6a21\u62df\u5b9e\u9645\u4f7f\u7528\u6a21\u5f0f\uff0c\u5305\u62ec\u8d2d\u7269\u65fa\u5b63\u671f\u95f4\u7684\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u3001\u5904\u7406\u591a\u4e2a\u540c\u65f6\u66f4\u65b0\u7684\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff0c\u4ee5\u53ca\u7ba1\u7406\u5927\u89c4\u6a21ETL\u64cd\u4f5c\u7684\u6570\u636e\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u7684\u6d4b\u8bd5\u8868\u660e\uff0c\u5728\u6b63\u786e\u914d\u7f6e\u7684\u60c5\u51b5\u4e0b\uff0c\u73b0\u4ee3\u7ecf\u6d4e\u578b\u670d\u52a1\u5668\u53ef\u4ee5\u5904\u7406\u9ad8\u8fbe80%\u7684\u4f01\u4e1a\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5728\u6d89\u53ca\u6df7\u5408\u8bfb\/\u5199\u64cd\u4f5c\u548c\u5e76\u53d1\u7528\u6237\u4f1a\u8bdd\u7684\u573a\u666f\u4e2d\u8868\u73b0\u5c24\u4e3a\u51fa\u8272\u3002<\/p>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\">\n<tr>\n<th>\u670d\u52a1\u7c7b\u578b<\/th>\n<th>\u8d1f\u8f7d\u53c2\u6570<\/th>\n<th>\u6027\u80fd\u6307\u6807<\/th>\n<th>\u7ed3\u679c<\/th>\n<\/tr>\n<tr>\n<td>Web\u670d\u52a1\u5668(Apache)<\/td>\n<td>500+\u5e76\u53d1\u8fde\u63a5<\/td>\n<td>\u54cd\u5e94\u65f6\u95f4\u548c\u541e\u5410\u91cf<\/td>\n<td>\u5e73\u5747\u54cd\u5e94\u65f6\u95f4<200ms<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5e93(MySQL)<\/td>\n<td>1000+\u67e5\u8be2\/\u79d2<\/td>\n<td>\u67e5\u8be2\u6267\u884c\u65f6\u95f4<\/td>\n<td>95%\u67e5\u8be2<50ms<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u670d\u52a1\u5668(Redis)<\/td>\n<td>10GB\u6d3b\u52a8\u6570\u636e\u96c6<\/td>\n<td>\u7f13\u5b58\u547d\u4e2d\u7387<\/td>\n<td>\u547d\u4e2d\u7387>95%<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u53f0\u5904\u7406<\/td>\n<td>\u6301\u7eed\u6587\u4ef6\u64cd\u4f5c<\/td>\n<td>\u5904\u7406\u65f6\u95f4<\/td>\n<td>\u6301\u7eed80MB\/s\u541e\u5410\u91cf<\/td>\n<\/tr>\n<\/table>\n<h2>\u5185\u5b58\u7ba1\u7406\u89c1\u89e3<\/h2>\n<div class=\"highlight-box\">\n<p>\u9ad8\u7ea7\u5185\u5b58\u5904\u7406\u6280\u672f\u5728\u6211\u4eec\u7684\u6d4b\u8bd5\u73af\u5883\u4e2d\u663e\u793a\u51fa\u663e\u8457\u7684\u7ed3\u679c\u3002\u901a\u8fc7\u4ed4\u7ec6\u4f18\u5316\u548c\u76d1\u63a7\uff0c\u5305\u62ec\u5b9e\u65bd\u81ea\u5b9a\u4e49\u5185\u5b58\u5206\u914d\u7b56\u7565\u548c\u9ad8\u7ea7\u7f13\u5b58\u673a\u5236\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\uff1a<\/p>\n<ul>\n<li>\u4f18\u5316\u9875\u9762\u7f13\u5b58\u5229\u7528\u7387\uff0c\u901a\u8fc7\u4ed4\u7ec6\u8c03\u6574\u5185\u6838\u7684\u9875\u9762\u7f13\u5b58\u53c2\u6570\u548c\u5b9e\u65bd\u667a\u80fd\u9884\u53d6\u7b97\u6cd5\uff0c\u4f7f\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u901f\u5ea6\u63d0\u9ad840%<\/li>\n<li>\u9ad8\u6548\u7684\u4ea4\u6362\u7a7a\u95f4\u7ba1\u7406\uff0c\u901a\u8fc7\u5b9e\u65bd\u9ad8\u7ea7\u4ea4\u6362\u6027\u914d\u7f6e\u548c\u5185\u5b58\u538b\u529b\u68c0\u6d4b\u673a\u5236\uff0c\u51cf\u5c11\u78c1\u76d8I\/O 60%<\/li>\n<li>\u5148\u8fdb\u7684\u5185\u5b58\u538b\u7f29\u6280\u672f\u63d0\u4f9b30%\u66f4\u591a\u53ef\u7528RAM\uff0c\u5229\u7528zswap\u548c\u7c7b\u4f3c\u7684\u5185\u6838\u7ea7\u538b\u7f29\u529f\u80fd<\/li>\n<li>\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bad\u7ec3\u7684\u5386\u53f2\u8bbf\u95ee\u6a21\u5f0f\uff0c\u667a\u80fd\u7f13\u5b58\u9884\u6d4b\u7b97\u6cd5\u63d0\u9ad8\u547d\u4e2d\u738725%<\/li>\n<\/ul><\/div>\n<h2>\u7f51\u7edc\u6027\u80fd\u4f18\u5316<\/h2>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\">\n<tr>\n<th>\u6307\u6807<\/th>\n<th>\u4f18\u5316\u6280\u672f<\/th>\n<th>\u5f71\u54cd<\/th>\n<th>\u6d4b\u91cf\u6539\u8fdb<\/th>\n<\/tr>\n<tr>\n<td>\u5e26\u5bbd\u5229\u7528\u7387<\/td>\n<td>\u6d41\u91cf\u6574\u5f62<\/td>\n<td>\u589e\u5f3a\u7a33\u5b9a\u6027<\/td>\n<td>\u541e\u5410\u91cf\u63d0\u534735%<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5305\u7ba1\u7406<\/td>\n<td>\u7f13\u51b2\u533a\u4f18\u5316<\/td>\n<td>\u964d\u4f4e\u4e22\u5305\u7387<\/td>\n<td>\u6570\u636e\u5305\u4e22\u5931<0.1%<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u5904\u7406<\/td>\n<td>\u4fdd\u6301\u8fde\u63a5\u8c03\u4f18<\/td>\n<td>\u6539\u5584\u6301\u4e45\u6027<\/td>\n<td>\u91cd\u8fde\u6b21\u6570\u51cf\u5c1150%<\/td>\n<\/tr>\n<\/table>\n<h2>\u6269\u5c55\u6027\u80fd\u89c1\u89e3<\/h2>\n<p>\u6211\u4eec\u7684\u957f\u671f\u6d4b\u8bd5\u63ed\u793a\u4e86\u51e0\u4e2a\u663e\u8457\u5f71\u54cd\u591a\u4efb\u52a1\u73af\u5883\u4e0b\u670d\u52a1\u5668\u6027\u80fd\u7684\u5173\u952e\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li>\u8fdb\u7a0b\u8c03\u5ea6\u4f18\u5316\uff1a\u5fae\u8c03Linux\u5185\u6838\u7684CFS\uff08\u5b8c\u5168\u516c\u5e73\u8c03\u5ea6\u5668\uff09\u53c2\u6570\uff0c\u5728\u91cd\u8d1f\u8f7d\u4e0b\u4f7f\u8fdb\u7a0b\u54cd\u5e94\u65f6\u95f4\u63d0\u9ad825%<\/li>\n<li>I\/O\u8c03\u5ea6\u5668\u914d\u7f6e\uff1a\u4e3a\u6570\u636e\u5e93\u5de5\u4f5c\u8d1f\u8f7d\u5b9e\u65bddeadline I\/O\u8c03\u5ea6\u5668\uff0c\u540c\u65f6\u5bf9\u901a\u7528\u64cd\u4f5c\u4f7f\u7528CFQ\uff0c\u6574\u4f53\u78c1\u76d8\u541e\u5410\u91cf\u63d0\u9ad830%<\/li>\n<li>\u7f51\u7edc\u6808\u8c03\u4f18\uff1a\u81ea\u5b9a\u4e49TCP\/IP\u6808\u914d\u7f6e\uff0c\u5305\u62ec\u7f13\u51b2\u533a\u5927\u5c0f\u548c\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u7f51\u7edc\u5ef6\u8fdf\u964d\u4f4e40%<\/li>\n<li>\u8d44\u6e90\u9694\u79bb\uff1a\u5b9e\u65bdcgroups\u548c\u5bb9\u5668\u9650\u5236\u9632\u6b62\u5173\u952e\u670d\u52a1\u4e4b\u95f4\u7684\u8d44\u6e90\u4e89\u7528\uff0c\u6574\u4f53\u7a33\u5b9a\u6027\u63d0\u9ad845%<\/li>\n<\/ul>\n<h2>\u7ed3\u8bba\u548c\u672a\u6765\u5c55\u671b<\/h2>\n<p>\u6211\u4eec\u7684\u7814\u7a76\u8868\u660e\uff0c\u7ecf\u6d4e\u578b\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u5728\u6b63\u786e\u914d\u7f6e\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u6709\u6548\u5904\u7406\u590d\u6742\u7684\u591a\u4efb\u52a1\u5de5\u4f5c\u8d1f\u8f7d\u3002Docker\u548cKubernetes\u7b49\u5bb9\u5668\u5316\u6280\u672f\u7684\u51fa\u73b0\u3001\u6539\u8fdb\u7684\u865a\u62df\u5316\u6280\u672f\u548c\u9ad8\u7ea7\u8d44\u6e90\u7f16\u6392\u5de5\u5177\u8fdb\u4e00\u6b65\u6269\u5c55\u4e86\u7ecf\u6d4e\u578b\u670d\u52a1\u5668\u7684\u80fd\u529b\u3002\u6211\u4eec\u89c2\u5bdf\u5230\uff0c\u4ed4\u7ec6\u7684\u8d44\u6e90\u5206\u914d\u548c\u4f18\u5316\u5f80\u5f80\u53ef\u4ee5\u8d85\u8d8a\u539f\u59cb\u786c\u4ef6\u4f18\u52bf\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u5fae\u670d\u52a1\u67b6\u6784\u548c\u5206\u5e03\u5f0f\u8ba1\u7b97\u5de5\u4f5c\u8d1f\u8f7d\u7684\u573a\u666f\u4e2d\u3002<\/p>\n<div 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