{"id":1400,"date":"2018-06-19T20:40:03","date_gmt":"2018-06-19T12:40:03","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1400"},"modified":"2018-06-19T20:40:03","modified_gmt":"2018-06-19T12:40:03","slug":"tps%e5%8f%8a%e8%ae%a1%e7%ae%97%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1400","title":{"rendered":"TPS\u53ca\u8ba1\u7b97\u65b9\u6cd5"},"content":{"rendered":"<h1 class=\"postTitle\"><a id=\"cb_post_title_url\" class=\"postTitle2\" href=\"https:\/\/www.cnblogs.com\/richardcuick\/p\/6384122.html\">TPS\u53ca\u8ba1\u7b97\u65b9\u6cd5<\/a><\/h1>\n<div class=\"clear\"><\/div>\n<div class=\"postBody\">\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<div align=\"left\">\n<div>TPS (transaction per second)\u4ee3\u8868\u6bcf\u79d2\u6267\u884c\u7684\u4e8b\u52a1\u6570\u91cf\uff0c\u53ef\u57fa\u4e8e\u6d4b\u8bd5\u5468\u671f\u5185\u5b8c\u6210\u7684\u4e8b\u52a1\u6570\u91cf\u8ba1\u7b97\u5f97\u51fa\u3002\u4f8b\u5982\uff0c\u7528\u6237\u6bcf\u5206\u949f\u6267\u884c6\u4e2a\u4e8b\u52a1\uff0cTPS\u4e3a6\u00a0\/ 60s\u00a0= 0.10 TPS\u3002\u540c\u65f6\u6211\u4eec\u4f1a\u77e5\u9053\u4e8b\u52a1\u7684\u54cd\u5e94\u65f6\u95f4(\u6216\u8282\u62cd)\uff0c\u4ee5\u6b64\u4f8b\uff0c60\u79d2\u5b8c\u62106\u4e2a\u4e8b\u52a1\u4e5f\u540c\u65f6\u4ee3\u8868\u6bcf\u4e2a\u4e8b\u52a1\u7684\u54cd\u5e94\u65f6\u95f4\u6216\u8282\u62cd\u4e3a10\u79d2\u3002<\/div>\n<\/div>\n<div align=\"left\">\n<div><\/div>\n<div>\u5229\u7279\u5c14\u6cd5\u5219\u00a0 (Little\u2019s law)\uff1a<\/div>\n<div>\u8be5\u6cd5\u5219\u7531\u9ebb\u7701\u7406\u5de5\u5927\u5b66\u65af\u9686\u5546\u5b66\u9662\uff08MIT Sloan School of Management\uff09\u7684\u6559\u6388John Little\ufe50\u4e8e1961\u5e74\u6240\u63d0\u51fa\u4e0e\u8bc1\u660e\u3002\u5b83\u662f\u4e00\u4e2a\u6709\u5173\u63d0\u524d\u671f\u4e0e\u5728\u5236\u54c1\u5173\u7cfb\u7684\u7b80\u5355\u6570\u5b66\u516c\u5f0f\uff0c\u8fd9\u4e00\u6cd5\u5219\u4e3a\u7cbe\u76ca\u751f\u4ea7\u7684\u6539\u5584\u65b9\u5411\u6307\u660e\u4e86\u9053\u8def\u3002<\/div>\n<div><\/div>\n<div>\u5229\u7279\u5c14\u6cd5\u5219\u7684\u516c\u5f0f\u63cf\u8ff0\u4e3a\uff1aLead Time(\u4ea7\u51fa\u65f6\u95f4)=\u00a0\u5b58\u8d27\u6570\u91cf\u00d7\u751f\u4ea7\u8282\u62cd \u00a0 \u00a0 \u6216 \u00a0 \u00a0\u00a0TH(\u751f\u4ea7\u6548\u7387)= WIP(\u5b58\u8d27\u6570\u91cf)\/ CT(\u5468\u671f\u65f6\u95f4)<\/div>\n<div>P.S: \u7a0d\u540e\u6211\u4eec\u4f1a\u5217\u51fa\u8d1f\u8f7d\u6a21\u578b\u4e2d\u5229\u7279\u5c14\u6cd5\u5219\u7684\u5e94\u7528\u516c\u5f0f\u3002<\/div>\n<div><\/div>\n<div>\u6211\u4eec\u901a\u8fc72\u4e2a\u793a\u4f8b\u6765\u770b\u4e00\u4e0b\u6b64\u6cd5\u5219\u662f\u5982\u4f55\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u53d1\u751f\u4f5c\u7528\u7684\u3002<\/div>\n<div><\/div>\n<\/div>\n<div align=\"left\">\u4f8b1\uff1a\u5047\u5b9a\u6211\u4eec\u6240\u5f00\u53d1\u7684\u5e76\u53d1\u670d\u52a1\u5668\uff0c\u5e76\u53d1\u7684\u8bbf\u95ee\u901f\u7387\u662f\uff1a1000\u5ba2\u6237\/\u5206\u949f\uff0c\u6bcf\u4e2a\u5ba2\u6237\u5728\u8be5\u670d\u52a1\u5668\u4e0a\u5c06\u82b1\u8d39\u5e73\u57470.5\u5206\u949f\uff0c\u6839\u636elittle&#8217;s law\u89c4\u5219\uff0c\u5728\u4efb\u4f55\u65f6\u523b\uff0c\u670d\u52a1\u5668\u5c06\u627f\u62c51000\u00d70.5\uff1d500\u4e2a\u5ba2\u6237\u91cf\u7684\u4e1a\u52a1\u5904\u7406\u3002\u5047\u5b9a\u8fc7\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u7531\u4e8e\u5ba2\u6237\u7fa4\u7684\u589e\u5927\uff0c\u5e76\u53d1\u7684\u8bbf\u95ee\u901f\u7387\u63d0\u5347\u4e3a2000\u5ba2\u6237\/\u5206\u949f\u3002\u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u8be5\u5982\u4f55\u6539\u8fdb\u6211\u4eec\u7cfb\u7edf\u7684\u6027\u80fd\uff1f\u00a0\u6839\u636elittle&#8217;s law\u89c4\u5219\uff0c\u6709\u4e24\u79cd\u65b9\u6848\uff1a<\/div>\n<div align=\"left\">\n<div><\/div>\n<div>\u7b2c\u4e00\uff1a\u63d0\u9ad8\u670d\u52a1\u5668\u5e76\u53d1\u5904\u7406\u7684\u4e1a\u52a1\u91cf\uff0c\u5373\u63d0\u9ad8\u52302000\u00d70.5\uff1d1000\u3002\u00a0\u6216\u8005<\/div>\n<\/div>\n<div align=\"left\">\u7b2c\u4e8c\uff1a\u51cf\u5c11\u670d\u52a1\u5668\u5e73\u5747\u5904\u7406\u5ba2\u6237\u8bf7\u6c42\u7684\u65f6\u95f4\uff0c\u5373\u51cf\u5c11\u5230\uff1a2000\u00d70.25\uff1d500\u3002<\/div>\n<div align=\"left\">\n<div><\/div>\n<div>\u4f8b2\uff1a\u5047\u8bbe\u4f60\u6392\u961f\u53c2\u89c2\u67d0\u4e2a\u98ce\u666f\u70b9\uff0c\u8be5\u98ce\u666f\u70b9\u56fa\u5b9a\u7684\u5bb9\u7eb3\u4eba\u6570\u662f\uff1a60\u4eba\u3002\u6bcf\u4e2a\u4eba\u5728\u8be5\u98ce\u666f\u70b9\u505c\u7559\u7684\u5e73\u5747\u65f6\u95f4\u662f\uff1a3\u5206\u949f\u3002\u5047\u8bbe\u5728\u4f60\u7684\u524d\u9762\u8fd8\u6392\u670920\u4e2a\u4eba\uff0c\u95ee\uff1a\u4f60\u4f30\u8ba1\u4f60\u5927\u6982\u7b49\u591a\u5c11\u65f6\u95f4\u624d\u80fd\u8fdb\u5165\u8be5\u98ce\u666f\u70b9\u3002<\/div>\n<\/div>\n<div align=\"left\">\u7b54\u6848\uff1a1\u5c0f\u65f6\uff083\u00d720=60\uff09\uff0c\u548c\u8be5\u666f\u70b9\u56fa\u5b9a\u7684\u5bb9\u7eb3\u4eba\u6570\u65e0\u5173\u3002<\/div>\n<div align=\"left\">\n<div><\/div>\n<div>\u4e3a\u4e86\u901a\u8fc7\u5229\u7279\u5c14\u6cd5\u5219\u7814\u7a76\u8d1f\u8f7d\u6a21\u578b\uff0c\u6211\u4eec\u5c31\u5148\u8981\u4e86\u89e3\u4e24\u4e2a\u56e0\u5b50\uff1a\u54cd\u5e94\u65f6\u95f4\uff08Response time\uff09\u548c\u8282\u62cd\uff08Pacing\uff09\u3002\u5b9e\u9645\u4e0a\u8282\u62cd\u4f1a\u8d85\u8d8a\u54cd\u5e94\u65f6\u95f4\u5bf9TPS\u7684\u5f71\u54cd\u3002<\/div>\n<div><\/div>\n<\/div>\n<div align=\"left\">\n<div>\u793a\u4f8b1\uff1a\u8282\u62cd0\u79d2\uff0c\u601d\u8003\u65f6\u95f40\u79d2<\/div>\n<\/div>\n<div align=\"left\">\u7528\u6237\u6267\u884c5\u4e2a\u4e8b\u52a1\u5e76\u4e14\u6bcf\u4e2a\u4e8b\u52a1\u7684\u54cd\u5e94\u65f6\u95f4\u662f10\u79d2\uff0c\u9700\u8981\u82b1\u8d3950\u79d2\u5b8c\u62105\u4e2a\u4e8b\u52a1\uff0c\u53735\/50=0.1 TPS (\u8fd9\u91ccTPS\u662f\u7531\u54cd\u5e94\u65f6\u95f4\u63a7\u5236)\u3002<\/div>\n<div align=\"left\">\n<div><\/div>\n<div>\u793a\u4f8b2\uff1a\u901f\u738715\u79d2\uff0c\u601d\u8003\u65f6\u95f40\u79d2<\/div>\n<\/div>\n<div align=\"left\">\n<div>\u7528\u6237\u6267\u884c5\u4e2a\u4e8b\u52a1\u4e14\u6bcf\u4e2a\u4e8b\u52a1\u7684\u54cd\u5e94\u65f6\u95f4\u662f10\u79d2\uff0c\u4f46\u5b9e\u9645\u7531\u4e8e\u8282\u62cd\u5927\u4e8e\u54cd\u5e94\u65f6\u95f4\uff0c\u6240\u4ee5\u5b83\u4f18\u4e8e\u54cd\u5e94\u65f6\u95f4\u63a7\u5236\u4e86\u4e8b\u52a1\u53d1\u751f\u7684\u9891\u7387\u3002\u5b8c\u62105\u4e2a\u4e8b\u52a1\u9700\u89815*15 = 75\u79d2\uff0c\u4ea7\u751f5\/75=0.06667 TPS\u3002<\/div>\n<div><\/div>\n<div>\u5728\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u5c0f\u4e8e\u8282\u62cd15\u79d2\uff0c\u9700\u898175\u79d2\u5b8c\u62105\u4e2a\u8fed\u4ee3\uff0c\u4ea7\u751f\u4e860.06667 TPS\u3002<\/div>\n<div><\/div>\n<div>\u4e0a\u9762\u4e24\u4e2a\u4f8b\u5b50\u4e2d\u6211\u4eec\u5047\u8bbe\u601d\u8003\u65f6\u95f4\u4e3a0\u79d2\u3002\u5982\u679c\u601d\u8003\u65f6\u95f4\u4e3a2\u79d2\uff0c\u603b\u65f6\u95f4\u4ecd\u662f75\u79d2\u5b8c\u62105\u4e2a\u8fed\u4ee3\uff0c\u4ea7\u751f0.06667 TPS\u3002<\/div>\n<div><\/div>\n<div>\u8282\u62cd\u4e3a0\u79d2\uff0c\u5219 \u00a0 \u00a0\u00a0\u7528\u6237\u6570 = TPS * ( \u54cd\u5e94\u65f6\u95f4 + \u601d\u8003\u65f6\u95f4 )<\/div>\n<div>\u8282\u62cd\u4e0d\u4e3a0\u79d2\u4e14\u5927\u4e8e\u54cd\u5e94\u65f6\u95f4\u4e0e\u601d\u8003\u65f6\u95f4\u7684\u548c\uff0c\u5219 \u00a0 \u00a0\u00a0\u7528\u6237\u6570 = TPS * (\u901f\u7387)<\/div>\n<div><\/div>\n<div>\u4e8b\u5b9e\u4e0aTPS\u662f\u4e8b\u52a1\u5728w.r.t\u65f6\u95f4\u7684\u901f\u7387\uff0c\u6240\u4ee5\u4e5f\u88ab\u79f0\u4e3a\u541e\u5410\u91cf(throughput)\u3002<\/div>\n<div>\u6240\u4ee5\u5229\u7279\u5c14\u6cd5\u5219\u5728\u8d1f\u8f7d\u6a21\u578b\u4e2d\u89e3\u91ca\u4e3a\uff1a\u7cfb\u7edf\u5185\u5e73\u5747\u7528\u6237\u6570 = \u5e73\u5747\u54cd\u5e94\u65f6\u95f4 * \u541e\u5410\u91cf<\/div>\n<div>N = ( R + Z ) * X<\/div>\n<div>N, \u7528\u6237\u6570<\/div>\n<div>R, \u5e73\u5747\u54cd\u5e94\u65f6\u95f4(\u4e5f\u53ef\u80fd\u662f\u901f\u7387)<\/div>\n<div>Z, \u601d\u8003\u65f6\u95f4<\/div>\n<div>X, \u541e\u5410\u91cf(\u5982TPS)<\/div>\n<div><\/div>\n<div>\u5982\uff1aN (\u7528\u6237\u6570)=1500,\u00a0R (\u5e73\u5747\u54cd\u5e94\u65f6\u95f4)=10, Z (\u601d\u8003\u65f6\u95f4)=0\uff0c\u5219X (\u541e\u5410\u91cf)=1500\/10=150 TPS<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>TPS\u53ca\u8ba1\u7b97\u65b9\u6cd5 TPS (transa<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[24],"tags":[121],"class_list":["post-1400","post","type-post","status-publish","format-standard","hentry","category-value_docs","tag-05-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=1400"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1400\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}