90%的响应时间理解 官方解释:90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. 有10个数: 1.2.3.4.5.6.7.8.9.10 按由大到小将其排列. 求它的第90%百分位,也就是第9个数刚好是9 ,那么他的90%Line 就是9 一组数由小到大进行排列,找到他的第90%个数(假如是12),那么这个数组中有90%的数将小于等于…
JMeter 官网原文: 90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. Google翻译:“ 90% 的样品没有超过这个时间,剩余的样品至少只要这个.” 点击详细解释: 90% Line (90 th Percentile) is the value below which 90% of the samples fall. The…
看看JMeter 官网是怎么说的? 90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. “ 90% 的样品没有超过这个时间,剩余的样品至少只要这个.”(拿google翻译的) 没太理解是什么意思,于是,点击详细解释. 90% Line (90 th Percentile) is the value below which 90% of…
转载自 http://www.cnblogs.com/yangxia-test 90% Line 参数正确的含义: 虽然,我的上面理解有一定的道理,显然它是错误的.那看看JMeter 官网是怎么说的? 90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. “ 90% 的样品没有超过这个时间,剩余的样品至少只要这个.”(拿google翻译的…
90% Line 参数正确的含义: 虽然,我的上面理解有一定的道理,显然它是错误的.那看看JMeter 官网是怎么说的? 90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. “ 90% 的样品没有超过这个时间,剩余的样品至少只要这个.”(拿google翻译的) 没太理解是什么意思,于是,点击详细解释. 90% Line (90 th P…
90% Line 参数正确的含义: 虽然,我的上面理解有一定的道理,显然它(90% 用户的响应时间)是错误的.那看看JMeter 官网是怎么说的? 90% Line - 90% of the samples took no more than this time. The remaining samples at least as long as this. “ 90% 的样品没有超过这个时间,剩余的样品至少只要这个.”(拿google翻译的) 没太理解是什么意思,于是,点击详细解释. 90%…
nginx服务器日志相关指令主要有两条:一条是log_format,用来设置日志格式:另外一条是access_log,用来指定日志文件的存放路径.格式和缓存大小,可以参加ngx_http_log_module.一般在nginx的配置文件中日记配置(/usr/local/nginx/conf/nginx.conf). log_format指令用来设置日志的记录格式,它的语法如下: log_format name format {format ...} 其中name表示定义的格式名称,format表…
SVD在餐馆菜肴推荐系统中的应用 摘要:餐馆可以分为很多类别,比如中式.美式.日式等等.但是这些类别不一定够用,有的人喜欢混合类别.对用户对菜肴的点评数据进行分析,可以提取出区分菜品的真正因素,利用这些因素我们可以估计人们对没去过的餐厅的看法.提取这些信息的方法就是SVD(Singular Value Decomposition).本文首先介绍SVD的数学原理,然后简单介绍推荐系统的相关原理,最后通过python编程实现简单的基于协同过滤的菜肴推荐系统. 关键词:SVD:推荐系统:python:…
