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< ul >
< li > < p > 响应时间（ ） ， ， < / p >
< / li >
< li > < p > HPS（ ） / 秒。< / p >
< / li >
< li > < p > TPS（ ） ： ， / 秒。< / p >
< / li >
< li > < p > QPS（ ） ： ， / 秒。对于互联网业务中，如果某些业务有且仅有一个请求连接，那么 TPS= QPS= HPS， < / p >
< / li >
< li > < p > 无论 TPS、QPS、HPS,此指标是衡量系统处理能力非常重要的指标，越大越好，根据经验，一般情况下：< / p >
< p > 金融行业： ， < / p >
< p > 保险行业： ， < / p >
< p > 制造行业： < / p >
< p > 互联网电子商务： < / p >
< p > 互联网中型网站： < / p >
< p > 互联网小型网站： < / p >
< / li >
< li > < p > 最大响应时间（ ） < / p >
< / li >
< li > < p > 最少响应时间（ ） < / p >
< / li >
< li > < p > 90%响应时间（ ） < / p >
< / li >
< li > < p > 从外部看，性能测试主要关注如下三个指标< / p >
< p > 吞吐量：每秒钟系统能够处理的请求数、任务数。< / p >
< p > 响应时间：服务处理一个请求或一个任务的耗时。< / p >
< p > 错误率：一批请求中结果出错的请求所占比例。< / p >
< / li >
< / ul >
< h3 id = "1-JMeter的使用" > < a href = "#1-JMeter的使用" class = "headerlink" title = "1.JMeter的使用" > < / a > 1.JMeter的使用< / h3 > < h4 id = "1-1-安装" > < a href = "#1-1-安装" class = "headerlink" title = "1.1 安装" > < / a > 1.1 安装< / h4 > < p > < strong > 1.下载安装包< / strong > < / p >
< p > 安装网址: < a target = "_blank" rel = "noopener" href = "https://jmeter.apache.org/download_jmeter.cgi" > https://jmeter.apache.org/download_jmeter.cgi< / a > < / p >
< p > < img src = "/pictures/image-20230709161151542.png" alt = "image-20230709161151542" > < / p >
< p > < strong > 2.解压并双击运行< / strong > < / p >
< p > < img src = "/pictures/image-20230709161346717.png" alt = "image-20230709161346717" > < / p >
< p > < img src = "/pictures/image-20230709161600398.png" alt = "image-20230709161600398" > < / p >
< h4 id = "1-2-设置" > < a href = "#1-2-设置" class = "headerlink" title = "1.2 设置" > < / a > 1.2 设置< / h4 > < p > 设置为中文页面< / p >
< p > 点击Options-> Language-> 选择简体中文< / p >
< p > < img src = "/pictures/image-20230709161752103.png" alt = "image-20230709161752103" > < / p >
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< p > 永久设置成中文-> 在< code > bin\jmeter.properties< / code > 配置文件中添加如下配置< / p >
< p > < img src = "/pictures/image-20240105214825445.png" alt = "image-20240105214825445" > < / p >
< p > jmeter发送请求响应的数据乱码的问题-> 在< code > bin\jmeter.properties< / code > 配置文件中添加如下配置< / p >
< p > < img src = "/pictures/image-20240105215115275.png" alt = "image-20240105215115275" > < / p >
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< h4 id = "1-3-压测示例" > < a href = "#1-3-压测示例" class = "headerlink" title = "1.3 压测示例" > < / a > 1.3 压测示例< / h4 > < p > < strong > 1.新建线程组< / strong > < / p >
< p > 右键点击测试计划-> 添加-> 线程-> 线程组< / p >
< p > < img src = "/pictures/image-20230709162502383.png" alt = "image-20230709162502383" > < / p >
< p > 线程组参数详解：< / p >
< ul >
< li > < p > 线程数：虚拟用户数。一个虚拟用户占用一个进程或线程。设置多少虚拟用户数在这里也就是设置多少个线程数。< / p >
< / li >
< li > < p > 线程数：虚拟用户数。一个虚拟用户占用一个进程或线程。设置多少虚拟用户数在这里也就是设置多少个线程数。< / p >
< / li >
< li > < p > Ramp-Up Period(in seconds)准备时长：设置的虚拟用户数需要多长时间全部启动。如果线程数为 10， ， ， < / p >
< / li >
< li > < p > 循环次数：每个线程发送请求的次数。如果线程数为 10， ， = 1000 。如勾选了“永远”，那么所有线程会一直发送请求，一到选择停止运行脚本。< / p >
< / li >
< li > < p > Delay Thread creation until needed： < / p >
< / li >
< li > < p > 调度器：设置线程组启动的开始时间和结束时间(配置调度器时，需要勾选循环次数为永远)< / p >
< / li >
< li > < p > 持续时间（秒）：测试持续时间，会覆盖结束时间< / p >
< / li >
< li > < p > 启动延迟（秒）：测试延迟启动时间，会覆盖启动时间< / p >
< / li >
< li > < p > 启动时间：测试启动时间，启动延迟会覆盖它。当启动时间已过，手动只需测试时当前时间也会覆盖它。< / p >
< / li >
< li > < p > 结束时间：测试结束时间，持续时间会覆盖它。< / p >
< / li >
< / ul >
< p > < strong > 2.添加HTTP请求< / strong > < / p >
< p > < img src = "/pictures/image-20230709163303477.png" alt = "image-20230709163303477" > < / p >
< p > < img src = "/pictures/image-20230709163457833.png" alt = "image-20230709163457833" > < / p >
< p > < strong > 3.添加监听器< / strong > < / p >
< p > < img src = "/pictures/image-20230709163639856.png" alt = "image-20230709163639856" > < / p >
< p > < strong > 4.启动压测和查看分析结果< / strong > < / p >
< p > < img src = "/pictures/image-20230709164012746.png" alt = "image-20230709164012746" > < / p >
< p > < img src = "/pictures/image-20230709164208747.png" alt = "image-20230709164208747" > < / p >
< h4 id = "1-4-JMeter-Address-Already-in-use-错误解决" > < a href = "#1-4-JMeter-Address-Already-in-use-错误解决" class = "headerlink" title = "1.4 JMeter Address Already in use 错误解决" > < / a > 1.4 JMeter Address Already in use 错误解决< / h4 > < p > windows 本身提供的端口访问机制的问题。< br > Windows 提供给 TCP/ IP 链接的端口为 1024-5000， < br > 我们在短时间内跑大量的请求时将端口占满了。< br > 1.cmd 中，用 regedit 命令打开注册表< / p >
< p > 2.在 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters 下，< br > 右击 parameters， ， ， ， ， （ ， ） < / p >
< p > 3.修改配置完毕之后记得重启机器才会生效< br > 官网解释:< a target = "_blank" rel = "noopener" href = "https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t" > https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t< / a > < br > TCPTimedWaitDelay： < / p >
< h2 id = "二-性能监控" > < a href = "#二-性能监控" class = "headerlink" title = "二.性能监控" > < / a > 二.性能监控< / h2 > < p > Jdk 的两个小工具 jconsole、jvisualvm（ ） < / p >
< h3 id = "1-jconsole" > < a href = "#1-jconsole" class = "headerlink" title = "1.jconsole" > < / a > 1.jconsole< / h3 > < p > < img src = "/pictures/image-20230709160343565.png" alt = "image-20230709160343565" > < / p >
< h3 id = "2-jvisualvm" > < a href = "#2-jvisualvm" class = "headerlink" title = "2.jvisualvm" > < / a > < strong > 2.jvisualvm< / strong > < / h3 > < p > < strong > jvisualvm相比jconsole功能更全， < / strong > < / p >
< p > < img src = "/pictures/image-20230709160552461.png" alt = "image-20230709160552461" > < / p >
< p > < strong > Visual GC插件的安装< / strong > < / p >
< p > 点击工具-> 插件-> 在可用插件中选择Visual GC安装< / p >
< p > 安装成功之后显示如下< / p >
< p > < img src = "/pictures/image-20230709160932416.png" alt = "image-20230709160932416" > < / p >
< p > < img src = "/pictures/image-20230709170626946.png" alt = "image-20230709170626946" > < / p >
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< / article > < div class = "tag_share" > < div class = "post-meta__tag-list" > < a class = "post-meta__tags" href = "/tags/%E6%B5%8B%E8%AF%95/" > 测试< / a > < / div > < div class = "post_share" > < div class = "social-share" data-image = "/img/7.png" data-sites = "wechat,weibo,qq" > < / div > < link rel = "stylesheet" href = "/cdn/css/share.min.css" media = "print" onload = "this.media='all'" > < script src = "/cdn/js/social-share.min.js" defer > < / script > < / div > < / div > < div class = "post-reward" > < div class = "reward-button" > < i class = "fas fa-qrcode" > < / i > 打赏< / div > < div class = "reward-main" > < ul class = "reward-all" > < li class = "reward-item" > < a href = "/img/wechat.jpg" target = "_blank" > < img class = "post-qr-code-img" src = "/img/wechat.jpg" alt = "微信" / > < / a > < div class = "post-qr-code-desc" > 微信< / div > < / li > < li class = "reward-item" > < a href = "/img/alipay.jpg" target = "_blank" > < img class = "post-qr-code-img" src = "/img/alipay.jpg" alt = "支付宝" / > < / a > < div class = "post-qr-code-desc" > 支付宝< / div > < / li > < / ul > < / div > < / div > < br / > < div id = "post-comment" > < div class = "comment-head" > < div class = "comment-headline" > < i class = "far fa-comment-alt fa-fw" > < / i > < span > 评论< / span > < / div > < / div > < div class = "comment-wrap" > < div > < div id = "gitalk-container" > < / div > < / div > < / div > < / div > < / div > < div class = "aside-content" id = "aside-content" > < div class = "card-widget card-info" > < div class = "is-center" > < div class = "avatar-img" > < img src = "/img/avatar.jpg" onerror = "this.onerror=null;this.src='/img/loading.gif'" alt = "avatar" / > < / div > < div class = "author-info__name" > Jason< / div > < div class = "author-info__description" > Debug the World！ < / div > < / div > < div class = "card-info-data site-data is-center" > < a href = "/archives/" > < div class = "headline" > 文章< / div > < div class = "length-num" > 60< / div > < / a > < a href = "/tags/" > < div class = "headline" > 标签< / div > < div class = "length-num" > 39< / div > < / a > < a href = "/categories/" > < div class = "headline" > 分类< / div > < div class = "length-num" > 10< / div > < / a > < / div > < a id = "card-info-btn" > < i class = "fab fa-microsoft" > < / i > < span > Ctrl + D 收藏< / span > < / a > < div class = "card-info-social-icons is-center" > < a class = "social-icon" href = "https://github.com/JasonsGong" target = "_blank" title = "Github" > < i class = "fab fa-github" > < / i > < / a > < a class = "social-icon" href = "tencent://AddContact/?fromId=45&fromSubId=1&subcmd=all&uin=2602183349&website=www.oicqzone.com" target = "_blank" title = "QQ" > < i class = "fab fa-qq" > < / i > < / a > < a class = "social-icon" href = "mailto:2602183349@qq.com" target = "_blank" title = "Email" > < i class = "fas fa-envelope-open-text" > < / i > < / a > < a class = "social-icon" href = "https://github.com/JasonsGong?tab=repositories" target = "_blank" title = "代码仓库" > < i class = "fas fa-database" > < / i > < / a > < / div > < / div > < div class = "card-widget card-announcement" > < div class = "item-headline" > < i class = "fas fa-bullhorn fa-shake" > < / i > < span > 公告< / span > < / div > < div class = "announcement_content" > 本网站是静态网站,更新页面资源请使用Ctrl+F5;若网站内文章对你有帮助,请使用Ctrl+D收藏该网站！ < / div > < / div > < div class = "sticky_layout" > < div class = "card-widget" id = "card-toc" > < div class = "item-headline" > < i class = "fas fa-stream" > < / i > < span > 目录< / span > < span class = "toc-percentage" > < / span > < / div > < div class = "toc-content is-expand" > < ol class = "toc" > < li class = "toc-item toc-level-2" > < a class = "toc-link" href = "#%E4%B8%80-%E5%8E%8B%E5%8A%9B%E6%B5%8B%E8%AF%95" > < span class = "toc-text" > 一.压力测试< / span > < / a > < ol class = "toc-child" > < li class = "toc-item toc-level-3" > < a class = "toc-link" href = "#1-JMeter%E7%9A%84%E4%BD%BF%E7%94%A8" > < span class = "toc-text" > 1.JMeter的使用< / span > < / a > < ol class = "toc-child" > < li class = "toc-item toc-level-4" > < a class = "toc-link" href = "#1-1-%E5%AE%89%E8%A3%85" > < span class = "toc-text" > 1.1 安装< / span > < / a > < / li > < li class = "toc-item toc-level-4" > < a class = "toc-link" href = "#1-2-%E8%AE%BE%E7%BD%AE" > < span class = "toc-text" > 1.2 设置< / span > < / a > < / li > < li class = "toc-item toc-level-4" > < a class = "toc-link" href = "#1-3-%E5%8E%8B%E6%B5%8B%E7%A4%BA%E4%BE%8B" > < span class = "toc-text" > 1.3 压测示例< / span > < / a > < / li > < li class = "toc-item toc-level-4" > < a class = "toc-link" href = "#1-4-JMeter-Address-Already-in-use-%E9%94%99%E8%AF%AF%E8%A7%A3%E5%86%B3" > < span class = "toc-text" > 1.4 JMeter Address Alread
2024-01-13 16:32:52 +08:00
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