关于java:MAC-安装-apache-ab-压力测试工具以及遇到的坑

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ab 是 apache 对 http 服务器进行压力测试的工具，它能够测试出服务器每秒能够解决多少申请。本文记录 mac 版本 装置 ab 的步骤以及遇到的坑。

进入 apache ab 官网下载页面。

因为笔者的操作系统是 mac 零碎，所以须要先装置 brew。进入 brew 网站。执行下方命令
```
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
```
执行命令后报错:
Failed to connect to raw.githubusercontent.com port 443: Connection refused
解决方案:
关上 https://www.ipaddress.com/ 查问 raw.githubusercontent.com 对应的 ip 地址。

增加 ip 到 /etc/hosts, 增加以下配置:

185.199.108.133 raw.githubusercontent.com
185.199.109.133 raw.githubusercontent.com
185.199.110.133 raw.githubusercontent.com
185.199.111.133 raw.githubusercontent.com

再执行

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

执行胜利后，应用 brew 装置 apr、apr-util 和 prce

brew install apr
brew install apr-util
brew inatll prce

解压下载后压缩包，进入 httpd-2.4.51 目录。
执行以下命令：

./configure
make
make install

执行 ./configure 命令时报错:

jeremy@jeremydeMacBook-Pro httpd-2.4.51 % ./configure
checking for chosen layout... Apache
checking for working mkdir -p... yes
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking build system type... x86_64-apple-darwin20.2.0
checking host system type... x86_64-apple-darwin20.2.0
checking target system type... x86_64-apple-darwin20.2.0
configure:
configure: Configuring Apache Portable Runtime library...
configure:
checking for APR... no
configure: error: APR not found.  Please read the documentation.

APR not found 没找到
./configure 改成

 ./configure --with-apr=/usr/local/opt/apr --with-apr-util=/usr/local/opt/apr-util --with-pcre=/usr/local/Cellar/pcre/8.45

其中 pcre 的门路可能不同，须要在 /usr/local/Cellar/pcre 外面确定门路。

上述命令执行胜利后，如果没有报错，表明装置胜利，执行 ab

ab: wrong number of arguments
Usage: ab [options] [http[s]://]hostname[:port]/path
Options are:
    -n requests     Number of requests to perform
    -c concurrency  Number of multiple requests to make at a time
    -t timelimit    Seconds to max. to spend on benchmarking
                    This implies -n 50000
    -s timeout      Seconds to max. wait for each response
                    Default is 30 seconds
    -b windowsize   Size of TCP send/receive buffer, in bytes
    -B address      Address to bind to when making outgoing connections
    -p postfile     File containing data to POST. Remember also to set -T
    -u putfile      File containing data to PUT. Remember also to set -T
    -T content-type Content-type header to use for POST/PUT data, eg.
                    'application/x-www-form-urlencoded'
                    Default is 'text/plain'
    -v verbosity    How much troubleshooting info to print
    -w              Print out results in HTML tables
    -i              Use HEAD instead of GET

呈现以上界面，阐明 ab 曾经装置胜利。