压力测试工具ab && webbench

$ sudo apt-get install apache2-utils

$ ab -h
Usage: ab [options] [http[s]://]hostname[:port]/path
Options are:
    -n requests     Number of requests to perform # 请求次数
    -c concurrency  Number of multiple requests to make at a time # 并发数
    -t timelimit    Seconds to max. to spend on benchmarking # 压力测试的最大时间
                    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  # POST方式，同时必须使用-T指定“Content-Type”
    -u putfile      File containing data to PUT. Remember also to set -T   # PUT方式
    -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 # 以html表格形式输出结果
    -i              Use HEAD instead of GET # 使用Head请求
    -x attributes   String to insert as table attributes
    -y attributes   String to insert as tr attributes
    -z attributes   String to insert as td or th attributes
    -C attribute    Add cookie, eg. 'Apache=1234'. (repeatable)
    -H attribute    Add Arbitrary header line, eg. 'Accept-Encoding: gzip'  # 添加HTTP头信息
                    Inserted after all normal header lines. (repeatable)
    -A attribute    Add Basic WWW Authentication, the attributes   # 添加认证信息
                    are a colon separated username and password.
    -P attribute    Add Basic Proxy Authentication, the attributes
                    are a colon separated username and password.
    -X proxy:port   Proxyserver and port number to use
    -V              Print version number and exit
    -k              Use HTTP KeepAlive feature
    -d              Do not show percentiles served table.
    -S              Do not show confidence estimators and warnings.
    -q              Do not show progress when doing more than 150 requests
    -l              Accept variable document length (use this for dynamic pages)
    -g filename     Output collected data to gnuplot format file.
    -e filename     Output CSV file with percentages served
    -r              Don't exit on socket receive errors.   # 在接收到socket错误时不退出
    -h              Display usage information (this message)
    -Z ciphersuite  Specify SSL/TLS cipher suite (See openssl ciphers)
    -f protocol     Specify SSL/TLS protocol
                    (SSL3, TLS1, TLS1.1, TLS1.2 or ALL)

# GET

# 30秒内并行1000个客户端，请求默认的50000次请求
$ ab -c 1000 -t  30 http://www.baidu.com/
# 并发100个客户端，请求10000次
$ ab -c 100 -n 10000 http://www.baidu.com/

# POST

$ cat data.json
{"apps": [{"package_name": "com.baidu.browser.apps", "app_name":"百度浏览器", "version_code": 1, "version_name": "5.3.4.1"}], "pm_name":"TCL M2M"}

# post json 数据
$ ab -c 1000 -t 30 -p data.json -T "application/json" -r "127.0.0.1:8888/m3/apps/update"

$ wget http://home.tiscali.cz/~cz210552/distfiles/webbench-1.5.tar.gz

$ make && sudo make install

$ webbench
webbench [option]... URL
-f|--force               Don't wait for reply from server.
-r|--reload              Send reload request - Pragma: no-cache.
-t|--time <sec>          Run benchmark for <sec> seconds. Default 30.
-p|--proxy <server:port> Use proxy server for request.
-c|--clients <n>         Run <n> HTTP clients at once. Default one.
-9|--http09              Use HTTP/0.9 style requests.
-1|--http10              Use HTTP/1.0 protocol.
-2|--http11              Use HTTP/1.1 protocol.
--get                    Use GET request method.
--head                   Use HEAD request method.
--options                Use OPTIONS request method.
--trace                  Use TRACE request method.
-?|-h|--help             This information.
-V|--version             Display program version.