1、簡要說明：
Apache Bench 是Apache的網站性能測試小程序，Windows平臺下的程序名簡稱ab.exe，要想獲得這個80k的可執行程序，用戶需要下載整個Apache Httpd軟件包！還需要將其安裝到電腦上，確實比較麻煩。
Webbench也是一款網站性能測試小程序，可以獲得網站的吞吐率、傳送速度等基本性能指標。該程序是在Linux下編程的，在Linux下編譯安裝使用都很方便，但在Windows 下的程序卻沒有。
爲了方便起見，我將ab.exe 小程序單獨拷貝出來，並且下載了webbench的源碼，使用CodeBlocks程序和Cygwin64，將源碼編譯了一下，生成Windows7 環境下可執行的文件webbench.exe ，方便在一個平臺下同時使用2個程序，進行網站性能測試。
2、下載地址：
Windows7 64位下的兩個網站性能測試小工具下載地址：
鏈接：https://pan.baidu.com/s/1hDhBlNc4ss_sp-qPYk_kEQ
提取碼：upas
3、運行截圖：
01-Windows7 64位下webbench測試結果
02-Apache Bench 性能測試小工具-運行參數
03-Apache Bench 性能測試小工具-測試結果1
04-Apache Bench 性能測試小工具-測試結果2
4、測試命令及結果分析
ab.exe -n 15000 -c 100 http://www.abc.com/
# -n 15000總共發送的1.5萬個訪問請求N個
# -c 100模擬100個用戶同時訪問C個；
# 結果分析：
# Concurrency Level: 模擬併發用戶數（命令行中輸入的數據）C個
# Time taken for tests: 完成整個測試的時間T秒
# Requests per second: 服務器性能（在當前併發下每秒能處理的請求數）=N/T個
# Time per request: (mean)從用戶的角度計算，每個請求平均花費時間=T/（N/C）
# 解釋：每個用戶發送N/C個請求，共花費T秒，每個請求平均花費時間=T/（N/C）
# Time per request:(mean, across all concurrent requests)從服務器角度計算，完成每個請求的平均花費時間=T/N
# Transfer rate: 傳送速率
webbench.exe -c 100 -t 5 http://www.abc.com/
# -c 100模擬100個用戶同時訪問；
# -t 5 持續5秒鐘測試時間
# 需要測試的網址 http://www.abc.com/ ，注意只測網站名時，結尾要加/
#
# Speed pages/min 每分鐘多少個請求， Speed pages/sec 每秒鐘多少個請求
# bytes/sec 傳送速率
# Requests: 總共完成的請求數
5、注意事項
！！！不要對公共網址發送大量訪問請求！！！可用於自己的網站上線前的性能測試。
6、使用幫助
C:\>ab --help
ab: wrong number of arguments
Usage: ab [options] [http://]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
-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'
Inserted after all normal header lines. (repeatable)
-A attribute Add Basic WWW Authentication, the attributes
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.
-m method Method name
-h Display usage information (this message)
C:\>webbench --help
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.