[root@localhost bin]# ./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
-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
-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.
-h Display usage information (this message)
-Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
-f protocol Specify SSL/TLS protocol
(SSL2, SSL3, TLS1, TLS1.1, TLS1.2 or ALL)
我用xshell开了2个窗口(一个用ab,一个用node dome.js)
另一个执行下面命令
[root@localhost bin]# ./ab -n 1000 -c 10 http://192.168.100.50:2017/
This is ApacheBench, Version 2.3 <$Revision: 1430300 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking 192.168.100.50 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software:
Server Hostname: 192.168.100.50
Server Port: 2017
Document Path: /
Document Length: 12 bytes
Concurrency Level: 10
Time taken for tests: 0.399 seconds
Complete requests: 1000
Failed requests: 0
Write errors: 0
Total transferred: 113000 bytes
HTML transferred: 12000 bytes
Requests per second: 2508.74 [#/sec] (mean)
Time per request: 3.986 [ms] (mean)
Time per request: 0.399 [ms] (mean, across all concurrent requests)
Transfer rate: 276.84 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.3 0 7
Processing: 0 4 4.5 2 38
Waiting: 0 4 4.5 2 38
Total: 1 4 4.5 2 38
Percentage of the requests served within a certain time (ms)
50% 2
66% 3
75% 4
80% 5
90% 7
95% 11
98% 19
99% 35
100% 38 (longest request)
[root@localhost bin]#