HTTP benchmark tool : wrk

about wrk

https://github.com/wg/wrk

[ install wrk ]

install wrk on ubuntu 13.04 64bit.

# git clone https://github.com/wg/wrk.git # cd wrk/ # make # ls LICENSE  Makefile  NOTICE  README  deps  obj  scripts  src  wrk # ./wrk -v wrk 3.0.1 [epoll] Copyright (C) 2012 Will Glozer Usage: wrk <options> <url>  Options:    -c, --connections <N>  Connections to keep open    -d, --duration    <T>  Duration of test    -t, --threads     <N>  Number of threads to use    -s, --script      <S>  Load Lua script file    -H, --header      <H>  Add header to request        --latency          Print latency statistics        --timeout     <T>  Socket/request timeout    -v, --version          Print version details  Numeric arguments may include a SI unit (1k, 1M, 1G)  Time arguments may include a time unit (2s, 2m, 2h)

run wrk

# of connections keeping open: 10

test duration: 30 seconds

# of thread: 4

# ./wrk -d30s -c10 -t4 http://192.168.0.80 Running 30s test @ http://192.168.0.80  4 threads and 10 connections  Thread Stats   Avg      Stdev     Max   +/- Stdev  <- per thread    Latency     1.23ms    1.80ms  58.15ms   96.47%    Req/Sec     1.86k   443.89     5.00k    75.81%  211740 requests in 30.00s, 52.55MB read   Requests/sec:   7058.05  <- 4 threads Transfer/sec:      1.75MB <- 4 threads

you can send HTTPS traffic as well.

# ./wrk --latency --timeout 1 -d30s -c10 -t4 https://192.168.0.80 Running 30s test @ https://192.168.0.80  4 threads and 10 connections  Thread Stats   Avg      Stdev     Max   +/- Stdev    Latency     1.17ms    1.42ms  32.74ms   95.72%    Req/Sec     1.91k   420.08     4.44k    79.26%  Latency Distribution     50%    1.05ms     75%    1.34ms     90%    1.85ms     99%    5.50ms  217359 requests in 30.00s, 53.94MB read Requests/sec:   7245.44 Transfer/sec:      1.80MB

seems to use HTTP keep alive

# tshark -r a.pcap -R '(tcp.port==54834)' | head -20  8 0.000839000 192.168.0.1 -> 192.168.0.80 TCP 74 54834 > http [SYN] Seq=0 Win=14600 Len=0 MSS=1460 SACK_PERM=1 TSval=200331780 TSecr=0 WS=128 10 0.000918000 192.168.0.80 -> 192.168.0.1 TCP 74 http > 54834 [SYN, ACK] Seq=0 Ack=1 Win=14480 Len=0 MSS=1460 SACK_PERM=1 TSval=43878150 TSecr=200331780 WS=16 11 0.000942000 192.168.0.1 -> 192.168.0.80 TCP 66 54834 > http [ACK] Seq=1 Ack=1 Win=14720 Len=0 TSval=200331780 TSecr=43878150 13 0.000968000 192.168.0.1 -> 192.168.0.80 HTTP 106 GET / HTTP/1.1 18 0.001105000 192.168.0.80 -> 192.168.0.1 TCP 66 http > 54834 [ACK] Seq=1 Ack=41 Win=14480 Len=0 TSval=43878150 TSecr=200331780 96 0.003553000 192.168.0.80 -> 192.168.0.1 HTTP 326 HTTP/1.1 200 OK  (text/html) 97 0.003568000 192.168.0.1 -> 192.168.0.80 TCP 66 54834 > http [ACK] Seq=41 Ack=261 Win=15744 Len=0 TSval=200331780 TSecr=43878151 98 0.003623000 192.168.0.1 -> 192.168.0.80 HTTP 106 GET / HTTP/1.1 185 0.008143000 192.168.0.80 -> 192.168.0.1 HTTP 326 HTTP/1.1 200 OK  (text/html) 186 0.008204000 192.168.0.1 -> 192.168.0.80 HTTP 106 GET / HTTP/1.1 213 0.009744000 192.168.0.80 -> 192.168.0.1 HTTP 326 HTTP/1.1 200 OK  (text/html) 214 0.009795000 192.168.0.1 -> 192.168.0.80 HTTP 106 GET / HTTP/1.1 244 0.011393000 192.168.0.80 -> 192.168.0.1 HTTP 326 HTTP/1.1 200 OK  (text/html) 245 0.011440000 192.168.0.1 -> 192.168.0.80 HTTP 106 GET / HTTP/1.1 277 0.013251000 192.168.0.80 -> 192.168.0.1 HTTP 326 HTTP/1.1 200 OK  (text/html)