GO性能测试:未进行任何优化

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srs.go中对于GO的tcp模块,以及web服务器martini做了初步的性能测试,没有做任何优化。

TCP部分

TCP部分参考:https://github.com/winlinvip/srs.go/tree/master/research/tcp

GO作为服务器

GO作为服务器go build ./tcp.server.go && ./tcp.server 1 1990 4096 >/dev/nullg++ tcp.client.cpp -g -O0 -o tcp.client && ./tcp.client 1990 4096 >/dev/null ----total-cpu-usage---- -dsk/total- ---net/lo-- ---paging-- ---system--usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw   7  17  51   0   0  25|   0     0 | 680M  680M|   0     0 |2207    48k  7  15  52   0   0  26|   0     0 | 680M  680M|   0     0 |2228    48k    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND               PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                        5415 winlin    20   0  169m 2220 1404 R 100.4  0.1   0:27.56 ./tcp.server 1990 4096                                                                                         5424 winlin    20   0 11648  900  764 R 85.1  0.0   0:23.47 ./tcp.client 1990 4096   

C++作为服务器

C++作为服务器g++ tcp.server.cpp -g -O0 -o tcp.server && ./tcp.server 1990 4096 >/dev/null g++ tcp.client.cpp -g -O0 -o tcp.client && ./tcp.client 1990 4096 >/dev/null ----total-cpu-usage---- -dsk/total- ---net/lo-- ---paging-- ---system--usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw   6  25  44   0   0  24|   0   224k|2142M 2142M|   0     0 |2439    15k  5  23  48   0   0  23|   0     0 |2028M 2028M|   0     0 |2803    10k    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                        9758 winlin    20   0 11648  900  764 R 98.3  0.0   0:11.36 ./tcp.client 1990 4096                                                                                          9751 winlin    20   0 11648  884  752 R 71.4  0.0   0:07.85 ./tcp.server 1990 4096 

Python作为服务器

Python作为服务器python tcp.server.py 1990 4096 >/dev/nullg++ tcp.client.cpp -g -O0 -o tcp.client && ./tcp.client 1990 4096 >/dev/null ----total-cpu-usage---- -dsk/total- ---net/lo-- ---paging-- ---system--usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw  11  17  44   3   0  26|   0   156k|1526M 1526M|   0     0 |2215    28k 11  16  47   0   0  25|   0     0 |1482M 1482M|   0     0 |2189    26k  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                        5140 winlin    20   0  157m 5932 2824 R 100.0  0.3   2:36.01 python tcp.server.py 1990 4096                                                                                 5331 winlin    20   0 11648  900  764 R 87.3  0.0   1:02.47 ./tcp.client 1990 4096        

GO直接TCP发包时,性能比c++直接发包差。python直接发tcp包表现良好。

Web部分

Web部分参考:https://github.com/winlinvip/srs.go/tree/master/research/web

1个并发测试

用ab测试了下,1并发请求时:ab -n 100000 -c 1 http://127.0.0.1:8080/api/v3/jsonopenresty:   8851.97rps, 84%,  3MB,AB66%cherrypy:     653.12rps,   98%,17MB,AB7%go-martini:  4574.10rps,  88%,  4MB,AB35%

10个并发测试

ab -n 100000 -c 10 http://127.0.0.1:8080/api/v3/jsonopenresty:16550.72rpscherrypy: 531.28rpsgo-martini: 15737.50rps

50个并发测试

50个并发要开启多个ab测试了,否则客户端成为瓶颈:for((i=0;i<5;i++)); do (ab -n 100000 -c 10 http://127.0.0.1:8080/api/v3/json >req100-$i.go.txt &); doneopenresty:18514rpsgo-martini: 30954rps

100个并发测试

起5进程,每个并发20个请求:for((i=0;i<5;i++)); do (ab -n 100000 -c 20 http://127.0.0.1:8080/api/v3/json >req100-$i.go.txt &); doneopenresty:29063rpsGO:43288rps

在高访问量时,go的表现比python好很多,比openresty也要好。

go的效率和c++相比是差一些,考虑到部署和多cpu的情况可能要好,服务器代码也不用写得那么难。

go目前来看达到了高效率的python的目标。在后端里面应该是可以考虑的,特别是一些api。

Web+Mysql部分

Web后端访问mysql数据库部分,参考:https://github.com/winlinvip/srs.go/tree/master/research/web.mysql

具体脚本参考https://github.com/winlinvip/srs.go/tree/master/research/web.mysql/ab-benchmark目录的脚本

1000条记录,select前10条,并发请求1

1000条记录,select前10条,并发请求1:openresty:1750.54rpsgo-martini: 910.32rpscherrypy: 303.29rps

1000条记录,select前10条,并发请求10

1000条记录,select前10条,并发请求10:openresty:7911.45rpsgo-martini: 6483.20rpscherrypy: 254.13rps

1000条记录,select前10条,并发请求20,5进程

1000条记录,select前10条,并发请求20,5进程:openresty:12526rpsgo-martini: 8724rps


10万条记录,select前10条,并发请求1

10万条记录,select前10条,并发请求1openresty:1741.09rpsgo-martini: 912.17rpscherrypy: 304.23rps

10万条记录,select前10条,并发请求10

10万条记录,select前10条,并发请求10openresty: 6890.48rpsgo-margini: 6510.01rpscherrypy: 251.29rps

10万条记录,select前10条,并发请求20,5进程

10万条记录,select前10条,并发请求20,5进程openresty: 12208rps go-martini: 8728rps

100万条记录,select前10条,并发请求1

100万条记录,select前10条,并发请求1openresty: 1730.30rpsgo-martini: 911.85rpscherrypy: 304.16rps

100万条记录,select前10条,并发请求10

100万条记录,select前10条,并发请求10openresty: 6727.13rpsgo-martini: 6633.57rpscherrypy: 254.27rps

100万条记录,select前10条,并发请求20,5进程

100万条记录,select前10条,并发请求20,5进程openresty: 12386rpsgo-martini: 7004rps

可见带上数据库后,openresty的性能基本上是go的两倍,但是都比cherrypy高很多。

依赖包

Openresty的依赖包一大堆,部署不方便:

[winlin@dev6 web]$ ldd objs/_release/nginx/sbin/nginxlinux-vdso.so.1 =>  (0x00007fff6efcf000)libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003218400000)libcrypt.so.1 => /lib64/libcrypt.so.1 (0x0000003221c00000)libm.so.6 => /lib64/libm.so.6 (0x0000003217c00000)libpcre.so.0 => /lib64/libpcre.so.0 (0x000000314ca00000)libssl.so.10 => /usr/lib64/libssl.so.10 (0x0000003ef7600000)libcrypto.so.10 => /usr/lib64/libcrypto.so.10 (0x0000003ef7200000)libdl.so.2 => /lib64/libdl.so.2 (0x0000003218000000)libz.so.1 => /lib64/libz.so.1 (0x00000032ed000000)libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x000000328f200000)libc.so.6 => /lib64/libc.so.6 (0x0000003217800000)/lib64/ld-linux-x86-64.so.2 (0x0000003217000000)libfreebl3.so => /lib64/libfreebl3.so (0x0000003221800000)libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x0000003223c00000)libkrb5.so.3 => /lib64/libkrb5.so.3 (0x0000003224c00000)libcom_err.so.2 => /lib64/libcom_err.so.2 (0x0000003222000000)libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x0000003222800000)libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x0000003224800000)libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x0000003222c00000)libresolv.so.2 => /lib64/libresolv.so.2 (0x0000003219400000)libselinux.so.1 => /lib64/libselinux.so.1 (0x0000003219000000)

GoMartini没有额外依赖包,和python打包很像:

[winlin@dev6 web]$ ldd objs/go.martini linux-vdso.so.1 =>  (0x00007fffd25ff000)libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003218400000)libc.so.6 => /lib64/libc.so.6 (0x0000003217800000)/lib64/ld-linux-x86-64.so.2 (0x0000003217000000)

比较包的大小:

[winlin@dev6 web]$ ls -lh objs/go.martini -rwxrwxr-x 1 winlin winlin 6.4M Nov  3 14:35 objs/go.martini[winlin@dev6 web]$ ls -lh objs/_release/nginx/sbin/nginx-rwxrwxr-x 1 winlin winlin 14M Nov  3 12:05 objs/_release/nginx/sbin/nginx

GO在这方面做得都不错。
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