GO性能测试:未进行任何优化

第一次,站长亲自招 Gopher 了>>>

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/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 
 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/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 
 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/json
openresty: 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/json
openresty:16550.72rps
cherrypy: 531.28rps
go-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 &); done
openresty:18514rps
go-martini: 30954rps

100个并发测试

起5进程,每个并发20个请求:
<pre name="code" class="plain">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 &); done

openresty: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。

依赖包

Openresty的依赖包一大堆,部署不方便:

[winlin@dev6 web]$ ldd objs/_release/nginx/sbin/nginx
	linux-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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本文来自:CSDN博客

感谢作者:winlinvip

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