【发布时间】：2019-03-07 11:21:05
【问题描述】：
我有一个静态资产约为 1.5 mb 的 Angular 网站，压缩后约为 400 kb，我将 nginx 作为我的网络服务器和 API 服务器的反向代理，当我使用 Apache 基准测试工具测试 nginx 时，我发现有巨大的下降如果我测试 https 站点的性能与 http 相比（https 慢 10 倍）并且 cpu 利用率和内存一点也不高（cpu 30% 内存只有 1 mb！！）
我一直在寻找几个小时并尝试了所有可能的增强功能，但都没有奏效，据我所知，现代 Web 服务器上的 https 不会那么慢（http 大约 1500 req/sec 和 https 是 46 req/sec nginx），这主要来自 Nginx https 非常高的连接时间，但我不知道如何解决这个问题。
有人可以建议如何改进吗？
（同样令我惊讶的是，Apache 在这两种情况下都表现得更好，但如果我将并发连接设置为超过 200 个则不会响应）& 这不是 nginx 与 apache 我只是在说明我的情况。
重要提示：
我没有比较不是本网站重点的 2 个 Web 服务器，但通常它们具有相当的性能 所以如果 nginx 中的 https 比 Apache 慢 10 倍，我觉得有问题我的 Nginx 配置，我想修复它。
所有测试都在我的 Windows 机器 i7 和 16 GB 内存上进行。
仅限 Nginx http：
C:\Apache24\bin>ab -n 5000 -c 200 http://localhost:8100/abc/index.html?param=abc
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Server Software: nginx/1.15.4
Server Hostname: localhost
Server Port: 8100
Document Path: /abc/index.html?param=abc
Document Length: 1099 bytes
Concurrency Level: 200
Time taken for tests: 3.246 seconds
Complete requests: 5000
Failed requests: 0
Total transferred: 6665000 bytes
HTML transferred: 5495000 bytes
Requests per second: 1540.32 [#/sec] (mean)
Time per request: 129.843 [ms] (mean)
Time per request: 0.649 [ms] (mean, across all concurrent requests)
Transfer rate: 2005.12 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 1.3 0 16
Processing: 31 87 12.8 94 124
Waiting: 0 87 13.7 94 124
Total: 31 87 12.8 94 124
Percentage of the requests served within a certain time (ms)
50% 94
66% 94
75% 94
80% 94
90% 99
95% 109
98% 109
99% 113
100% 124 (longest request)
Nginx https（启用 http2）
C:\Apache24\bin>abs -n 5000 -c 200 https://localhost:8200/abc/index.html?param=abc
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Server Software: nginx/1.15.4
Server Hostname: localhost
Server Port: 8200
SSL/TLS Protocol: TLSv1.2,ECDHE-RSA-AES256-GCM-SHA384,2048,256
TLS Server Name: localhost
Document Path: /abc/index.html?param=abc
Document Length: 1099 bytes
Concurrency Level: 200
Time taken for tests: 108.985 seconds
Complete requests: 5000
Failed requests: 0
Total transferred: 6780000 bytes
HTML transferred: 5495000 bytes
Requests per second: 45.88 [#/sec] (mean)
Time per request: 4359.386 [ms] (mean)
Time per request: 21.797 [ms] (mean, across all concurrent requests)
Transfer rate: 60.75 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 16 4201 506.8 4251 4755
Processing: 0 32 12.6 31 88
Waiting: 0 32 12.6 31 88
Total: 62 4232 506.9 4283 4800
Percentage of the requests served within a certain time (ms)
50% 4283
66% 4342
75% 4413
80% 4439
90% 4484
95% 4547
98% 4694
99% 4727
100% 4800 (longest request)
与 Apache http 相比（此处 CPU 的利用率约为 90% 到 100%）
C:\Apache24\bin>ab -n 5000 -c 200 http://localhost:6200/abc/index.html?param=abc
Server Software: Apache/2.4.33
Server Hostname: localhost
Server Port: 6200
Document Path: /abc/index.html?param=abc
Document Length: 1099 bytes
Concurrency Level: 200
Time taken for tests: 1.781 seconds
Complete requests: 5000
Failed requests: 0
Total transferred: 6810000 bytes
HTML transferred: 5495000 bytes
Requests per second: 2806.99 [#/sec] (mean)
Time per request: 71.251 [ms] (mean)
Time per request: 0.356 [ms] (mean, across all concurrent requests)
Transfer rate: 3733.51 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 1.6 0 16
Processing: 16 69 16.0 63 125
Waiting: 0 57 16.0 63 125
Total: 16 69 16.0 63 125
Percentage of the requests served within a certain time (ms)
50% 63
66% 78
75% 78
80% 78
90% 94
95% 94
98% 94
99% 109
100% 125 (longest request)
而Apache https如下（http 1.1）&注意nginx中的http 1.1并没有提高其性能：
C:\Apache24\bin>abs -n 5000 -c 200 https://localhost:7200/abc/index.html?param=abc
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Server Software: Apache/2.4.33
Server Hostname: localhost
Server Port: 7200
SSL/TLS Protocol: TLSv1.2,ECDHE-RSA-AES256-GCM-SHA384,2048,256
TLS Server Name: localhost
Document Path: /abc/index.html?param=abc
Document Length: 1099 bytes
Concurrency Level: 200
Time taken for tests: 8.747 seconds
Complete requests: 5000
Failed requests: 0
Total transferred: 6810000 bytes
HTML transferred: 5495000 bytes
Requests per second: 571.60 [#/sec] (mean)
Time per request: 349.894 [ms] (mean)
Time per request: 1.749 [ms] (mean, across all concurrent requests)
Transfer rate: 760.27 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 198 42.7 188 391
Processing: 62 145 39.1 140 385
Waiting: 0 76 28.3 78 250
Total: 62 343 63.0 331 615
Percentage of the requests served within a certain time (ms)
50% 331
66% 369
75% 380
80% 389
90% 422
95% 465
98% 500
99% 536
100% 615 (longest request)
我的 nginx 配置：
worker_processes auto;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
server {
listen 8100;
server_name localhost;
location / {
root html;
index index.html index.htm;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
server {
listen 8200 ssl http2;
server_name localhost;
ssl_certificate C:/nginx-1.13.12/conf/server.crt;
ssl_certificate_key C:/nginx-1.13.12/conf/server.key;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
gzip on;
gzip_comp_level 1;
gzip_vary on;
gzip_types
text/css
text/javascript
text/xml
text/plain
text/x-component
application/javascript
application/json
application/xml
application/rss+xml
font/truetype
font/opentype
application/vnd.ms-fontobject
image/svg+xml;
gzip_static on;
location /ipo_reits/ {
root html;
index index.html index.htm;
## here we redirect to the homepage in case of nginx 404
try_files $uri $uri/ /ipo_reits/index.html;
# error_page 404 =301 /;
}
location /api/ {
proxy_pass https://localhost:7001/;
}
}
}
【问题讨论】：
标签： apache nginx https webserver angular6