http和https通道性能比较

通过ab压力测试，apache走https通道，单个apache节点，在1000的并发下，获取几百字节的图片这样简单请求，也需要几秒钟的时间。

io和cpu负载均不高， 用nginx也是一样慢。 只有当并发降到100时，请求返回时间才正常。

================= http ===============

ab -n 1000 -c 1000 http://10.249.192.168/images/404_ico.png

Concurrency Level: 1000
Time taken for tests: 3.11487 seconds
Complete requests: 10000
Failed requests: 0
Write errors: 0
Total transferred: 9941916 bytes
HTML transferred: 6708040 bytes
Requests per second: 3320.62 [#/sec] (mean)
Time per request: 301.149 [ms] (mean)
Time per request: 0.301 [ms] (mean, across all concurrent requests)
Transfer rate: 3223.66 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 1 14 189.3 2 3001
Processing: 1 26 128.9 4 1484
Waiting: 1 25 128.9 3 1483
Total: 3 40 228.4 6 3007

Percentage of the requests served within a certain time (ms)
50% 6
66% 8
75% 12
80% 13
90% 17
95% 27
98% 242
99% 651
100% 3007 (longest request)

============= https ===================

ab -n 10000 -c 1000 https://10.249.192.168/images/404_ico.png

Document Path: https://images/404_ico.png
Document Length: 670 bytes
Concurrency Level: 1000
Time taken for tests: 44.608465 seconds
Complete requests: 10000
Failed requests: 0
Write errors: 0
Total transferred: 9943902 bytes
HTML transferred: 6709380 bytes
Requests per second: 224.17 [#/sec] (mean)
Time per request: 4460.846 [ms] (mean)
Time per request: 4.461 [ms] (mean, across all concurrent requests)
Transfer rate: 217.67 [Kbytes/sec] received


Connection Times (ms)
min mean[+/-sd] median max
Connect: 296 2908 1406.6 2986 10321
Processing: 4 1521 975.0 1204 4042
Waiting: 3 625 613.3 484 3210
Total: 377 4430 1319.2 4323 14324


Percentage of the requests served within a certain time (ms)
50% 4323
66% 4494
75% 4642
80% 4750
90% 5848
95% 7246
98% 7361
99% 9251
100% 14324 (longest request)

===================== 8点激增请求 ===================

big then 1 second 10450
total: 142962
ipmap: 30235
('110.75.167.221', 16706)
('110.75.167.213', 16483)
('110.75.167.220', 16445)
('121.31.251.61', 503)
('112.97.30.1', 429)
('121.31.250.61', 280)
('112.96.30.30', 200)
('219.148.23.36', 176)
('112.97.30.2', 174)
('58.223.0.39', 168)
('58.223.0.40', 142)
reverse ----------------
('49.92.15.43', 1)
('49.91.104.135', 1)
('202.99.106.195', 1)
('113.126.57.143', 1)
('223.215.114.55', 1)
('112.84.82.17', 1)
('1.198.3.8', 1)
('112.193.94.27', 1)
('183.42.202.128', 1)
('180.98.50.130', 1)
('27.128.89.12', 1)
ip number map--------------
(1, 17425)
(2, 5709)
(3, 1700)
(4, 1165)
(5, 849)
(6, 654)
(7, 474)
(8, 320)
(9, 246)
(10, 193)
(11, 192)
api map----------------
apimap: 99
('/innerapi/oauth/access_token_cap', 81160)
('/openapi/id/aliyunid', 41827)
('/openapi/util/timestamp', 11267)
('/openapi/id/load', 1910)
('/innerapi/id/aliyunid_by_accesstoken_kp', 1825)
('/innerapi/id/aliyunid_by_kp', 1379)
('/innerapi/oauth/check_access_token', 1074)
('/openapi/id/aliyunid_kp', 803)
('/openapi/sp/taobao/taobaoid', 267)
('/innerapi/id/kp_by_aliyunid', 262)
('/innerapi/oauth/access_token_by_ticket', 173)
('/openapi/id/mobile_number', 146)
('/oauth/request_token', 127)
('/innerapi/id/load_by_aliyunid', 90)
('/openapi/id/check', 83)