htaccess的mod_rewrite的性能 [英] .htaccess mod_rewrite performance

问题描述

我搜索了很多关于特种作战部队的.htaccess和mod_rewrite的，我想表现聪明哪一个是速度快：

i searched a lot on SOF about .htaccess and mod_rewrite and i want to performance wise which one is faster:

RewriteRule ^([a-z0-9]+)/?$ index.php?id=$1 [NC,L]
RewriteRule ^(.*)/?$ index.php?id=$1 [NC,L]
RewriteRule ^([^/]*)/?$ index.php?id=$1 [NC,L]

因为第一个只接受字母和数字它使它更快地执行？

since the first one only accepts letters and numbers does it make it faster to execute?

推荐答案

如果有疑问，对其进行测试。我设置一个测试服务器运行Ubuntu 2011.10用的Apache2和所使用的攻城负载测试的应用程序进行3次测试。测试跑1分钟（或直至5000失败）与50个并发用户请求/index.html

When in doubt, test it out. I setup a test server running Ubuntu 2011.10 with Apache2 and used the siege load testing app to perform 3 tests. The test ran for 1 minute (or until 5000 failures) with 50 concurrent users requesting '/index.html'

测试＃1使用以下重写规则配置：

Test #1 used the following rewrite rule configuration:

RewriteEngine on
RewriteRule ^([a-z0-9]+)/?$ /index.html?id=$1 [NC,L]

从攻城结果：

The results from siege:

Transactions:                 300970 hits
Availability:                  98.36 %
Elapsed time:                  57.25 secs
Data transferred:              20.38 MB
Response time:                  0.00 secs
Transaction rate:            5257.12 trans/sec
Throughput:                     0.36 MB/sec
Concurrency:                    9.04
Successful transactions:      300970
Failed transactions:            5009
Longest transaction:            0.02
Shortest transaction:           0.00

测试＃2重写规则配置：

Test #2 with a rewrite rule configuration:

RewriteEngine on
RewriteRule ^(.*)/?$ /index.html?id=$1 [NC,L]

结果：

Transactions:                 225244 hits
Availability:                  97.82 %
Elapsed time:                  42.43 secs
Data transferred:              15.25 MB
Response time:                  0.00 secs
Transaction rate:            5308.60 trans/sec
Throughput:                     0.36 MB/sec
Concurrency:                    8.71
Successful transactions:      225244
Failed transactions:            5009
Longest transaction:            0.18
Shortest transaction:           0.00

测试＃3与以下重写规则：

Test #3 with the following rewrite rule:

RewriteEngine on
RewriteRule ^([^/]*)/?$ /index.html?id=$1 [NC,L]

结果：

Transactions:                 210469 hits
Availability:                  97.68 %
Elapsed time:                  39.39 secs
Data transferred:              14.25 MB
Response time:                  0.00 secs
Transaction rate:            5343.21 trans/sec
Throughput:                     0.36 MB/sec
Concurrency:                    8.60
Successful transactions:      210469
Failed transactions:            5009
Longest transaction:            0.02
Shortest transaction:           0.00

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