***********安裝xcache，為php加速*******************

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unzip -o PHPMyAdmin-4.0.5-all-languages.zip 

mv PHPMyAdmin-4.0.5-all-languages /usr/local/apache/htdocs/pma

1，壓力測(cè)試：

ulimit -n 3000

ab -c 100 -n 2000 http://10.10.37.138/pma/index.php 十個(gè)并發(fā)，發(fā)兩千個(gè)請(qǐng)求

[root@localhost local]# ulimit -n 3000

[root@localhost local]# ab -c 100 -n 2000 http://10.10.37.138/pma/index.php

This is ApacheBench, Version 2.3 <$Revision: 1554214 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 10.10.37.138 (be patient)

Completed 200 requests

Completed 400 requests

Completed 600 requests

Completed 800 requests

Completed 1000 requests

Completed 1200 requests

Completed 1400 requests

Completed 1600 requests

Completed 1800 requests

Completed 2000 requests

Finished 2000 requests

Server Software:        Apache/2.4.9服務(wù)器軟件版本

Server Hostname:        10.10.37.138請(qǐng)求的服務(wù)器地址

Server Port:            80 服務(wù)器端口

Document Path:          /pma/index.php

Document Length:        7794 bytes URL的大小

Concurrency Level:      100 并發(fā)請(qǐng)求

Time taken for tests:   103.874 seconds 整個(gè)測(cè)試經(jīng)過(guò)的時(shí)長(zhǎng)

Complete requests:      2000 一共2000的請(qǐng)求

Failed requests:        0

Total transferred:      17925162 bytes 包含首部和數(shù)據(jù)

HTML transferred:       15588000 bytes 總共傳輸?shù)臄?shù)據(jù)

Requests per second:    19.25 [#/sec] (mean) 每秒鐘完成的請(qǐng)求數(shù)

Time per request:       5193.681 [ms] (mean) 每一批(100個(gè))請(qǐng)求需要的時(shí)間

Time per request:       51.937 [ms] (mean, across all concurrent requests)每一個(gè)請(qǐng)求消耗的時(shí)間

Transfer rate:          168.52 [Kbytes/sec] received 傳輸速率

Connection Times (ms) 連接時(shí)間

              min  mean[+/-sd] median   max

Connect:        0   11  58.9      0     497 連接建立

Processing:  2445 5139 1298.0   4850   17286請(qǐng)求處理

Waiting:     2445 5111 1303.1   4820   17285等待數(shù)據(jù)從磁盤(pán)加載完成并相應(yīng)

Total:       2445 5150 1301.4   4858   17286

Percentage of the requests served within a certain time (ms)

  50%   4858

  66%   5165

  75%   5410

  80%   5590

  90%   6274

  95%   7209

  98%   9036

  99%  11075

 100%  17286 (longest request)

sync

2，下載xcache-3.1.2.tar.bz2百度搜索即可

解壓解包并編譯安裝

[root@localhost php]# man -M man/ phpize

/usr/local/php/bin/phpize 編譯第三方擴(kuò)展是都需要執(zhí)行

./configure --enable-xcache --with-php-config=/usr/local/php/bin/php-config

make && make install

安裝結(jié)束后會(huì)出現(xiàn)如下信息：

Installing shared extensions:    /usr/local/php/lib/php/extensions/no-debug-zts-20100525/

3，配置：

[root@localhost xcache-3.1.2]# mkdir /etc/php.d

[root@localhost xcache-3.1.2]# cp xcache.ini /etc/php.d/

[root@localhost xcache-3.1.2]# vi /etc/php.d/xcache.ini

extension = /usr/local/php/lib/php/extensions/no-debug-zts-20100525/

4，再做壓力測(cè)試：

http://10.10.37.138/pma/index.php 刷新幾次生成緩存

再執(zhí)行測(cè)試

ab -c 100 -n 2000 http://10.10.37.138/pma/index.php

Requests per second:    80.13 [#/sec] (mean)

Time per request:       1248.033 [ms] (mean)

Time per request:       12.480 [ms] (mean, across all concurrent requests)

安裝xcache之前的速度

Requests per second:    19.25 [#/sec] (mean)

Time per request:       5193.681 [ms] (mean)

Time per request:       51.937 [ms] (mean, across all concurrent requests)

速度上能×××倍多

Requests per second:    21.97 [#/sec] (mean)

Time per request:       4552.375 [ms] (mean)

Time per request:       45.524 [ms] (mean, across all concurrent requests)

適用于讀的多，寫(xiě)的少的服務(wù)器類型

文章標(biāo)題：編譯安裝lamp-4（安裝xcache，為php加速）
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