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如何進(jìn)行Apache服務(wù)mod_deflate模塊分析，很多新手對(duì)此不是很清楚，為了幫助大家解決這個(gè)難題，下面小編將為大家詳細(xì)講解，有這方面需求的人可以來學(xué)習(xí)下，希望你能有所收獲。
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LAMP架構(gòu)應(yīng)用實(shí)戰(zhàn)—Apache服務(wù)
mod_deflate壓縮模塊
今天來介紹下比較常用的模塊mod_deflate壓縮模塊
一：mod_deflate模塊介紹
mod_deflate壓縮模塊提供了DEFLATE輸出過濾器，允許服務(wù)器將內(nèi)容發(fā)送給客戶端之前進(jìn)行壓縮，節(jié)省帶寬資源
二：mod_deflate模塊查看
直接編譯安裝查看如下
[root@Centos modules]# /application/apache/bin/apachectl -l|grep mod_deflate
mod_deflate.c
以DSO方式編譯安裝查看如下
[root@Centos modules]# ls -l|grep defla
-rwxr-xr-x. 1 root root 86591 Sep 18 15:26 mod_deflate.so
但是以上兩種方式不能同時(shí)安裝，否則會(huì)出現(xiàn)錯(cuò)誤
[root@Centos conf]# /application/apache/bin/apachectl -M|grep deflate
deflate_module (shared)
查看幫助
[root@Centos httpd-2.4.23]# ./configure --help|grep deflate
--enable-deflate Deflate transfer encoding support
編譯、或以DSO安裝方式安裝與前面的緩存模塊安裝相同，這里就不再介紹了
三：mod_deflate配置
配置前看下HTTP頭的信息
[root@Centos modules]# curl -I http://blog.abc.com:9999/
HTTP/1.1 200 OK
Date: Sun, 18 Sep 2016 07:37:58 GMT
Server: Apache/2.4.23 (Unix)
Last-Modified: Fri, 09 Sep 2016 12:19:55 GMT
ETag: "1f-53c122a061992"
Accept-Ranges: bytes
Content-Length: 31
Cache-Control: max-age=31104000
Expires: Wed, 13 Sep 2017 07:37:58 GMT
Content-Type: text/html
備份并配置模塊
[root@Centos conf]# cp httpd.conf httpd.conf.0918
[root@Centos conf]# vi httpd.conf
中間內(nèi)容省略
DeflateCompressionLevel 9
SetOutputFilter DEFLATE
AddOutputFilterByType DEFLATE text/html text/plain /text/xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE text/css
"httpd.conf" 521L, 18903C written
語法檢查與服務(wù)重啟
[root@Centos conf]# /application/apache/bin/apachectl -t
Syntax OK
[root@Centos conf]# /application/apache/bin/apachectl graceful
[root@Centos conf]# lsof -i tcp:9999
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
httpd 2156 root 8u IPv6 16255 0t0 TCP *:distinct (LISTEN)
httpd 13911 daemon 8u IPv6 16255 0t0 TCP *:distinct (LISTEN)
httpd 13912 daemon 8u IPv6 16255 0t0 TCP *:distinct (LISTEN)
httpd 13913 daemon 8u IPv6 16255 0t0 TCP *:distinct (LISTEN)
[root@Centos conf]# ps -ef|grep http
root 2156 10 15:13 ? 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon13911 2156 0 15:49 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon 13912 2156 0 15:49 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon 13913 2156 0 15:49 ?00:00:00 /application/apache2.4.23/bin/httpd -k restart
root 14003 1941 015:50 pts/0 00:00:00 grep http
測(cè)試配置內(nèi)容
[root@Centos conf]# curl -I http://blog.abc.com:9999/deflate.html
HTTP/1.1 200 OK
Date: Sun, 18 Sep 2016 09:32:39 GMT
Server: Apache/2.4.23 (Unix)
Last-Modified: Sun, 18 Sep 2016 08:10:40 GMT
ETag: "309-53cc3bb2de520"
Accept-Ranges: bytes
Content-Length: 777
Vary: Accept-Encoding 出現(xiàn)這個(gè)提示表明已啟用壓縮
Cache-Control: max-age=31104000
Expires: Wed, 13 Sep 2017 09:32:39 GMT
Content-Type: text/html
把之前的配置內(nèi)容注釋掉
[root@Centos conf]# /application/apache/bin/apachectl -t
Syntax OK
[root@Centos conf]# /application/apache/bin/apachectl graceful
[root@Centos conf]# ps -ef |grep http
root 14492 1 0 17:03 ? 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon 14998 14492 0 17:39 ? 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon 14999 14492 0 17:39 ? 00:00:00 /application/apache2.4.23/bin/httpd -k restart
daemon 15000 14492 0 17:39 ?00:00:00 /application/apache2.4.23/bin/httpd -k restart
root 15083 148 0 17:39 pts/0 00:00:00 grep http
[root@Centos conf]# lsof -i tcp:9999
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
httpd 14492 root 8u IPv6 28964 0t0 TCP *:distinct (LISTEN)
httpd 14998 daemon 8u IPv6 28964 0t0 TCP *:distinct (LISTEN)
httpd 14999 daemon 8u IPv6 28964 0t0 TCP *:distinct (LISTEN)
httpd 15000 daemon 8u IPv6 28964 0t0 TCP *:distinct (LISTEN)
[root@Centos conf]# curl -I http://blog.abc.com:9999/deflate.html
HTTP/1.1 200 OK
Date: Sun, 18 Sep 2016 09:40:08 GMT
Server: Apache/2.4.23 (Unix)
Last-Modified: Sun, 18 Sep 2016 08:10:40 GMT
ETag: "309-53cc3bb2de520"
Accept-Ranges: bytes
Content-Length: 777
Cache-Control: max-age=31104000
Expires: Wed, 13 Sep 2017 09:40:08 GMT
Content-Type: text/html
發(fā)現(xiàn)沒有配置的時(shí)候是不會(huì)出現(xiàn)相關(guān)提示內(nèi)容
提示：如果編譯安裝后，主配置文件中沒有加入deflate此模塊，那么我們可以手要增加一個(gè)這樣的模塊
LoadModule deflate_module modules/mod_deflate.so
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