配置环境：centos 7.2
server1：redis（172.25.254.1）
server2：php（172.25.254.2）
server3：mysql（172.25.254.3）
配置步骤：
server2：
1、server2安装php的redis相应模块
2、nginx安装
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[root@server2 php-fpm.d]# rpm -ivh nginx-1.8.0-1.el6.ngx.x86_64.rpm
warning: nginx-1.8.0-1.el6.ngx.x86_64.rpm: header v4 rsa/sha1 signature,
key
id 7bd9bf62: nokey
preparing... ########################################### [100%]
1:nginx ########################################### [100%]
----------------------------------------------------------------------
thanks
for
using nginx!
please find the official documentation
for
nginx here:
commercial subscriptions
for
nginx are available
on
:
----------------------------------------------------------------------
[root@server2 php-fpm.d]# id nginx
uid=498(nginx) gid=499(nginx) groups=499(nginx)
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3、nginx和php配置
1、php配置
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[root@server2 php-fpm.d]# cd /etc/php-fpm.d/
[root@server2 php-fpm.d]# id nginx
uid=498(nginx) gid=499(nginx) groups=499(nginx)
[root@server2 php-fpm.d]# vim www.conf
39
user
= nginx
41
group
= nginx
[root@server2 php-fpm.d]# vim /etc/php.ini
946
date
.timezone = asia/shanghai
[root@server2 php-fpm.d]# /etc/init.d/php-fpm start
starting php-fpm: [ ok ]
[root@server2 php-fpm.d]# netstat -antlp | grep php
tcp 0 0 127.0.0.1:9000 0.0.0.0:* listen 1125/php-fpm
[root@server2 php-fpm.d]# vim /etc/php.ini
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2、nginx配置
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[root@server2 ~]# cd /etc/nginx/conf.d/
[root@server2 conf.d]# ls
default
.conf example_ssl.conf
[root@server2 conf.d]# vim
default
.conf
10
index
index
.php
index
.html
index
.htm;
30 location ~ \.php$ {
31 root html;
32 fastcgi_pass 127.0.0.1:9000;
33 fastcgi_index
index
.php;
34 fastcgi_param script_filename /usr/share/nginx/html$fastcgi_script _name;
35 include fastcgi_params;
36 }
[root@server2 conf.d]# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax
is
ok
nginx: configuration file /etc/nginx/nginx.conf test
is
successful
[root@server2 conf.d]# nginx
[root@server2 conf.d]# netstat -anplt |grep nginx
tcp 0 0 0.0.0.0:80 0.0.0.0:* listen 1141/nginx
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php测试：
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[root@server2 conf.d]# cd /usr/share/nginx/html/
[root@server2 html]# vim
index
.php
[root@server2 html]# cat
index
.php
<!
--php
phpinfo()
-->
[root@server2 html]# /etc/init.d/php-fpm reload
reloading php-fpm: [14-jul-2018 01:09:13] notice: configuration file /etc/php-fpm.conf test
is
successful
[ ok ]
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物理机访问：
4、php配置redis+mysql
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[root@server2 ~]# cd /usr/share/nginx/html/
[root@server2 html]# vim test.php
<!
--php
$redis = new redis();
$redis
--->connect('172.25.254.1',6379) or die ("could net connect redi s server");
# $query =
"select * from test limit 9"
;
$query =
"select * from test"
;
for
($
key
= 1; $
key
< 10; $
key
++)
{
if (!$redis->get($
key
))
{
$
connect
= mysql_connect(
'172.25.254.3'
,
'redis'
,
'wes tos'
);
mysql_select_db(test);
$result = mysql_query($query);
//如果没有找到$
key
,就将该查询sql的结果缓存到redis
while ($row = mysql_fetch_assoc($result))
{
$redis->
set
($row[
'id'
],$row[
'name'
]);
}
$myserver =
'mysql'
;
break;
}
else
{
$myserver =
"redis"
;
$data[$
key
] = $redis->get($
key
);
}
}
echo $myserver;
echo
"
"
;
for
($
key
= 1; $
key
< 10; $
key
++)
{
echo
"number is $key"
;
echo
"
"
;
echo
"name is $data[$key]"
;
echo
"
"
;
}
>
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5、添加php支持的redis模块
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[root@server2 ~]# unzip phpredis-master.zip
[root@server2 ~]# cd phpredis-master
[root@server2 phpredis-master]# phpize
configuring
for
:
php api version: 20090626
zend module api
no
: 20090626
zend extension api
no
: 220090626
[root@server2 phpredis-master]# ls
acinclude.m4 config.sub library.c readme.markdown
aclocal.m4 configure library.h redis.c
autom4te.cache configure.
in
ltmain.sh redis_session.c
build credits makefile.
global
redis_session.h
common.h debian missing run-tests.php
config.guess debian.control mkdeb-apache2.sh serialize.list
config.h.
in
igbinary mkinstalldirs tests
config.m4 install-sh php_redis.h
[root@server2 phpredis-master]# ./configure
[root@server2 phpredis-master]# make && make install
[root@server2 ~]# cd /etc/php.d/
[root@server2 php.d]# ls
curl.ini json.ini mysql.ini pdo_sqlite.ini zip.ini
fileinfo.ini mbstring.ini pdo.ini phar.ini
gd.ini mysqli.ini pdo_mysql.ini sqlite3.ini
[root@server2 php.d]# cp mysql.ini redis.ini
[root@server2 php.d]# vim redis.ini
2 extension=redis.so
[root@server2 php.d]# /etc/init.d/php-fpm reload
reloading php-fpm: [14-jul-2018 01:21:56] notice: configuration file /etc/php-fpm.conf test
is
successful
[ ok ]
[root@server2 php.d]# php -m |grep redis
redis
server3:mysql配置
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1、安装mysql-server
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[root@server3 ~]# rpm -qa | grep mysql
mysql-community-common-5.7.17-1.el6.x86_64
mysql-community-client-5.7.17-1.el6.x86_64
mysql-community-libs-compat-5.7.17-1.el6.x86_64
mha4mysql-node-0.56-0.el6.noarch
mysql-community-libs-5.7.17-1.el6.x86_64
mysql-community-server-5.7.17-1.el6.x86_64
[root@server3 ~]# rpm -e `rpm -qa|grep mysql`
--nodeps ##不考虑依赖性删除mysql
warning: /etc/my.cnf saved
as
/etc/my.cnf.rpmsave
[root@server3 ~]# rpm -qa | grep mysql
[root@server3 ~]# cd /var/lib/mysql/
[root@server3 mysql]# rm -fr *
[root@server3 mysql]# ls
[root@server3 mysql]# yum install -y mysql-server ##安装
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2、开启mysql，并导入测试数据库
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[root@server3 ~]# /etc/init.d/mysqld start
[root@server3 ~]# mysql < test.sql
[root@server3 ~]# mysql < test.sql
[root@server3 ~]# cat test.sql
use test;
create
table
`test` (`id`
int
(7)
not
null
auto_increment, `
name
`
char
(8)
default
null
,
primary
key
(`id`)) engine=innodb
default
charset=utf8;
insert
into
`test`
values
(1,
'test1'
),(2,
'test2'
),(3,
'test3'
),(4,
'test4'
),(5,
'test5'
),(6,
'test6'
),(7,
'test7'
),(8,
'test8'
),(9,
'test9'
);
#delimiter $$
#
create
trigger
datatoredis
after
update
on
test
for
each row
begin
#
set
@recv=gman_do_background(
'synctoredis'
, json_object(new.id
as
`id`, new.
name
as
`
name
`));
#
end
$$
#delimiter ;
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3、数据库授权
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[root@server3 ~]# mysql
mysql>
grant
all
on
test.*
to
redis@
'%'
identified
by
'westos'
;
query ok, 0
rows
affected (0.00 sec)
mysql>
select
*
from
test.test;
+
----+-------+
| id |
name
|
+
----+-------+
| 1 | test1 |
| 2 | test2 |
| 3 | test3 |
| 4 | test4 |
| 5 | test5 |
| 6 | test6 |
| 7 | test7 |
| 8 | test8 |
| 9 | test9 |
+
----+-------+
9
rows
in
set
(0.00 sec)
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测试：访问172.25.254.2/test.php
1、php默认从redis 索取数据，第一次redis无缓存，则php从mysql'索取数据
第一次无缓存
第二次索取数据后：
redis节点也可查看
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[root@server1 redis-4.0.1]# redis-cli
127.0.0.1:6379> get 2
"test2"
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2、将数据库server3节点内容更新并删除节点，则php从数据库索取数据节点更新内容
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mysql>
update
test.test
set
name
=
'westos'
where
id=1;
query ok, 1 row affected (0.05 sec)
rows
matched: 1 changed: 1 warnings: 0
mysql>
select
*
from
test.test;
+
----+--------+
| id |
name
|
+
----+--------+
| 1 | westos |
| 2 | test2 |
| 3 | test3 |
| 4 | test4 |
| 5 | test5 |
| 6 | test6 |
| 7 | test7 |
| 8 | test8 |
| 9 | test9 |
+
----+--------+
9
rows
in
set
(0.00 sec)
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redis的master主机删除节点内容
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[root@server1 redis-4.0.1]# redis-cli
127.0.0.1:6379> get 2
"test2"
127.0.0.1:6379> del 1
(
integer
) 1
127.0.0.1:6379> get 1
(nil)
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刷新页面，再次访问
以上redis 作为 mysql 的缓存服务器,但是如果更新了 mysql，redis中仍然会有对应的 key,数据就不会更新,此时就会出现 mysql 和 redis 数据不一致的情况。
总结