Installation configuration for CENTOS7 under memcached

1. Download

Official website Http://memcached.org/memcached relies on libevent-devel need to install Libevent-devel first

1 Yum Install Libevent-devel

Installation completed continue to install memcached

1 wgethttp//memcached.org/files/memcached-1.4.35.tar.gz2  3 Tar-ZXVF memcached-1.4. *.Tar. GZ4  5CD memcached-1.4. *.Tar. GZ6  7./configure && Make&&sudo  Make Install

The installation is successful and can be

1 /usr/local/bin2 found memcached

2. Start and close 1. Start the server

1 Ten 127.0. 0.1  12000  -p/tmp/memcached.pid

Description

1 -d option is to start a daemon,2 -m is allocated to memcache using the amount of memory, in megabytes, I here is 10MB,3 -  U is the user running memcache, I here is root,4 -L is the server IP address listening, if there are more than one address, I specify the server IP address 127. 0.0. 1 5 -p is set memcache listening port, I set 12000 here, preferably more than 1024 ports,6 -C option is the maximum number of concurrent connections running, the default is 1024, I set up here 256, according to your server load amount to set,7 -P is set to save memcache pid file, I here is saved in/tmp/memcached.pid,

Check whether the startup was successful:

1[Email protected] bin]#PSAux |grepmemcached2Apache9949  0.0  0.4 324676  4104? SslTen: +   0: on/usr/local/bin/memcached-d-MTen-U apache-l127.0.0.1-P12000-C the-p/tmp/Memcached.pid3Root10652  0.0  0.0 112648   960pts/0r+ One: ,   0:xx grep--color=auto memcached

2. End memcached

1 kill 'cat /tmp/memcached.pid '

You can also start multiple daemons, but the ports cannot be duplicated. Use memcached1 in 3.php. Install php-pecl-memcached

1 Yum Install php-pecl-memcached2  3 add module to PHP4 vim/etc/ php.ini 5 Add 6  7 extension=memcached.so

See this to indicate that the module was successfully installed.

2. Write Test PHP

1 <? PHP 2 $m = new Memcached (); 3 $m->addserver ('localhost'12000); 4 Print_r ($m->getversion ());

If the version number Array ([localhost:12000] = 1.4.35) is displayed as normal, the PHP connection memcached succeeds if the display Array ([localhost:12000] = 255.255.255)the connection fails Workaround:First, note that when you start the memcached service, you specify-u apache second, SELinux is turned onRun

1 /usr/sbin/setsebool httpd_can_network_connect=1

OK, you can use it normally.    

Centos7 the installation configuration under memcached