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10 baby steps to install Memcached Server and access it with PHP


Thinking of implementing caching for your php application , you are at a right place. Just in 10 simple (copy and paste) steps you can install and access Memcached Server.

Step1: Install libevent ,libmemcached and libmemcached devel (dependency)

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yum install libevent
yum install libmemcached libmemcached-devel
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Step 2: Install Memcached Server

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yum install memcached
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Step 3: Start Memcached server

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memcached -d -m 512 -l 127.0.0.1 -p 11211 -u nobody

(d = daemon, m = memory, u = user, l = IP to listen to, p = port)

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Step 4: Check your memcached server is running successfully

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ps -eaf | grep memcached
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Step 5: Connect Memcached server via telnet

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telnet 127.0.0.1 11211
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Step 6: Check current status of Memcached Server on telnet prompt

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stats
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Step 7: Exit telnet

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quit
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Step 8: Install PHP client to access Memcached Server

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pecl install memcache

It will make “memcache.so”, you have to just put it on your /etc/php.ini file.

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Step 9: Restart your apache server

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service httpd restart
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Step 10: Open your favorite editor to type below code and execute it, it will cache your data into Memcached server and access it back for you

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<?php
$memcache = new Memcache;
$memcache->connect('127.0.0.1', 11211) or die ("Could not connect"); //connect to memcached server
 
$mydata = "i want to cache this line"; //your cacheble data
 
$memcache->set('key', $mydata, false, 100); //add it to memcached server
 
$get_result = $memcache->get('key'); //retrieve your data
 
var_dump($get_result); //show it
?>
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Hurray!! All done!
Enjoy Caching with Memcached.
Cheers!

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