What is memcache and why you use memcache for your website

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Memcache is Free & open source, high-performance, distributed memory object caching system which improves the website performance In simple words every time your website opens it fetches data from database. Memcache cache this data locally on temporary cache so that every time your website page open it won’t run sql queries to fetch data from DB.

How to Install Memcache in Ubuntu

To install memcache in ubuntu run the following command

 sudo apt-get install memcached

once memcache is install you can set the configuration

sudo gedit /etc/memcached.conf

after open this file you can find the default caching memory and port is

     -m 64 //64 MB
      -p 11211

Set as per requirement.
You can check whether memcached service is running or not by using command

sudo service memcahed status

How to use Memcache For PHP

define('HOST', '127.0.0.1');
define('PORT', '27645');

$memcache = new Memcache;
$cacheAvailable = $memcache->connect(HOST, PORT);

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