Memcache module provides handy procedural and object oriented interface to memcached highly effective caching and its task is decrease database load in dynamic web application

We have already installed XAMPP on the previous post so configure memcache

Note : While installation If you may getting an any  errors  the solutions are given on this post.

Download memcache and extract that file

# wget http://pecl.php.net/get/memcache-3.0.8.tgz

# tar xf memcache-3.0.8.tgz

# cd memcache-3.0.8

Configure memcache :
 
# /opt/lampp/bin/phpize


Configuring for:

PHP Api Version:         20100412

Zend Module Api No:      20100525

Zend Extension Api No:   220100525
# ./configure --enable-memcache --with-php-config=/opt/lampp/bin/php-config


...

creating libtool

appending configuration tag "CXX" to libtool

configure: creating ./config.status

config.status: creating config.h.
# make && make install


...

Installing shared extensions:

/opt/lampp/lib/php/extensions/no-debug-non-zts-20100525/


Open php.ini configure file Add memcache extension
 
# vi /opt/lampp/etc/php.ini

extension="memcache.so"

close vi with :wq!

Install memcached on your system using yum or apt-get

CentOS/Fedora/RHEL:
 
# yum install memcached

Ubuntu/Debian:
 
# apt-get install memcached

Start memcache service on system at boot time
 
# chkconfig --levels 235 memcached on

# /etc/init.d/memcached start

To ensure whether the service is running or not
 
# ps -eaf | grep memcached


memcache 22933  1744  0 16:09 ?        00:00:00 /usr/bin/memcached -m

64 -p 11211 -u memcache -l 127.0.0.1

To check may have memcached  installed in the system by phpinfo() function, create a php file with name test.php with below simple code,
 
<?php
echo phpinfo();
?>



Also, check with command on terminal,
 
#    /opt/lampp/bin/php  -i  |  grep memcache


memcache

memcache support => enabled

memcache.allow_failover => 1 => 1

memcache.chunk_size => 32768 => 32768

memcache.compress_threshold => 20000 => 20000

memcache.default_port => 11211 => 11211

memcache.hash_function => crc32 => crc32

memcache.hash_strategy => consistent => consistent

memcache.lock_timeout => 15 => 15

memcache.max_failover_attempts => 20 => 20

memcache.protocol => ascii => ascii

memcache.redundancy => 1 => 1

memcache.session_redundancy => 2 => 2

Registered save handlers => files user memcache


If you may face an error as same as below,

Error 1 :
 
#  /opt/memcache-3.0.8# /opt/lampp/bin/phpize


Configuring for:

PHP Api Version:         20100412

Zend Module Api No:      20100525

Zend Extension Api No:   220100525

Cannot find autoconf. Please check your autoconf installation and the

$PHP_AUTOCONF environment variable. Then, rerun this script.

Solution:

Autoconf and supporting packages does not find in your system  follow the steps to be installed
 
# cd /usr/src

# wget http://ftp.gnu.org/gnu/m4/m4-1.4.9.tar.gz

# tar -zvxf m4-1.4.9.tar.gz

# cd m4-1.4.9/

# ./configure && make && make install

# cd ../

# wget http://ftp.gnu.org/gnu/autoconf/autoconf-2.62.tar.gz

# tar -zvxf autoconf-2.62.tar.gz

# cd autoconf-2.62/

# ./configure && make && make install

# memcached -d

Error 2 :
 
#  /opt/lampp/bin/phpize


grep: /opt/lampp/include/php/main/php.h: No such file or directory

grep: /opt/lampp/include/php/Zend/zend_modules.h: No such file or directory

grep: /opt/lampp/include/php/Zend/zend_extensions.h: No such file or directory

Configuring for:

PHP Api Version:        

Zend Module Api No:     

Zend Extension Api No: 

Solution:

xmapp-devel package does not found in your XMAPP, download devel package :
 
# cd /opt

# wget http://sourceforge.net/projects/xampp/files/XAMPP%20Linux/1.6.6/xampp-linux-devel-1.6.6.tar.gz

If you have extracted on the same directory files will be replicated on the lampp
 
# tar -xf xampp-linux-devel-1.6.6.tar.gz

#/opt/lampp/bin/phpize

Error 3 :
 
# ./configure --enable-memcache --with-php-config=/opt/lampp/bin/php-config


....

checking for the location of ZLIB... no

checking for the location of zlib... configure: error: memcache support requires ZLIB. Use --with-zlib-dir=

to specify prefix where ZLIB include and library are located

Solution:

Install libgcrypt11-dev and zlib1g-dev packages in your system,
 
# apt-get install libgcrypt11-dev

# apt-get install zlib1g-dev