Speeding up your website using eaccelerator and memcache/memcached

 eAccelerator, http, memcached, php, wordpress  No Responses »
Oct 152009
 

Php default behaviour is always re-compile our script everytime accessed by users/browsers. eaccelerator can increases the performance of PHP scripts by caching them in their compiled state, so that the overhead of compiling is almost completely eliminated. It also optimizes scripts to speed up their execution. eAccelerator typically reduces server load and increases the speed of your PHP code by 1-10 times.

memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.

Here’s how to install eaccelerator extension

$ wget http://bart.eaccelerator.net/source/0.9.6/eaccelerator-0.9.6-rc1.tar.bz2
$ tar xjf eaccelerator-0.9.6-rc1.tar.bz2
$ cd eaccelerator-0.9.6-rc1
$ phpize
$ ./configure
$ make
$ sudo make install
$ cd /var/cache
$ sudo mkdir eaccelerator
$ sudo chown -R apache:apache eaccelerator

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 Posted by leenoux at 10:16 am  Tagged with: , , , , , ,

WordPress with one database, same domain, two identical installation on two different machine/network(ipv4/ipv6)

 apache, centos, ipv6  No Responses »
Jul 302009
 

Here is the case:

I have already wordpress/blog installation running on httpd with ipv4.(with no ipv6 enabled).
I want everyone with native ipv6 be able accesing my blog.
I have one server already connected to ipv6 via he.net tunnel brokers on different region.

It’s also have httpd listen on both ipv4/ipv6.

So here’s what i have done.

    * I made a backup of wordpress installation on original server.

$ tar cjf wordpress.tar.bz2 wordpress

    * Copy and extract  wordpress backup to ipv6 enabled
      server.(in my case it's extracted on /var/www/html/)

$ tar xjf wordpress.tar.bz2

    * Edit wp-config.php

since wordpress using database on original server. I have to create one user, that can access the database from network.(i’m not going to explain how to do it, it’s not beyond this article scope).

define('DB_NAME', 'database');
define('DB_USER', 'user');
define('DB_PASSWORD', 'password');
define('DB_HOST', 'ip of original machine');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');

    * Create virtualhost on httpd, same as original server.

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 Posted by leenoux at 9:46 am  Tagged with: , , ,
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