Install and use PHPAPC

In the simplest way, find the pecl automatic installation in the php installation directory: # usrlocalphpbinpeclinstallapc. Follow the prompts to configure etcphp step by step. add extensionapc to the end of ini. so manual installation: cn2.php on the official website. netmanualzhbook. apc. php downloads pecl. php. netpacka

In the simplest way, find the pecl automatic installation in the php installation directory: #/usr/local/php/bin/pecl install apc and follow the prompts to complete step by step to configure/etc/php. add extension = apc to the end of ini. so manual installation: Official http://cn2.php.net/manual/zh/book.apc.php download http://pecl.php.net/packa

The simplest method is to find the pecl in the php installation directory.

Automatic installation:

#/Usr/local/php/bin/pecl install apc

Follow the prompts below to complete step by step

Add/etc/php. ini to the end
Extension = apc. so

Manual installation:

Official http://cn2.php.net/manual/zh/book.apc.php

Download the http://pecl.php.net/package/APC to find the latest

# Wget http://pecl.php.net/get/APC-3.1.9.tgz

# Tar-zxvf APC-3.1.9.tgz
# Cd APC-3.1.9
#/Usr/local/php/bin/phpize (production of configure files)
#./Configure-enable-apc-mmap-with-php-config =/usr/local/php/bin/php-config
# Make
# Make install

Copy and add an SO file
# Cp/usr/local/lib/php/extensions/no-debug-zts-20060613/apc. so/usr/local/php/lib/php/extensions/apc. so
# Chmod 755/usr/local/php/lib/php/extensions/apc. so
Modify PHP. INI to enable the APC Module
Modify php. ini
Extension_dir = "./"
Extension_dir = "/usr/local/php/lib/php/extensions"
Add/etc/php. ini to the end
Extension = apc. so
Apc. enabled = 1
Apc. cache_by_default = on
Apc. shm_segments = 1
Apc. shm_size = 128
Apc. ttl = 7200
Apc. user_ttl = 7200
Apc. num_files_hint = 1024
Apc. write_lock = On
Apc. gc_ttl = 3600
Apc. ttl = 0
Apc. mmap_file_mask =/tmp/apc. XXXXXX
Restart apache

#/Usr/local/apache2/bin/apachectl restart

Use APC

Print_r (apc_cache_info ());

?>

Note that it is not very friendly in the browser. You can view the source code of the webpage to see it clearly.

Array(    [num_slots] => 1031    [ttl] => 0    [num_hits] => 4    [num_misses] => 1    [num_inserts] => 1    [expunges] => 0    [start_time] => 1322818377    [mem_size] => 4240    [num_entries] => 1    [file_upload_progress] => 1    [memory_type] => mmap    [locking_type] => spin Locks    [cache_list] => Array        (            [0] => Array                (                    [type] => file                    [device] => 2049                    [inode] => 883230                    [filename] => /var/www/tb.php                    [num_hits] => 4                    [mtime] => 1322818340                    [creation_time] => 1322818379                    [deletion_time] => 0                    [access_time] => 1322818482                    [ref_count] => 1                    [mem_size] => 4240                )        )    [deleted_list] => Array        (        )    [slot_distribution] => Array        (

......

Multiple clicks show that num_hits is changing, indicating that the cache has hit!

Stress TestingView results:

How to stress test read previous article http://blog.csdn.net/21aspnet/article/details/6595984

First, check to disable the apc function and configure it in php. ini.

# AB-n1000-c10 http: // localhost/tb. php

At this time, the throughput of Requests per second is much higher than before.

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Several other php cache tools

Xcache

Http://xcache.lighttpd.net/

EAccelerator

Http://sourceforge.net/projects/eaccelerator/