PHP APC Cache Installation Configuration Tutorial

The easiest way to find the PHP installation directory pecl

Automatic installation

#/USR/LOCAL/PHP/BIN/PECL Install APC

Then follow the prompts step-by-step to complete

Then configure the end of/usr/local/php/etc/php.ini to join

Extension=apc.so

Manual Installation

Official website: http://cn2.php.net/manual/zh/book.apc.php
Download: Http://pecl.php.net/package/APC Find the latest

Download APC

# wget Http://pecl.php.net/get/APC-3.1.13.tgz
# TAR-ZXVF Apc-3.1.13.tgz
# CD APC-3.1.13

Generating Configure Files

#/usr/local/php/bin/phpize

Perform configure and make && make install

#./configure--ENABLE-APC--enable-apc-mmap--with-php-config=/usr/local/php/bin/php-config
# make
# make Install

Copy add so file

# cp/usr/local/php/lib/php/extensions/no-debug-non-zts-20100525/apc.so/usr/local/php/lib/php/extensions/apc.so
# chmod 755/usr/local/php/lib/php/extensions/apc.so

Modify the php.ini to start the APC module

# Vi/usr/local/php/etc/php.ini
Extension_dir = "/usr/local/php/lib/php/extensions"
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

# Service httpd Restart

using APC

test.php

<?php
Print_r (Apc_cache_info ());

Note in the browser will not be very friendly, you can see the source code of the Web page is very clear

Array
(
[Num_slots] => 1031
[TTL] => 0
[Num_hits] => 3
[Num_misses] => 1
[Num_inserts] => 1
[Expunges] => 0
[Start_time] => 1398341530
[Mem_size] => 4240
[Num_entries] => 1
[File_upload_progress] => 1
[Memory_type] => mmap
[Locking_type] => pthread Mutex Locks
[Cache_list] => Array
(
[0] => Array
(
[Type] => file
[Device] => 64768
[Inode] => 1179758
[FileName] =>/data/www/www.111cn.net/test.php
[Num_hits] => 3
[Mtime] => 1398341609
[Creation_time] => 1398341617
[Deletion_time] => 0
[Access_time] => 1398341630
[Ref_count] => 1
[Mem_size] => 4240
)

)

[Deleted_list] => Array
(
)

[Slot_distribution] => Array
(
[109] => 1
)

)

Multiple clicks, you can find num_hits in the change, description cache hit!

Pressure test to see the effect

Turn off the APC, separate the pressure tests. You will find that the throughput is much better than not opening the APC after you open the APC.

# AB-N1000-C10 http://www.111cn.net/test.php