PHP OPCode cache APC details

APC Introduction

The Alternative PHP Cache (APC) is a free and open opcode cache for PHP. Its goal is to provide a free, open, and robust framework for caching and optimizing PHP intermediate code.

APC Official Website: http://www.php.net/manual/en/book.apc.php

Windows under the latest version of: http://downloads.php.net/pierre/

Download link: The http://downloads.php.net/pierre/php_apc-3.1.4-5.3-VC6-x86.zip uses the corresponding DLL based on your PHP build

APC Configuration

APC configuration mainly describes the configuration in windows. There are many articles on configuration in linux.

1. Download php_apc.dll to the PHP ext directory.

2. Modify php. ini to add extension = php_apc.dll

Add configuration items at the end of php. ini

; APC Setting
[APC]
; An error will be reported when stat is enabled.
; Apc. stat = 0
Apc. enabled = "1 ″
Apc. shm_segments = "1 ″
The problem here is that the default memory configuration for Windows 7 is changed. Do you know if you have any problems?
; Apc. shm_size = "128 ″
; Apc. ttl = 7200
; Apc. user_ttl = 7200
; Corrected metric data
Apc. ttl = "300 ″
Apc. user_ttl = "300 ″
Apc. num_files_hint = "1024 ″
Apc. mmap_file_mask = "E:/Wamp/tmp/apc. XXXXXX"
Apc. enable_cli = "1 ″

3. Restart the apache server and check whether the apc configuration item exists in phpinfo. If yes, the configuration is successful.

APC control panel, control files from APC-3.1.4.tgz

Before cache is used

After cache is used

FAQs:

1. What is the cache Clearing Problem for OPCode under fcgi?