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 and the configuration in Linux.ArticleMany

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?