RHEL/CentOS, Windows에 PHP apc 설치

Windows

1. http://dev.freshsite.pl/php-accelerators/apc.html 에서 다운로드 및 압축 해제
   1. Win7/2008 용 다운로드 - php_apc_3114_beta_php54_win7-2008.zip
2. 파일중에 php_apc.dll를 PHP 설치 폴더내 ext 에 복사

3. c:\windows\php.ini 에 다음 내용 추가

   extension=php_apc_3114_beta_php54_win7-2008.dll

RHEL /CentOS

1. WebTatic 이나 Remi 저장소 를 설치한다. (RHEL/CentOS php 5.4 설치 참고)

2. yum 으로 설치

   yum install php54w-pecl-apc

공통 설정

1. php.ini 에 다음 내용 추가

    Click here to expand...

   [apc]
   apc.enabled=1
   apc.shm_segments=1
   apc.shm_size=256M
   ;Relative to the number of cached files (you may need to watch your stats for a day or two to find out a good number)
   apc.num_files_hint=7000
   ;Relative to the size of WordPress
   apc.user_entries_hint=4096
   ;The number of seconds a cache entry is allowed to idle in a slot before APC dumps the cache
   apc.ttl=7200
   apc.user_ttl=7200
   apc.gc_ttl=3600
   ;Setting this to 0 will give you the best performance, as APC will not have to check the IO for changes. However, you must clear the APC cache to recompile already cached files. If you are still developing, updating your site daily in WP-ADMIN, and running W3TC set this to 1
   apc.stat=1
   ;This MUST be 0, WP can have errors otherwise!
   apc.include_once_override=0
   ;Only set to 1 while debugging
   apc.enable_cli=0
   ;Allow 2 seconds after a file is created before it is cached to prevent users from seeing half-written/weird pages
   apc.file_update_protection=2
   ;Leave at 2M or lower. WordPress does't have any file sizes close to 2M
   apc.max_file_size=2M
   ;Ignore files
   ;apc.filters = "/var/www/apc.php"
   apc.cache_by_default=1
   apc.use_request_time=1
   apc.slam_defense=0
   ;;apc.mmap_file_mask=/var/www/temp/apc.XXXXXX
   apc.stat_ctime=0
   apc.canonicalize=1
   apc.write_lock=1
   apc.report_autofilter=0
   apc.rfc1867=0
   apc.rfc1867_prefix =upload_
   apc.rfc1867_name=APC_UPLOAD_PROGRESS
   apc.rfc1867_freq=0
   apc.rfc1867_ttl=3600
   apc.lazy_classes=0
   apc.lazy_functions=0

2. apache httpd 재구동

Ref

• http://php.net/manual/kr/book.apc.php
• http://www.if-not-true-then-false.com/2012/php-apc-configuration-and-usage-tips-and-tricks/