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PHP-FPM Enable/Disable Zend Opcache per vhosts

Discussion in 'Nginx, PHP-FPM & MariaDB MySQL' started by Milano, Apr 2, 2015.

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  1. Apr 2, 2015 #1
    Milano

    Milano New Member

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    As the title, I have a vhost for test environment and i want to disable zend opcache for this vhost. Is this possible? Or is there anyway to clear the cache via PHP.
     
  2. Apr 2, 2015 #2
    eva2000

    eva2000 Administrator Staff Member

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    Unfortunately, right now there is no out of box support for per Nginx vhost PHP opcode caching like you suggested. Only way is to create multiple PHP-FPM pools (there's only a single pool in Centmin Mod) and setup that Nginx vhost's domain.com.conf to use a new PHP-FPM pool and set in that pools' separate php-fpm.conf config file add an option for

    Code:
    php_admin_flag[opcache.enable] = off
    Probably easier to have 2 separate VPS servers one with Zend Opcache enabled and one without for long term tests.
     
  3. Apr 2, 2015 #3
    nVidian

    nVidian Member

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    Yes, you can. If I'm not mistaken. This is what I do:

    1. EDIT ZENDOPCACHE.INI ( I used nano as editor, you can use any editor)
    Code:
    nano /etc/centminmod/php.d/zendopcache.ini
    2. ADD THIS LINE TO IT (I place it at the end of file). Of course you can place opblacklist.txt to any folder you like. I place it at cetminmod/php.d folder
    Code:
    opcache.blacklist_filename=/etc/centminmod/php.d/opblacklist.txt
    SO THIS IS MY ZENDOPCACHE.INI AS SAMPLE
    Code:
    zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20121212/opcache.so
;opcache.error_log=/var/log/php_opcache_error.log
opcache.enable=1
opcache.memory_consumption=256
opcache.interned_strings_buffer=8
opcache.max_wasted_percentage=5
opcache.max_accelerated_files=8000
opcache.revalidate_freq=180
opcache.fast_shutdown=1
opcache.enable_cli=0
opcache.save_comments=1
opcache.enable_file_override=1
opcache.validate_timestamps=1
opcache.blacklist_filename=/etc/centminmod/php.d/opblacklist.txt
    3. EDIT THE OPBLACKLIST.TXT
    Code:
    nano /etc/centminmod/php.d/opblacklist.txt
    4. NOW TYPE THE FOLDER YOU WANT ZEND OPCACHE TO EXCLUDE
    Code:
    /home/nginx/domains/yourdomain.com/*
    SAVE
    RESTART PHP-FPM
    Code:
    service php-fpm restart
    NOW ZENDOPCACHE WILL NOT CACHE EVERYTHING IN /home/nginx/domains/yourdomain.com folder . Now you can develop your site easily without headache.


    DONT FORGET TO DELETE THAT LINE FROM OPBLACKLIST.TXT WHEN YOUR SITE IS READY FOR PRODUCTION. YOUR SITE WILL BE FASTER WITH ZEND OPCACHE CACHING.


    ALSO YES, JUST TYPE
    Code:
    service php-fpm restart
    And your ZendOpcache will also purge its cache

    I'M NOT AN EXPERT SO PLEASE FORGIVE & CORRECT ME IF I'M WRONG
     
    Last edited: Apr 2, 2015
  4. Apr 2, 2015 #4
    eva2000

    eva2000 Administrator Staff Member

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    ah so I was mistaken ! Thanks @nVidian (y)

    wow totally forgot about the blacklist option see PHP: Runtime Configuration - Manual

    as to clearing cache, I read that from @Milano post that he wants to clear cache from PHP file itself ? But yes restart PHP-FPM service will clear cache
     
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