OPcache settings for wordpress nginx php-fpm ubuntu


opcache.revalidate_freq=0   disable cache expiry check until php-fpm restarts

opcache.validate_timestamps=0  when this enable aboe option works

opcache.max_accelerated_files=7963   you can check how much amount of php files in your directory aailble for executing this command (find /var/www/html/ -iname *.php|wc -l)

opcache.memory_consumption=192  (amount of shared memory fromyour serer ram)

opcache.interned_strings_buffer=16   (RAM for strings to cache them as array)

opcache.fast_shutdown=1  (enables fast  reset of cache)

sudo nano /etc/php/7.2/fpm/php.ini



opcache.max_accelerated_files you can use this Bash one-liner to get the number of PHP files in your project:
find /var/www/html/ -iname *.php|wc -l

amount memory to allocate

Memory 1048
adjust to your need sopcache.max_accelerated_files=10000 #

opcache.validate_timestamp=0 revalidate (1 is enable if)
opcache.revalidate_freq=86000   /php code not worked in wp dashboard ga analytics.
opcache.error_log= /var/log/nginx/opcahce_error.log
so i reduced alidatefreq,memory,  max accelaratd files.

; Determines if Zend OPCache is enabled

; Determines if Zend OPCache is enabled for the CLI version of PHP

; The OPcache shared memory storage size.

; The amount of memory for interned strings in Mbytes.

; The maximum number of keys (scripts) in the OPcache hash table.
; Only numbers between 200 and 1000000 are allowed.

; The maximum percentage of “wasted” memory until a restart is scheduled.

; When this directive is enabled, the OPcache appends the current working
; directory to the script key, thus eliminating possible collisions between
; files with the same name (basename). Disabling the directive improves
; performance, but may break existing applications.

; When disabled, you must reset the OPcache manually or restart the
; webserver for changes to the filesystem to take effect.

; How often (in seconds) to check file timestamps for changes to the shared
; memory storage allocation. (“1” means validate once per second, but only
; once per request. “0” means always validate)

; Enables or disables file search in include_path optimization

; If disabled, all PHPDoc comments are dropped from the code to reduce the
; size of the optimized code.

; If enabled, a fast shutdown sequence is used for the accelerated code
; Depending on the used Memory Manager this may cause some incompatibilities.

; Allow file existence override (file_exists, etc.) performance feature.

; A bitmask, where each bit enables or disables the appropriate OPcache
; passes


; The location of the OPcache blacklist file (wildcards allowed).
; Each OPcache blacklist file is a text file that holds the names of files
; that should not be accelerated. The file format is to add each filename
; to a new line. The filename may be a full path or just a file prefix
; (i.e., /var/www/x blacklists all the files and directories in /var/www
; that start with ‘x’). Line starting with a ; are ignored (comments).

; Allows exclusion of large files from being cached. By default all files
; are cached.

; Check the cache checksum each N requests.
; The default value of “0” means that the checks are disabled.

; How long to wait (in seconds) for a scheduled restart to begin if the cache
; is not being accessed.

; OPcache error_log file name. Empty string assumes “stderr”.

; All OPcache errors go to the Web server log.
; By default, only fatal errors (level 0) or errors (level 1) are logged.
; You can also enable warnings (level 2), info messages (level 3) or
; debug messages (level 4).

; Preferred Shared Memory back-end. Leave empty and let the system decide.

; Protect the shared memory from unexpected writing during script execution.
; Useful for internal debugging only.

; Allows calling OPcache API functions only from PHP scripts which path is
; started from specified string. The default “” means no restriction

; Mapping base of shared memory segments (for Windows only). All the PHP
; processes have to map shared memory into the same address space. This
; directive allows to manually fix the “Unable to reattach to base address”
; errors.

; Enables and sets the second level cache directory.
; It should improve performance when SHM memory is full, at server restart or
; SHM reset. The default “” disables file based caching.

; Enables or disables opcode caching in shared memory.

; Enables or disables checksum validation when script loaded from file cache.

; Implies opcache.file_cache_only=1 for a certain process that failed to
; reattach to the shared memory (for Windows only). Explicitly enabled file
; cache is required.

; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
; This should improve performance, but requires appropriate OS configuration.

; Validate cached file permissions.

; Prevent name collisions in chroot’ed environment.




don’t restart php-fpm

restratingg ngin serer doesn’t take effct on php-fpm . so we hae to reload/ restart the php serer in nginxx.


service php7.0-fpm reload

service php7.0-fpm restart

start /stop/ status you can use these along with above two commands.

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