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php.ini: disable opcache.huge_code_pages by default, clarify documentation #10336

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php.ini: disable opcache.huge_code_pages by default, clarify documentation #10336

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3a2b3c7
php.ini-production: disable opcache.huge_code_pages by default
MaxKellermann Jan 16, 2023
a64d107
php.ini-*: clarify opcache.huge_code_pages documentation
MaxKellermann Jan 16, 2023
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7 changes: 6 additions & 1 deletion php.ini-development
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Original file line number Diff line number Diff line change
Expand Up @@ -1888,7 +1888,12 @@ ldap.max_links = -1
;opcache.file_cache_fallback=1

; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
; This should improve performance, but requires appropriate OS configuration.
; Under certain circumstances (if only a single global PHP process is
; started from which all others fork), this can increase performance
; by a tiny amount because TLB misses are reduced. On the other hand, this
; delays PHP startup, increases memory usage and degrades performance
; under memory pressure - use with care.
; Requires appropriate OS configuration.
;opcache.huge_code_pages=0

; Validate cached file permissions.
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9 changes: 7 additions & 2 deletions php.ini-production
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Expand Up @@ -1890,8 +1890,13 @@ ldap.max_links = -1
;opcache.file_cache_fallback=1

; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
; This should improve performance, but requires appropriate OS configuration.
;opcache.huge_code_pages=1
; Under certain circumstances (if only a single global PHP process is
; started from which all others fork), this can increase performance
; by a tiny amount because TLB misses are reduced. On the other hand, this
; delays PHP startup, increases memory usage and degrades performance
; under memory pressure - use with care.
; Requires appropriate OS configuration.
;opcache.huge_code_pages=0

; Validate cached file permissions.
;opcache.validate_permission=0
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