How to setup JIT php 8.1 on ubuntu 20.04
How to setup JIT php 8.1 on ubuntu 20.04
1, Disable Xdebug
sudo mv /etc/php/8.1/mods-available/xdebug.ini /etc/php/8.1/mods-available/xdebug.ini.bak
2, Install Opcache
sudo apt-update install php-opcache
// Let install specify php8.1
sudo apt-update install php8.1-opcache
3, Setting turn on JIT
sudo vim /etc/php/8.1/mods-available/opcache.ini
; configuration for php opcache module
; priority=10
zend_extension=opcache.so
opcache.enable=1
opcache.enable_cli=1
opcache.jit_buffer_size=128M
opcache.jit=tracing
4, Test JIT with script
<?php
function isJitEnabled(): bool
{
if (!function_exists('opcache_get_status')) {
return false;
}
return !empty(opcache_get_status()['jit']['enabled']);
}
echo isJitEnabled() ? 'Enabled' : 'Disabled';
5, Good for you !!
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