Ubuntu PHP缓存如何设置

在Ubuntu系统中，为PHP设置缓存可以通过多种方式实现，具体取决于你使用的PHP框架或内容管理系统（CMS）。以下是一些常见的缓存设置方法：

1. 使用OPcache

OPcache是PHP的一个内置扩展，可以显著提高PHP脚本的执行速度。以下是如何在Ubuntu上安装和配置OPcache的步骤：

安装OPcache

sudo apt update
sudo apt install php-opcache

配置OPcache

编辑PHP配置文件（通常是/etc/php/7.x/cli/php.ini或/etc/php/7.x/apache2/php.ini），添加或修改以下内容：

[opcache]
zend_extension=opcache.so
opcache.enable=1
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1

根据你的需求调整这些参数。

2. 使用Memcached或Redis

如果你需要更高级的缓存解决方案，可以考虑使用Memcached或Redis。

安装Memcached

sudo apt update
sudo apt install memcached php-memcached

配置Memcached

编辑PHP配置文件，添加或修改以下内容：

[memcached]
memcached.sess_consistency=consistent
memcached.sess_prefix=phpsess_
memcached.sess_lock_wait=1000
memcached.sess_lock_timeout=5
memcached.sess_lock_retry_interval=15
memcached.sess_lock_max_retry=3
memcached.sess_lock_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renewal_attempts=3
memcached.sess_lock_renewal_timeout=10
memcached.sess_lock_renewal_deadline=180
memcached.sess_lock_renewal_interval=60
memcached.sess_lock_renew