在具有中央ElastiCache(redis)群集的多个AWS EC2实例上运行分布式SF3.3应用程序。具有Doctrine 2二级缓存和Symfony 3.3的多区域缓存
每个EC2实例还运行用于Doctrine元和查询缓存的本地Redis实例。
此应用程序使用Doctrines Second Level Cache,从功能的角度来看,它工作得非常好。但是AWS上的性能很差(900-1200毫秒页面加载),这是因为它在我们的许多页面上需要加载的我们的Country和VatRate实体所进行的400多次缓存调用。
由于这些Country和VatRate实体很少发生变化,我想通过使用二级缓存中定义的不同区域来利用本地Redis实例和ElastiCache进行结果缓存。这应该可以减少400+缓存调用的延迟问题,因为在单个页面加载时运行时间小于100毫秒。阅读文档这一切似乎都是可能的,只是不完全确定如何使用Symfony和PHP-Cache进行配置。
当前配置的一个例子:
应用/配置/ config.yml
doctrine:
dbal:
# .. params
orm:
auto_generate_proxy_classes: "%kernel.debug%"
entity_managers:
default:
auto_mapping: true
second_level_cache:
enabled: true
region_cache_driver:
type: service
id: doctrine.orm.default_result_cache
cache_adapter:
providers:
meta: # Used for version specific
factory: 'cache.factory.redis'
options:
host: 'localhost'
port: '%redis_local.port%'
pool_namespace: "meta_%hash%"
result: # Used for result data
factory: 'cache.factory.redis'
options:
host: '%redis_result.host%'
port: '%redis_result.port%'
pool_namespace: result
cache:
doctrine:
enabled: true
use_tagging: true
metadata:
service_id: 'cache.provider.meta'
entity_managers: [ default ]
query:
service_id: 'cache.provider.meta'
entity_managers: [ default ]
result:
service_id: 'cache.provider.result'
entity_managers: [ default ]
SRC /的appbundle /实体/ Country.php
/**
* @ORM\Table(name = "countries")
* @ORM\Cache(usage = "READ_ONLY")
*/
class Country
{
// ...
/**
* @var VatRate
*
* @ORM\OneToMany(targetEntity = "VatRate", mappedBy = "country")
* @ORM\Cache("NONSTRICT_READ_WRITE")
*/
private $vatRates;
// ...
}
src/AppBundle/Entity/VatRate.php
/**
* @ORM\Table(name = "vatRates")
* @ORM\Cache(usage = "READ_ONLY")
*/
class VatRate
{
// ...
/**
* @var Country
*
* @ORM\ManyToOne(targetEntity = "Country", inversedBy = "vatRates")
* @ORM\JoinColumn(name = "countryId", referencedColumnName = "countryId")
*/
private $country;
// ...
}
的src /的appbundle /实体/ Order.php
/**
* @ORM\Table(name = "orders")
* @ORM\Cache(usage = "NONSTRICT_READ_WRITE")
*/
class Order
{
// ...
/**
* @var Country
*
* @ORM\ManyToOne(targetEntity = "Country")
* @ORM\JoinColumn(name = "countryId", referencedColumnName = "countryId")
*/
private $country;
// ...
}
尝试配置
应用程序/配置/ config.yml
doctrine:
dbal:
# .. params
orm:
auto_generate_proxy_classes: "%kernel.debug%"
entity_managers:
default:
auto_mapping: true
second_level_cache:
enabled: true
region_cache_driver: array
regions:
local:
type: service
service: "doctrine.orm.default_result_cache" # TODO: needs to be local redis
remote:
type: service
service: "doctrine.orm.default_result_cache" # TODO: needs to be remote redis
cache_adapter:
providers:
meta: # Used for version specific
factory: 'cache.factory.redis'
options:
host: 'localhost'
port: '%redis_local.port%'
pool_namespace: "meta_%hash%"
result: # Used for result data
factory: 'cache.factory.redis'
options:
host: '%redis_result.host%'
port: '%redis_result.port%'
pool_namespace: result
cache:
doctrine:
enabled: true
use_tagging: true
metadata:
service_id: 'cache.provider.meta'
entity_managers: [ default ]
query:
service_id: 'cache.provider.meta'
entity_managers: [ default ]
result:
service_id: 'cache.provider.result'
entity_managers: [ default ]
的src /的appbundle /实体/ Country.php
/**
* @ORM\Table(name = "countries")
* @ORM\Cache(usage = "READ_ONLY", region = "local")
*/
class Country
{
// as above
}
的src /的appbundle /实体/ VatRate.php
/**
* @ORM\Table(name = "vatRates")
* @ORM\Cache(usage = "READ_ONLY", region = "local")
*/
class VatRate
{
// as above
}
的src /的appbundle /实体/ Order.php
/**
* @ORM\Table(name = "orders")
* @ORM\Cache(usage = "NONSTRICT_READ_WRITE", region = "remote")
*/
class Order
{
// as above
}
导致
Type error: Argument 1 passed to Doctrine\ORM\Cache\DefaultCacheFactory::setRegion() must be an instance of Doctrine\ORM\Cache\Region, instance of Cache\Bridge\Doctrine\DoctrineCacheBridge given,
不太确定从哪里开始,一直在测试这里工作:https://github.com/doctrine/DoctrineBundle/blob/74b408d0b6b06b9758a4d29116d42f5bfd83daf0/Tests/DependencyInjection/Fixtures/config/yml/orm_second_level_cache.yml但缺乏配置文件,这使得它更具挑战性!
谢谢,问题是试图正确地创建这些服务。正如我对待尝试的配置 - app/config/config.yml的todo评论中所述 – Nick