---------------------
User Entity:
/**
* User
*
* @ORM\Table()
* @ORM\Entity()
* @ORM\Cache(usage="NONSTRICT_READ_WRITE")
// ....
/**
* Cars of the user.
*
* @var ArrayCollection
* @ORM\Cache(usage="NONSTRICT_READ_WRITE")
* @ORM\OneToMany(targetEntity="Acme\CarBundle\Entity\Car", mappedBy="user")
*/
protected $cars;
----------------------
Car Entity:
* @ORM\Entity()
* @ORM\Table()
* @ORM\Cache(usage="NONSTRICT_READ_WRITE")
// ...
/**
* Owner of the car
*
* @var UserInterface
*
* @ORM\Cache(usage="NONSTRICT_READ_WRITE")
* @ORM\ManyToOne(targetEntity="Acme\UserBundle\Entity\User", inversedBy="cars")
* @ORM\JoinColumn(referencedColumnName="id")
*/
protected $user;
问题是，acme_userbundle_entity_user__cars永远不会点击缓存，但每次都会把它放入..
二级缓存：
acme_carbundle_entity_car cache hits: 8 // OK
acme_userbundle_entity_user cache hits: 6 // OK
acme_userbundle_entity_user__cars cache misses: 1 // WHY?
acme_userbundle_entity_user__cars cache puts: 1 // WHY?