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Why the Magento 2 “Collection Data” Cache is used not for all entities?


Why Can't Magento Turn Off The Cache When Redis FailsMagento 2: What Determines if a Request is “Full Page Cacheable”Dealing with collections from my model in Magento 2Magento 2 : How to generate a collection from data modelsMagento 2 : Can a single UI Component node have more than one collection?Magento 2 : How to get top 10 repeated values in a column using CRUD instead of sql?Magento 2 Where (code) are the filters from the layered navigation applied to the product collection?Magento 2.2.4 - Modifying Cache configs via CLI or env.php not working when Opcache EnabledMagento 2 - Clear cache in 3 Servers programatically?how to get all the attributes and values for all product entities from product collection model













4















In my practice I've never really faced with situation that it was needed to clean the collection cache. It is strange)

I checked and detected that the magento uses the collection cache only for 4 entities:



website
store_group
store
category


These entities uses for their collections the virtual types based on



MagentoFrameworkDataCollectionDbFetchStrategyCache


which in turn uses MagentoFrameworkAppCacheTypeCollection for defining the cache type - collection.



You can find the all SQL-queries which used (after md5 tranformation) as cache keys - see the fetchAll method.



And these SQL-queries only to tables which related to entities listed above.



Why doesn't magento use the collection cache for other entities, such as products or CMS-pages?



When should we use the collection cache for own custom entities?










share|improve this question





























    4















    In my practice I've never really faced with situation that it was needed to clean the collection cache. It is strange)

    I checked and detected that the magento uses the collection cache only for 4 entities:



    website
    store_group
    store
    category


    These entities uses for their collections the virtual types based on



    MagentoFrameworkDataCollectionDbFetchStrategyCache


    which in turn uses MagentoFrameworkAppCacheTypeCollection for defining the cache type - collection.



    You can find the all SQL-queries which used (after md5 tranformation) as cache keys - see the fetchAll method.



    And these SQL-queries only to tables which related to entities listed above.



    Why doesn't magento use the collection cache for other entities, such as products or CMS-pages?



    When should we use the collection cache for own custom entities?










    share|improve this question



























      4












      4








      4


      1






      In my practice I've never really faced with situation that it was needed to clean the collection cache. It is strange)

      I checked and detected that the magento uses the collection cache only for 4 entities:



      website
      store_group
      store
      category


      These entities uses for their collections the virtual types based on



      MagentoFrameworkDataCollectionDbFetchStrategyCache


      which in turn uses MagentoFrameworkAppCacheTypeCollection for defining the cache type - collection.



      You can find the all SQL-queries which used (after md5 tranformation) as cache keys - see the fetchAll method.



      And these SQL-queries only to tables which related to entities listed above.



      Why doesn't magento use the collection cache for other entities, such as products or CMS-pages?



      When should we use the collection cache for own custom entities?










      share|improve this question
















      In my practice I've never really faced with situation that it was needed to clean the collection cache. It is strange)

      I checked and detected that the magento uses the collection cache only for 4 entities:



      website
      store_group
      store
      category


      These entities uses for their collections the virtual types based on



      MagentoFrameworkDataCollectionDbFetchStrategyCache


      which in turn uses MagentoFrameworkAppCacheTypeCollection for defining the cache type - collection.



      You can find the all SQL-queries which used (after md5 tranformation) as cache keys - see the fetchAll method.



      And these SQL-queries only to tables which related to entities listed above.



      Why doesn't magento use the collection cache for other entities, such as products or CMS-pages?



      When should we use the collection cache for own custom entities?







      magento2 cache






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 3 hours ago







      sergei.sss

















      asked 3 hours ago









      sergei.ssssergei.sss

      596412




      596412






















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