Magento 2 Caching Strategies

Meet Magento Poland, Warsaw, November 24th to November 25th 2014.

Transcript

1. Meet Magento Poland 2014
   Meet Magento Poland 2014
   Marko Martinović
   Magento 2 Caching Strategies
   

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2. Meet Magento Poland 2014
   2.0 Platform Goals
   “Improved performance and scalability”
   

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3. Meet Magento Poland 2014
   Architecture
   Built on top of Zend_Cache
   

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4. Meet Magento Poland 2014
   Architecture
   Multiple frontend pools, each associated to
   one or two level backend adapter
   

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5. Meet Magento Poland 2014
   Architecture
   Each cache type with its own class enforcing
   specific cache tag
   

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6. Meet Magento Poland 2014
   Frontend Pools
   Out the box:
   • default - General type instances
   • page_cache - PageCache type instance
   

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7. Meet Magento Poland 2014
   Backend Adapters
   Cm_Cache_Backend_File as the default
   cache backend
   

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8. Meet Magento Poland 2014
   Backend Adapters
   All the usual suspects, with MongoDB
   adapter introduced
   

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9. Meet Magento Poland 2014
   Cache Types
   Good old
   ● Configuration
   ● Layouts
   ● Blocks HTML output
   ● Collections data
   ● EAV types and
   attributes
   ● Translations
   Brand New
   ● View files fallback
   ● View files pre-
   processing
   ● Integrations
   Configuration
   ● Integrations API
   Configuration
   ● Web Services
   Configuration
   ● PageCache
   

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10. Meet Magento Poland 2014
    Collections Data
    Fetch strategy interface with Query and
    Cache implementations
    

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11. Meet Magento Poland 2014
    Collections Data
    Store, Store Group, Website and Catalog
    Category collection cached
    

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12. Meet Magento Poland 2014
    EAV Types and Attributes
    Implemented to cache eav_entity_type
    table collection. Still here, still unused, still
    no one knows why.
    

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13. Meet Magento Poland 2014
    EAV Types and Attributes
    "One developer is working on it for a month,
    other comments it out for testing, third one is
    then afraid to enable it back"
    -Ivan Weiler @Inchoo
    

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14. Meet Magento Poland 2014
    View Files Fallback
    Requested asset is being searched for using
    fallback rules applied to fallback context
    

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15. Meet Magento Poland 2014
    View Files Fallback
    Path to requested asset resolved and
    cached
    

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16. Meet Magento Poland 2014
    View Files Pre-processing
    Pre-processing of Magento-flavoured CSS
    tricks like @magento_import, @import,
    scope notation file references and Less
    

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17. Meet Magento Poland 2014
    View Files Pre-processing
    Path to pre-processed asset cached
    

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18. Meet Magento Poland 2014
    PageCache
    Out the box:
    • PHP/AJAX based (Built-in)
    • Reverse proxy/ESI/AJAX based (Varnish)
    

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19. Meet Magento Poland 2014
    PageCache
    Caching controlled by ‘Cache-Control’:
    public, max-age=XY, s-maxage=XY
    vs.
    private, max-age=YZ
    vs.
    no-store, no-cache, must-revalidate, max-
    age=0
    

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20. Meet Magento Poland 2014
    PageCache
    Setting cacheable=false to some block
    results with whole page not being cached
    

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21. Meet Magento Poland 2014
    Hole Punching
    Setting _isScopePrivate to some block
    results with its content not being cached
    

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22. Meet Magento Poland 2014
    Hole Punching
    Setting ttl to some block results with its
    content being served through ESI and
    cached by Varnish
    

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23. Meet Magento Poland 2014
    Built-in
    Page cache saved through dedicated
    frontend instance by PHP code
    

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24. Meet Magento Poland 2014
    Built-in
    Dynamic blocks not cached and served
    exclusively through AJAX:
    Default welcome msg!
    

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25. Meet Magento Poland 2014
    Built-in
    Pros
    ● Works out the box with
    no special setup
    Cons
    ● Leaves a lot to be
    desired performance-
    wise
    

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26. Meet Magento Poland 2014
    Varnish
    

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27. Meet Magento Poland 2014
    Varnish
    Page cache maintained and served by
    reverse proxy
    

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28. Meet Magento Poland 2014
    Varnish
    Without ttl set, dynamic blocks not cached
    and served through AJAX
    

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29. Meet Magento Poland 2014
    Varnish
    With ttl set, dynamic blocks cached and
    served through ESI:
    
    

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30. Meet Magento Poland 2014
    Varnish
    Pros
    ● The best performing
    caching solution, if
    properly configured
    Cons
    ● The worst performing
    caching solution, if
    configured improperly
    ● Considerable setup and
    maintenance overhead
    ● Requires SSL
    termination proxy to
    support HTTPS
    

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31. Meet Magento Poland 2014
    Benchmarks Magento 2 (Alpha 102)
    Magento EE (1.14.0.1)
    

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32. Meet Magento Poland 2014
    Any questions?
    

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33. Meet Magento Poland 2014
    @MarkoTechyTalk
    Team Lead/MCD+ at Inchoo
    Thank you!
    

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