once-campfire/app/models/fragment_cache.rb

# Native view caches share one byte budget across every database generation.
class FragmentCache
  # Only callers that fingerprint every rendered dependency may omit the epoch.
  ContentKey = Data.define(:digest) do
    def cache_key
      digest
    end
  end

  STORE = ActiveSupport::Cache::MemoryStore.new(size: 64.megabytes)
  private_constant :STORE

  def self.store
    STORE
  end
end