instance method `prune`

Ruby on Rails 4.1.16

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

prune(target_size, max_time = nil)

To ensure entries fit within the specified memory prune the cache by removing the least recently accessed entries.

Parameters

target_size req
max_time opt = nil

Source

# File activesupport/lib/active_support/cache/memory_store.rb, line 53
      def prune(target_size, max_time = nil)
        return if pruning?
        @pruning = true
        begin
          start_time = Time.now
          cleanup
          instrument(:prune, target_size, :from => @cache_size) do
            keys = synchronize{ @key_access.keys.sort{|a,b| @key_access[a].to_f <=> @key_access[b].to_f} }
            keys.each do |key|
              delete_entry(key, options)
              return if @cache_size <= target_size || (max_time && Time.now - start_time > max_time)
            end
          end
        ensure
          @pruning = false
        end
      end

Defined in activesupport/lib/active_support/cache/memory_store.rb line 53 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Cache::MemoryStore

Signature

Parameters