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Active Support's cache have for long been limited because
of its format. It directly serialize its `Entry` object with
`Marshal`, so any internal change might break the format.
The current shortcommings are:
- The minimum entry overhead is quite ridiculous:
`Marshal.dump(ActiveSupport::Cache::Entry.new("")).bytesize # => 107`
- Only the internal `value` is compressed, but unless it's a String, to do so
it first need to be serialized. So we end up with `Marshal.dump(Zlib.deflate(Marshal.dump(value)))`
which is wasteful.
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|---|---|---|
| .. | ||
| strategy | ||
| file_store.rb | ||
| mem_cache_store.rb | ||
| memory_store.rb | ||
| null_store.rb | ||
| redis_cache_store.rb | ||