[development] Increase performance of caching

[Gerhard Killesreiter]

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Jeff Fillmore schrieb:
>> That's interesting, Jeff.  Are you using a stock Drupal  
>> installation?  I'm wondering what these duplicate cache lookup (or  
>> queries) are ... do you happend to have a list of those?
> 
> Dries,  I'm using a stock installation. Here is the list (This is taken from the http://www.example.com/node):
> 
> variables
> 0:en
> views_with_inline_args:en
> content:45:45
> 1:d41d8cd98f00b204e9800998ecf8427e
> content_type_info
> fieldgroup_data
> fieldgroup_data
> fieldgroup_data
> fieldgroup_data
> content:41:41
> 1:d41d8cd98f00b204e9800998ecf8427e
> fieldgroup_data
> content:40:40
> 1:8eab40327f397b49b80fd45500fb61ce
> fieldgroup_data
> content:39:39
> fieldgroup_data
> content:38:38
> 1:d41d8cd98f00b204e9800998ecf8427e
> fieldgroup_data
> content:37:37
> 1:d41d8cd98f00b204e9800998ecf8427e
> fieldgroup_data
> fieldgroup_data
> 
> As you can see fieldgroup_data is called 10 time, and 1:d41d8cd98f00b204e9800998ecf8427e is called 4 times 
> 

1:d41d8cd98f00b204e9800998ecf8427e is probably a filtered value (check
in the cache_filter table). Caching makes probably sense in this case.

Cheers,
	Gerhard
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