[Twisted-Python] Caching mechanism

[vitaly at synapticvision.com]

Such global variable(lets say dictionary) will have any size limit?

Quoting "Andy Fundinger" <Andy at NewWorldElectric.com>:

> Part of the beauty of twisted is that you don't actually need to do anything
> special to achieve that, just create a global dict or other object of your
> choice and access it as needed.  More likely what you need to look for is a
> cache expiration mechanism, I've linked in lrucache (
> http://pypi.python.org/pypi/lrucache/0.2) in one case, but usually I just
> write my own constraints as appropriate.
>
> It's often misunderstood, but in twisted you are writing an actual server
> rather than just some methods for servicing requests.  The server will run
> until stopped and all global or even local variables will remain in memory
> unless deleted or dereferenced and garbage collected.  Rather than doing
> something special to get a persistent variable you need to do something
> special when you want a non-persistent one.
>
> -Andy
>
> On Mon, Nov 9, 2009 at 2:28 PM, <vitaly at synapticvision.com> wrote:
>
>>
>>
>> Caching the results of some particular method calls, so other server
>> side methods can access those results (I'm thinking about example of
>> global variable per entire server, so once imported, such variable
>> content could be access).
>>
>>
>>
>> Quoting exarkun at twistedmatrix.com:
>>
>> > On 05:41 pm, vitaly at synapticvision.com wrote:
>> >> hi,
>> >> is there any cache mechanism for twisted? Could one point me please to
>> >> that docs?
>> >
>> > What sort of caching are you interested in?  Caching the results of
>> > method calls?  A caching HTTP proxy?  Caching in the DNS client?  The
>> > total list of possibilities could run to many pages. :)
>> >
>> > Jean-Paul
>> >
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>>
>>
>>
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