you can 

delete session['anyvar']

or 

session.anybar = None

it will be saved this purging anyvar.



On Thursday, 7 September 2017 16:29:03 UTC-5, CDA wrote:
>
> Can we purge only a subset of sessions?
>
> On Sep 7, 2017 5:17 PM, "Anthony" <[email protected]> wrote:
>
>> On Thursday, September 7, 2017 at 1:18:10 PM UTC-4, Alex Glaros wrote:
>>>
>>> is it theoretically possible to leverage redis as a sessions store so 
>>> that web2py session can hold many of the things normally kept on the db?
>>>
>>> For example, could you store things like email-contacts and high-use 
>>> lookup tables usually accessed as tables on the db, but now in session vars 
>>> in order to reduce hits to the db?  (Db would only be accessed if there was 
>>> any change to the tables represented by session vars.)
>>>
>>
>> Keep in mind that the session is specific to each user, so you would only 
>> want to store data unique to each user. If you simply want to cache common 
>> database queries (that are not user specific), you can use the web2py cache 
>> system (including the DAL functionality to cache selects 
>> <http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#Caching-selects>).
>>  
>> You can use Redis for caching as well as for sessions: 
>> http://web2py.com/books/default/chapter/29/13/deployment-recipes#Caching-with-Redis
>> .
>>
>> Anthony
>>
>> -- 
>> Resources:
>> - http://web2py.com
>> - http://web2py.com/book (Documentation)
>> - http://github.com/web2py/web2py (Source code)
>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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