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cache business objects tied to a user in Cache or Session?

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Francesco Sanfilippo

-- Moved from [aspngarchitecture] to [aspngcache] by Charles M. Carroll <Click here to reveal e-mail address> --Is it more efficient to cache a business object, say a User or Member class, in the .NET Cache object (keyed by the user's SessionID), or directly in the user's own Session object?Francesco_________________________________________________________________Send and receive Hotmail on your mobile device: http://mobile.msn.com

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Rob Howard (VIP)

It would be better to store this type of data in Session.

-----Original Message-----
From: Francesco Sanfilippo [mailto:Click here to reveal e-mail address]=20
Sent: Sunday, January 13, 2002 9:02 AM
To: aspngcache
Subject: [aspngcache] cache business objects tied to a user in Cache or
Session?

-- Moved from [aspngarchitecture] to [aspngcache] by Charles M. Carroll
<Click here to reveal e-mail address> --

Is it more efficient to cache a business object, say a User or Member
class,=20
in the .NET Cache object (keyed by the user's SessionID), or directly in
the=20
user's own Session object?

Francesco

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Francesco Sanfilippo

I thought so, thanks! Second part of question. Is it better to:

1. On Session_Start(), populate Session variables with the user data, and on
each Page_Load(), create a User class whose constructor gathers the data
from Session variables, and is disposed when page is finished.

2. On Session_Start(), create an instance of the User class, populate it
with all the user's data, store it in the user's Session. On Session_End(),
Dispose() of the User instance.

All I'm storing in the User instance are ints, bools, and strings, and of
course, any methods that users can call.

Francesco

[Original message clipped]

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John Crim

Assuming memory use is roughly equal, do whichever has less page
overhead. If you can avoid some processing work on every page hit with
#2, choose that option (which sounds like the best choice).

The situation where #1 would be attractive is if the User class has 0 or
low overhead ctor/dtor, and the User class consumes waaay more memory
(or holds onto other limited resources) than the Session variables
would.

Regards,

John Crim
WebGecko Software
http://www.webgecko.com

-----Original Message-----
From: Francesco Sanfilippo [mailto:Click here to reveal e-mail address]
Sent: Sunday, January 13, 2002 10:49 PM
To: aspngcache
Subject: [aspngcache] RE: cache business objects tied to a user in Cache
or Session?

I thought so, thanks! Second part of question. Is it better to:

1. On Session_Start(), populate Session variables with the user data,
and on
each Page_Load(), create a User class whose constructor gathers the data

from Session variables, and is disposed when page is finished.

2. On Session_Start(), create an instance of the User class, populate it

with all the user's data, store it in the user's Session. On
Session_End(),
Dispose() of the User instance.

All I'm storing in the User instance are ints, bools, and strings, and
of
course, any methods that users can call.

Francesco

[Original message clipped]

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Francesco Sanfilippo

Any other input on this? I just spent all day Sunday writing the class to
operate using method #1, but I will take a day to convert it to method #2 if
everyone agrees it is best.

Francesco

[Original message clipped]

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