Re: [boost] [stldb] design details

Subject: Re: [boost] [stldb] design details
From: Phil Endecott (spam_from_boost_dev_at_[hidden])
Date: 2010-01-07 19:00:12

Hi Bob,

Bob Walters wrote:
> Right now, the interaction between the containers and the rest 
> of the transactional infrastructure is based off an approach 
> inspired by the stasis library 
> (http://tardis.cs.berkeley.edu/stasis/developers/html/main.html).  
> There is a concept of a transactionally aware object.  As 
> modifiers on transactionally aware objects are called, those 
> objects post 'TransactionalOperations' onto the transaction 
> passed to them.  These ops represent the means by which the 
> transaction can ultimately commit or rollback that operation 
> when the time comes.

Can you comment on the performance of this compared to a regular 
std::map<> or other data structure?  One potential benefit of memory 
mapping - compared to e.g. an SQL database connection - is that you 
should be able to get performance very close to regular 
"in-application" data access.

Regards,  Phil.