Because we can
Discussion and explanation relating to the Transactional NTFS feature coming in Longhorn, plus any other interesting anecdotes...
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Because we can
8 Jun 2005 8:36 PM
I confess: I'm breaking the first rule of blogging and talking about something I know nothing - literally, nothing - about.
When I first started this blog, lots of people were asking about Transactional Registry support. I guess somebody in MS agreed, because that project has been under development for some time now. It integrates with Transactional NTFS via KTM - the Kernel Transaction Manager - so that a single transaction can encompass both file and registry operations, and commit or rollback those changes together.
This is primarily designed to provide atomicity to application installs and updates on Longhorn; as always, creative uses are welcome and encouraged.
Update: Oh, I wanted to mention this. What this means is NTFS and Registry calls both understand the concept of Transactions. Who knows what will tomorrow? It's a good idea to remain in a transaction for as short a time as possible; switch to a transaction, do your work, and switch out again. You never know, somebody might want to read your setup log. And you don't want to have your newly-transacted-UI in 2020 rollback on you if the install fails...right?
If you have some really cutting questions you'd like to ask about this, shoot. Bear in mind I have no idea how to answer them, so if they're really good, I'll chase up an answer for you. Happy coding :)
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