On Wed, Dec 06, 2000 at 08:00:44AM -0800, Jeffrey W. Baker wrote:
> On Wed, 6 Dec 2000, Matt Sergeant wrote:
>
> > On Tue, 5 Dec 2000, Jeffrey W. Baker wrote:
> >
> > > With J2EE you get the complete illusion that you are doing txns across as
> > > many data sources on as many systems and vendors as you want, but behind
> > > the illusion there is the nonzero risk that the data is inconsistent. In
> > > a real transactional system, you can never have inconsistent data.
> >
> > This thread is suffering from a severe lack of technical information. Can
> > you go into more technical detail on what that 0.01% is (and is caused
> > by)?
>
> Yup.
>
> Machine A is controlling a transaction across Machine X and Machine Y. A
> modifies a row in X and adds a row to Y. A commits X, which succeeds. A
> commits Y, which fails.
>
> Now what?
Isn't that what using a two-phased commit on X and Y is supposed to do:
allow you to back out of the half-committed transaction on X?
- Barrie
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