On 2002.03.08 16:30:28 -0500 Ned Wolpert wrote:
> On Fri, 2002-03-08 at 14:31, Jon Ferguson wrote:
> > Hey I'm using PostreSQL so you may be my man!.. Synchronisation.. this
> may
> > sound weird but have you looked at using JMS for notification? I'll
> also be
> > playing in that pen over the next few months.
>
> I did this is a previous project with TopLink instead of Castor, using
> JMS. (Before TopLink had distributed cache) Basically, we 'caught' when
> an object was modified, grabbed its unique identifier, and sent that to
> the other servers. Each one was told to drop the object from its cache.
> We used WebLogic's JMS for that one.
How did you deal with the problem of:
A changes object 1 on server s1 and commits
B changes cached object 1 on server s2 and commits
notification arrives from s1 to s2 that cached object 1 is invalid
?
david jencks
>
> BTW, JBoss 3.0 has clustering support now.
>
> --
>
> Virtually,
> Ned Wolpert <[EMAIL PROTECTED]>
>
> D08C2F45: 28E7 56CB 58AC C622 5A51 3C42 8B2B 2739 D08C 2F45
>
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