I think you should take a look at Daffodil. I think it works across machines. I've never used it, but others who have, I thought, used it across machines.
David On 9/19/07, John C. Turnbull <[EMAIL PROTECTED]> wrote: > I am investigating the ins and outs of a system that consists of several > JVMs running on possibly separate machines all manipulating separate > instances of Derby that collectively are kept in synch - somehow. Does > anyone know of a possible solution to the synchronisation side of things or > am I dreaming? I am not sure if HA-JDBC or Daffodil Replicator can handle > the inter-machine communication issues. > > -JCT > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of David Van Couvering > > Sent: Wednesday, 19 September 2007 03:17 > > To: Derby Discussion > > Subject: Re: Derby and replication > > > > I think the responses you have heard so far talk about replication to > > provide availability (HA-JDBC, the ongoing Derby effort). > > > > What you are talking about is basically using Derby as a reliable > > front-end cache to a back-end database where the connection can be > > unavailable from time to time. > > > > What this is about is really synchronization, not replication. > > Synchronization is keeping two sometimes disconnected databases in > > synch. > > > > One product out there that works with Derby is Daffodil Replicator, > > see http://sourceforge.net/projects/daffodilreplica/. It's an open > > source project using the GPL license. > > > > David > > > > On 9/18/07, ad marginem <[EMAIL PROTECTED]> wrote: > > > Hello, > > > > > > I want to develop a program, using derby as a back-end. > > > > > > There will be a POS and a Warehouse module. They will use the same > > database > > > scheme, but they cannot use the same database because of reliability > > (in > > > case of broken connection the POS must not stop). > > > > > > So my question is: how to develop such a reliable workflow? > > Replication? Or > > > maybe there are some other options? If replication - how to implement > > it? > > > Are there any existing methods to replicate derby database? > > > > > > Thank you! > > > > > > > > > -- > > > по краям >
