Thanks for the replies, Rick and Narayanan! I will look into the documentation some more and see if we can use this feature.
Regards, Sai Pullabhotla On Fri, May 16, 2008 at 12:33 AM, Narayanan <[EMAIL PROTECTED]> wrote: > Sai Pullabhotla wrote: >> >> Rick, >> >> Thanks for the reply. I briefly looked at the 10.4. documentation and >> it seems that the replication is designed for Derby running as a >> network server. Is this true? >> > > No it is not true. You can run replication in the embedded mode also. >> >> Our application runs Derby in embedded mode and our customers are >> wanting to replicate the application on a regular basis (as and when >> any file/data changes) to the HA systems. What would be our options >> here to keep the Derby database up-to-date on the HA system? >> > > I am worried about what you mean by up to date here. You see replication in > derby is > asynchronous, we only promise transaction consistency. You can read some > more on replication > in derby here > > http://wiki.apache.org/db-derby/ReplicationWriteup > > You can replicate an existing embedded database following the steps listed > here. You will find > the combination of the documentation in derby and this wiki comprehensive, > feel free to raise > any doubts you have. > > Narayanan >> >> Thanks and Regards, >> Sai Pullabhotla >> >> On Thu, May 15, 2008 at 12:14 PM, Rick Hillegas >> <[EMAIL PROTECTED]> wrote: >> >>> >>> Hi Sai, >>> >>> Single-node master/slave replication with manual failover was added to >>> Derby >>> in version 10.4. You should not try to manually copy a Derby database >>> which >>> is in use. >>> >>> Hope this helps, >>> -Rick >>> >>> Sai Pullabhotla wrote: >>> >>>> >>>> Hello, >>>> >>>> We have a need to replicate Derby Database from the production system >>>> to the High Availability system. The software we use monitors for any >>>> file changes on the production system and replicates the changed files >>>> to the High Availability system. My question is - >>>> >>>> Is it safe to copy the Derby data files to another system while the >>>> database is in use on the source system? Will the database on the >>>> destination still be usable if we do this? >>>> >>>> Thanks & Regards, >>>> >>>> -- >>>> Sai Pullabhotla >>>> www.jMethods.com >>>> >>>> >>> >>> >> >> >> >> > > -- Sai Pullabhotla Phone: (402) 408-5753 Fax: (402) 408-6861 www.jMethods.com
