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1. Is it necessary to keep DefaultDS provided by JBoss
jaikiran Jan 16, 2011 11:56 PM (in response to newguy2010)Some of the services in JBoss AS do use DefaultDS (although they can be configured to use some other datasource). Why do you want to touch that DefaultDS? You can just deploy your own datasource and use that datasource in your application. You don't have to worry about DefaultDS if you are not using it.
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2. Is it necessary to keep DefaultDS provided by JBoss
wdfink Jan 17, 2011 3:15 AM (in response to jaikiran)I'll prefere to remove or change the DefaultDS and move EJB-Timer and JBossMessaging (JBoss 4.x and 5.x) to another database because HSQL-DB use is not recommended in production.
ATM I'm not sure whether the HornetMQ use the default datasource any longer.
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3. Is it necessary to keep DefaultDS provided by JBoss
jaikiran Jan 17, 2011 3:22 AM (in response to wdfink)Wolf-Dieter Fink wrote:
ATM I'm not sure whether the HornetMQ use the default datasource any longer.
HornetQ, doesn't use any DB (it uses a HornetQ specific journal for persistence). So it doesn't rely on DefaultDS.
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4. Is it necessary to keep DefaultDS provided by JBoss
wdfink Jan 17, 2011 5:46 AM (in response to jaikiran)Thanks to jaikiran pai for updating me (I suppose it but know I know)
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5. Is it necessary to keep DefaultDS provided by JBoss
castrix Mar 1, 2011 9:47 AM (in response to newguy2010)IMO I believe that you could keep the DefaultDS using Hypersonic in a production environment.
Since JBoss 6 only use it to it's internal data there will be only one process touching it so you will not encounter that weekness of Hypersonic.
JBoss also creates the needed tables as memory tables, thereby getting a higher thruput compared to an external datasource.
All your deployed applications should, however, use appropriate external datasources.