Jonathan,
Can I define in one controller configuration file, 3 different virtual
databases and their backends w/recovery logs?
You can load as many virtual database configuration files as you want in
a controller.
Controller and virtual database configuration files must be different,
but having multiple virtual database configurations in the same file
should work.
Currently I have 4 databases, (mysql, foobar1, foobar2, foobar3) and 4
controllers. I'd like to have one controller (eventually 2 on different
hosts), talking to all of the backends, recovery tables, etc.
Yes you can have 1 controller and load the 4 virtual databases in it.
Furthermore can I define all virtualdatbases within one configuration
file? So when I load virtualdatabase configuration /path/to/vdb.xml the
command show virtualdatabases will list all databases in question?
I am not sure that the 'load virtual database' command of the console
allows that, but in your controller config file you can specify to the
controller which virtual database to load from which file (eventually
the same one) at startup time.
Thanks for your interest in Sequoia,
Emmanuel
--
Emmanuel Cecchet - Research scientist
EPFL - LABOS/DSLAB - IN.N 317
Phone: +41-21-693-7558
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