> I am currently attempting to roll my own multiple database
> support for django for a new project.  I have attempted to
> search for examples of this but have not found very much.
> Does anyone have some examples on how I can accomplish this?


There are multiple facets to "multiple database" usage 
scenarios...which are you looking for?

1) federation:  "I've got data in multiple database sources and I 
want my Django app to pull from all of them to give a unified view"

2) load balancing A:  "I've got one database, but have replicated 
it master-master, and I want my Django instances to spread the 
load across these databases"

3) load balancing B:  "I've got one database, but have replicated 
it master-slave, and I want all my reads to go to the slave DBs, 
and all my writes to go to the master DB"

4) sharding:  "I've partitioned my data in $HUGE_TABLE across 
multiple servers (a-la big-table/hadoop) and need to be able to 
handle them transparently"

There may be other multi-db issues that I've missed, but knowing 
what you're trying to get the "multi-db" magic-wand to solve, the 
list can better help.

-tim




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