How long is the list of databases you want to alias? Could you do it all in a 
proxy in front of couch? 


On Wednesday, 29 May 2013 at 02:23, Stephen Bartell wrote:

> Hi all. I'm not sure if the subject really is the right terminology for what 
> I'm trying to do.
> 
> What I want to do is maintain a routing table of database:destination pairs, 
> so that on my couchdb I can name my databases however I want. I want to 
> virtualize my database names.
> 
> I can see how this concept might be the basis for sharding. So maybe 
> something like this already exists. But sharding is not my goal here. I want 
> to use this mostly for maintenance. Oftentimes I need to do some work on a 
> database, like trimming it down or filtering some stuff out. This work can 
> take hours and I want the database always available to the end users. So for 
> example, I have a database endpoint called "database" which maps to 
> "database_a". In the background I might begin a filtered replication from 
> "database_a" to "database_b". Users can still access "database" while 
> "database_b" is being created. When the replication to "database_b" is done, 
> I want to change my proxy table so that requests to "database" now go to 
> "database_b". I can now forget about "database_a".
> 
> I'm sure many of you guys have run into this kind of thing before. What would 
> you guys recommend.
> 
> Thanks! 

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