wohali commented on issue #1338: Configuring node "flavors" in a cluster
URL: https://github.com/apache/couchdb/issues/1338#issuecomment-399994363
 
 
   @kocolosk Yes, that does help, thank you!
   
   While we're bike-shedding it, `[roles]` seems good to me, with a full list 
of `type = {true|false}` clauses. it's obvious that the scope of a .ini file 
right now is a single node. (Changing it to be a cluster-wide ini file is out 
of scope for this issue.)
   
   Another thing that comes up often are nodes that are ephemeral 
(in-memory-only) replicas for performance. Many CouchDB users at scale are 
using Redis alongside (with nutty client libraries that know how to speak Redis 
and CouchDB) treated as write-thru caches. I'd love to see room for a native 
CouchDB implementation within your proposal. @chewbranca 's already prototyped 
this. Given we're talking about node roles, how would you separate the 
`storage` role between persistent and ephemeral storage? Would it be `storage = 
{ephemeral|persistent}` or similar?

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