[GitHub] [couchdb] nickva commented on issue #2382: CouchDB backup instance - zones vs replicas?

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nickva commented on issue #2382: CouchDB backup instance - zones vs replicas?
URL: https://github.com/apache/couchdb/issues/2382#issuecomment-569161119
 
 
   I have never tried adding zones later after the setup has been running for a while already. Also running a cluster over a WAN might need a bit of tweaking.
   
   Maybe someone else can chime in with more info about zones, I am not too familiar with it. (The  docs http://docs.couchdb.org/en/latest/cluster/databases.html should be here though).
   
   However, I'd like to offer an alternative - run regular replications from the primary cluster to the secondary. So set up a secondary database as a separate cluster and then have a script to discover dbs in the primary instance and set up regular CouchDB replications to the this disaster recovery cluster. You can tweak replication worker numbers, batch size and `[scheduler] max_jobs` to limit resources used. You'd get explicit monitoring, restart and backoff in case of network errors or disconnects, etc.

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