wohali commented on issue #278: Document best configuration settings for low-spec HW URL: https://github.com/apache/couchdb-documentation/issues/278#issuecomment-447390215 @mikeymckay If you're only running a single server, you are by your very nature `n=1`. If you use the Setup Wizard (either through Fauxton or the cli) and tell it you only have a single node, you will get `n=1`. The preferred deployment scenario for CouchDB 2.x is a minimum of 3 servers and `n=3` for full redundancy. This is far superior to using 2x `n=1` servers and replicating between them as we did in 1.x for many reasons that I'm not going to go into right now. As for `q`, Jan's advice is correct. The default `q=8` value was chosen because servers at the time tended to have 4 cores with 2 threads each. This matches well with multiple spindles, or a single SSD, for performance. (Remember that disk performance also is a critical factor for view building). Finally, if you don't make much use of JS views, or have migrated off onto the higher-performance Mango, you need less CPU, and the sharding will definitely improve your performance. As always, before putting anything into production, **test**. :)
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