Document updating in couchbase

Question

In couchbase are updates implemented as copies of the original record written out to a new location, which likely requires updating of indexes as well OR are updates done in-place when only a few fields have changed on the document.

Answer 1

Couchbase storage follows append-only storage model. Find more details at: https://developer.couchbase.com/documentation/server/4.6/architecture/storage-architecture.html