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Data Sync Locally on Device

    March 23, 2025
    + 12

    Description — Couchbase Lite Database Sync - Synchronize changes between databases on the same device
    Related Content — Remote Sync using Sync Gateway | Landing P2Psync

    Overview

    Couchbase Lite supports replication between two local databases. This allows a Couchbase Lite replicator to store data on secondary storage. It is especially useful in scenarios where a user’s device may be damaged and its data moved to a different device.

    Example 1. Replication between Local Databases
    swift
    ViewCopy
    let targetDatabase = DatabaseEndpoint(database: database2)
let config = ReplicatorConfiguration(database: database, target: targetDatabase)
config.replicatorType = .push

self.replicator = Replicator(config: config)
self.replicator.start()

    Note: The code does not compile in Couchbase Lite Community Edition.

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