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PowerSync is a full featured active/active sync service for a backend PostgreSQL, MongoDB, or MySQL database and supports a diverse variety, language/platform, of local SQLite3 clients. It offers a rich API for developers to configure and define the sync behavior.
The documentation, both architectural and API, is well written and easy to understand. The development team is responsive on the Discord chat and responding to issues.
Tests generate random multi operation transactions on each client and randomly introduce environmental faults and challenging user behaviors. At the end of test all transactions are analyzed for consistency and correctness.
We start with an isolated single user using SQLite3 locally and evolve to a fully distributed multi user environment requiring extensive sync and replication behavior.
✔️ Multi user, Active/Active PostgreSQL/SQLite3, with replication, using newly developed Causal getNextCrudTransaction() backend connector:
