Yes If you use TDB in transactional mode (which I believe Fuseki will do by default - Andy can probably confirm if this is accurate) then TDB uses write ahead logging to provide ACID guarantees
http://jena.apache.org/documentation/tdb/tdb_transactions.html Rob On 5/2/13 1:12 PM, "Bill Roberts" <b...@swirrl.com> wrote: >Does Fuseki/TDB have the option of storing transaction logs (in the style >of most SQL databases), to allow a history of updates to be replayed - eg >to recover after a problem, or for synchronising databases? > >Thanks > >Bill > > > > >