3.15.8 Released
3.15.7 Released
I think it ignores missing tables on the "config" channel (to handle different versions of SymmetricDS).
3.15.5 Released
This should be fixed for 3.15.5. Thanks for reporting it. https://issues.symmetricds.org/view.php?id=6343
3.15.4 Released
3.15.3 Released
You have settings correct to purge every 10 minutes and retain 1 hour of data. Batches and the data associated with them are purged after they are synced get a status of OK. If you have batches that are not OK, then they need to sync before they will purge: select count(*) from sym_outgoing_batch where status != 'OK'