DTS subscriptions track database changes by reading binary logs — the ordered record of every insert, update, and delete on the instance. Binary log access is disabled on RDS read-only instances, so DTS cannot use them as a subscription source.
DTS subscriptions track database changes by reading binary logs — the ordered record of every insert, update, and delete on the instance. Binary log access is disabled on RDS read-only instances, so DTS cannot use them as a subscription source.