On 17.07.18 03:41, Igor Polishchuk wrote: > We are trying to use logical decoding for detecting database changes. > However, when we create a replication slot, the data processing pauses > if there are still transactions running from before the slot creation. > If I understand correctly, the slot is waiting for creating a consistent > snapshot and is blocked by the long transactions. > In our application, we don't need it, as we only want to see if some > tables were modified. Is it possible to create a logical replication > slot with NOEXPORT_SNAPSHOT option using jdbc? That doesn't do what you want. You still need to wait for the snapshot to be created; there is no way around that. The NOEXPORT_SNAPSHOT option just means that the snapshot, once created, won't be exported for use by other sessions. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
