picking up high watermark changes on sub sockets
picking up high watermark changes on sub sockets

virtdb/virtdb-fdw,starschema/virtdb-fdw,virtdb/virtdb-fdw,dbeck/virtdb-fdw,virtdb/virtdb-fdw,starschema/virtdb-fdw,dbeck/virtdb-fdw,dbeck/virtdb-fdw,starschema/virtdb-fdw,starschema/virtdb-fdw,virtdb/virtdb-fdw,dbeck/virtdb-fdw