Hi, Jeff & all, Jeff Davis wrote: > (2) You have a long-running transaction that never completed for some > strange reason. I just asked myself whether a 2-phase-commit transaction that was prepared, but never committed, can block vacuuming and TID recycling. Markus -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org