"Vince Negri" <vnegri@xxxxxxxxxxxxxxxxxxxxx> writes: > What causes the file handles of the truncated table to be released by all postmaster processes? It should happen when the other backends process the sinval message about the TRUNCATE, which at the latest should be the next time they begin command execution. What were the other clients doing, just sitting idle? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match