Jernej Kos <kostko@xxxxxxxxxxxxxxxx> writes: > Well there should be no complex queries executed (there are some huge tables, > but the queries aren't huge or specially complicated). I tried attaching to > the process via gdb and the process is executing method: > HeapTupleSatisfiesSnapshot() > The backtrace appears to be useless (too many ??s). Is that of any help ? It's really hard to see how it could get to HeapTupleSatisfiesSnapshot() without being inside a query --- too bad you can't get a more usable backtrace. Is it worth recompiling with --enable-debug to investigate this? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to majordomo@xxxxxxxxxxxxxx)