"Peter Bauer" <peter.m.bauer@xxxxxxxxx> writes: > yes, there are about 10 postmaster processes in top which eat up all > of the CPU cycles at equal parts. What are these processes doing exactly --- can you show us the queries they're executing? It might be worth attaching to a few of them with gdb to get stack traces, to see if there's any commonality about the traces: $ gdb /path/to/postgres PID-of-backend gdb> bt gdb> quit are you sure? y $ <repeat with other backends, and/or same backend after a few sec> regards, tom lane
