>Since the postmaster is a single unthreaded process, it's quite
>impossible for it to take up 100% of two CPUs. Could you be more
>precise about which processes were eating CPU, and what they were
>doing according to the available state data? (ps auxww and
>pg_stat_activity can be helpful tools.)
>
> regards, tom lane
I shut down all our clients (all java except one in perl), and
pg_stat_activity showed that there was still one query active. That's
a good table to know about! Anyway, it didn't end until I sent it a
TERM signal. I assume this means there's a runaway query somewhere,
which I'll have to hunt down.
But if the client dies, doesn't postgresql normally terminate the
query that that client initiated? Or do I need to set
statement_timeout?
(As for the 100% CPU, I was confused by the fact that I was getting
two lines in "top" (on Linux) with 99% utilization---I assume with two
runaway queries.)
Thanks for your help!
-Mike
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