Ryan,
> > I do this, PG gets forked many times, it is tough to find the max
> > number of times I can do this, but I have a Proc::Queue Manager Perl
> > driver that handles all of the copy calls. I have a quad CPU machine.
> > Each COPY only hits ones CPU for like 2.1% but anything over about 5
> > kicks the load avg up.
That's consistent with Xeon problems we've seen elsewhere. Keep the # of
processes at or below the # of processors.
Moving pg_xlog is accomplished through:
1) in 8.0, changes to postgresql.conf
(in 8.0 you'd also want to explore using multiple arrays with
tablespaces to
make things even faster)
2) in other versions:
a) mount a seperate disk on PGDATA/pg_xlog, or
b) symlink PGDATA/pg_xlog to another location
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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