On Aug 27, 2007, at 12:15 PM, Martijn van Oosterhout wrote:
> On Mon, Aug 27, 2007 at 09:12:17AM -0700, Jeff Amiel wrote:
>> Tracking for last few days.
>> Does not appear to happen when little or no user
>> activity (like Saturday) I don't know if that rules
>> out autovacuum or not (if no update threshholds are
>> reached, no vacuuming will take place anyway)
>
> I don't think I've seen it so far this thread, but what are your
> memory
> overcommit settings and allocated swap? At least on Linux you would
> need a significant chunk of swap to be able to work with that much
> memory, even with overcommit off. Check the rules for your system.
>
> Another thing I havn't seen mentioned: you appear to be on a 32-bit
> architecture and with 2GB shared_buffers you've lost half your address
> space on that alone. Perhaps you simply don't have enough contiguous
> address space to alloc 512MB.
The X4600 runs with 64-bit Dual Opterons.
Erik Jones
Software Developer | Emma®
erik@myemma.com
800.595.4401 or 615.292.5888
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