[EMAIL PROTECTED] ("Luis Alberto Amigo Navarro") writes:
> we're running on sgi powerchallenge, 8 r10000 4-way smp, and we're
> getting bad performance from postgres, throughput increases from 1
> to 5 streams, but from 5 and above there is no further increase,
> performance analysis show high sleep waiting for resources
IIRC there is a bottleneck on calls to sleep() or similar on IRIX
SMP. All requests are dealt with on just one of the CPUs. I don't
recollect whether there is a way to work around that or whether
programs need to be rewritten.
--
Pete Forman -./\.- Disclaimer: This post is originated
WesternGeco -./\.- by myself and does not represent
[EMAIL PROTECTED] -./\.- opinion of Schlumberger, Baker
http://petef.port5.com (new) -./\.- Hughes or their divisions.
---------------------------(end of broadcast)---------------------------
TIP 2: you can get off all lists at once with the unregister command
(send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
