Re: Insert takes too much time

By default, Solaris does async i/o. At least it tries to. The async calls fail quickly and Oracle retries with synch i/o.

Async i/o works on NT.
----- Original Message -----
From: Ronen Levit <ronen.levit_at_talmai.com> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Sent: Thursday, November 02, 2000 11:56 AM Subject: Insert takes too much time

> Hi all,
>
> I have two machines - NT4 (8.1.5.1) and Sun Solaris 2.7 (8.1.6). They both
> give same I/O performance outside of Oracle (on both read and write tests).
>
> When running simple procedure that inserts 10,000 / 100,000 / 1,000,000 rows
> into a simple table without indexes, I get results 3 times faster on the NT
> machine.
>
> Both instances have almost the same oraini. Of course the Solaris has better
> parameters on memory and cpu parameters, as it should be.
>
> Do you have any idea why there's a slight performance difference between the
> machines , and why the Sun is slower?! it's configuration should be at least
> as good as the NT.
>
> Thanks,
>
> Ronen Levit
> Database team leader
> www.talmai.com
> T: +972 8 9460606 #212
> F: +972 8 9460705
> C: +972 52 448699
>
>
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Received on Thu Nov 02 2000 - 15:27:24 CST