Re: database network performance requirements
From: Frank van Bortel <frank.van.bortel_at_gmail.com>
Date: Wed, 03 Feb 2010 10:00:29 +0100
Message-ID: <561b7$4b693b2e$524ba3af$13052_at_cache4.tilbu1.nb.home.nl>
Ryan_Hoffman wrote:
> I'm doing some research on network performance requirements for
> database applications. I was wondering if anyone in this group would
> be willing to share their opinions regarding specific values that
> should be used as targets (latency/delay, jitter, packet loss).
> Various vendor documentation provides some guidelines (latency: Oracle
> SYNC = ≤ 10 ms, SQL Clustering ≤ 100 ms; loss: Oracle On Demand ≤
> 0.1%). I was hoping to hear what database administrators look for
> when purchasing wide area network services.
>
> Thanks!
Date: Wed, 03 Feb 2010 10:00:29 +0100
Message-ID: <561b7$4b693b2e$524ba3af$13052_at_cache4.tilbu1.nb.home.nl>
Ryan_Hoffman wrote:
> I'm doing some research on network performance requirements for
> database applications. I was wondering if anyone in this group would
> be willing to share their opinions regarding specific values that
> should be used as targets (latency/delay, jitter, packet loss).
> Various vendor documentation provides some guidelines (latency: Oracle
> SYNC = ≤ 10 ms, SQL Clustering ≤ 100 ms; loss: Oracle On Demand ≤
> 0.1%). I was hoping to hear what database administrators look for
> when purchasing wide area network services.
>
> Thanks!
Never heard any DBA being consulted before LAN and/or WAN
purchases.
DBA's usually learn to live with the "It's the database that's
performing badly!" accusations afterwards. By then, the seagull
known as interim manager or sales consultant is flown.
-- Regards, Frank van Bortel Topposting in Usenet groups I regard as offensive - I will not replyReceived on Wed Feb 03 2010 - 03:00:29 CST