Re: SQL 2000 Load Balancing Question
- From: Jeffrey K. Ericson <JeffreyKEricson@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 6 Jun 2005 12:41:05 -0700
You are speaking of a federated server which incurs the need to write a bunch
of pieces to direct data.
"Geoff N. Hiten" wrote:
> So far, the upper limits of hardware are well beyond what any decently
> written application could use. Some applications lend themselves to
> horizontal partitioning while others don't. You are running a good
> dual-processor box and are only at the beginning of your upgrade journey.
> You can go with many more processors, lots of memory, and superfast IO
> subsystems. The real key is to understand what resources your system
> consumes in what ratio so you can make intelligent decisions about your
> hardware upgrades. I am pretty sure Dell has some tools available to help
> size a SQL database server but you will still have to monitor your system
> and gather some meaningful information.
>
> Good luck,
>
> Geoff N. Hiten
> Microsoft SQL Server MVP.
>
>
> "Kate Smith" <ksmith2000@xxxxxxxxx> wrote in message
> news:%23aGvbL3ZFHA.3328@xxxxxxxxxxxxxxxxxxxxxxx
> > Thanks for the reply Geoff. What i'm wondering then is what happens when
> > you reach the limits of hardware like I guess Microsoft do for their
> > sites - they must have multiple servers running?
> >
> > Thanks again.
> >
> >
> >
> > "Geoff N. Hiten" <sqlcraftsman@xxxxxxxxx> wrote in message
> > news:%23yLYqF3ZFHA.796@xxxxxxxxxxxxxxxxxxxxxxx
> >> SQL Custering is a failover technlogy, not a load-balancing technology.
> >> The situation you describe, two servers accessing and managing the same
> >> database, is not possible with SQL Server 2000. Only one host node in a
> >> cluster owns and manages a SQL Server. Should that host node fail, the
> >> entire server goes over to another node.
> >>
> >> You need to determine what is the limiting factor on your system (CPU,
> >> memory, IO, Disk Capacity) and upgrade or replace your system
> >> accordingly.
> >>
> >> Geoff N. Hiten
> >> Microsoft SQL Server MVP
> >>
> >>
> >> "Kate Smith" <ksmith2000@xxxxxxxxx> wrote in message
> >> news:uGJWsA3ZFHA.720@xxxxxxxxxxxxxxxxxxxxxxx
> >>> Hello
> >>>
> >>> I have a question that I hope someone can shed some light on. We are
> >>> currently running a dedicated Dell 2850 SQL server box with a single
> >>> database on it that has become very heavily used over the last year.
> >>> What we'd like to do is to add another server (rather than buying higher
> >>> spec hardware) to load balance the SQL database. I'm aware that I will
> >>> need to buy some shared storage (such as a Dell PV 220s) and connect the
> >>> 2 servers to this but will I be able to load balance the single database
> >>> in this situation so that half the traffic goes to one server and half
> >>> to the other? I've read a bit about clustering and would like to setup a
> >>> cluster where both nodes are accessing the same database and if one node
> >>> fails, the otehr will take over (albeit with a performance reduction of
> >>> course).
> >>>
> >>> Thanks for your help guys.
> >>>
> >>
> >>
> >
> >
>
>
>
.
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