Re: [ot] MS SQL and Access - connection usage
- From: Catman <catman@xxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 22 Sep 2005 13:40:59 GMT
simonk wrote:
> We have an application which used to be a straight MS access database, but
> which has been migrated to a SQL Server back-end (I imagine using some
> godawful "wizard").
>
> Aside from the general bogosity of the situation, we're finding that each
> client application (i.e. running instance of MS Access on a PC) is using
> up
> to 6 connections to the SQL database. With a user base of around 100, you
> can imagine that things are beginning to creak.
>
> The system is to be removed within the next 2 or 3 months but there's
> still a risk that things might go "bang" in the interim.
>
> Knowing more about Oracle than I do about SQL Server, I'm making the
> assumption that the database is dying because of the sheer number of
> connections - it's running on bang-up-to-date hardware with fast disks and
> shed loads of memory and network bandwidth.
>
> We can't redesign the application because we wouldn't have the time, but
> can something be done with SQL Server or the SQL Server Client/ODBC
> software - I'm thinking along the lines of can a connection pool or load
> balanced/clustered arrangement - such that the current single-node
> database doesn't have to spend all its time juggling the demands of
> 600-800 concurrent connections?
>
> TIA etc
>
Can't remember the specifics, but thus *might* be related to a known DNS
issue. It sounds similar, but ICBA to look it up. Feed it into to google
and see if the issues match your symptoms.
--
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