if you want to test it out, do some load testing with Jmeter, there's a quck start on my blog http://zacster.blogspot.com/2008/03/quick-howto-to-setup-jmeter.html
it's perversely fun to break things with load testing :) anything which is data intensive can always be sped up with caching or pre-cooking using Materialized views which i think are called Indexed views in SQL Server z On Mon, Apr 28, 2008 at 1:59 PM, Nathan Drury <[EMAIL PROTECTED]> wrote: > > Zac > > Thanks for your responses. > > I'm just asking the question because I'd like to ensure that the app > is performing as best it can. There are data intensive parts of the > application that make several queries in a single request and it would > be great if we could improve performance for these parts, hence my > interest in maintaining connections. > > Cheers > > Nathan > > > On Apr 28, 1:50 pm, "Zac Spitzer" <[EMAIL PROTECTED]> wrote: > > Nathan, > > > > are you talking about a perceived potential problem or one which you > > actually experiencing? > > > > maintaing db connection pools works really well in CF compared to > > other languages, > > mainly because developers normally don't have much responsibility or > > control, it just works > > > > unlike ASP.NET for example where connections can be left open etc and > > then you start to run > > out of sessions and the like > > > > z > > > > > > > > > > On Mon, Apr 28, 2008 at 1:41 PM, Nathan Drury <[EMAIL PROTECTED]> wrote: > > > > > Hi Zac > > > > > We do that. One DB user has full permissions for all the relevant DBs > > > on the server. When a user logs in and selects a DB, we store the DB > > > data in session and then pass the DB name and DB user to the queries. > > > > > On Apr 28, 1:12 pm, "Zac Spitzer" <[EMAIL PROTECTED]> wrote: > > > > You can always create a db user which has access to multiple db's on > > > > the same db server > > > > and control access via CF and then specify the database in the SQL > > > > which would make > > > > things a lot easier to manage and would vastly reduce the number of > connections > > > > required to the database server > > > > > > On Mon, Apr 28, 2008 at 1:00 PM, Nathan Drury <[EMAIL PROTECTED]> > wrote: > > > > > > > Hi Andrew > > > > > > > Our application is used by law firms to manage documents that form > > > > > part of a litigation matter. The one single application can be > used > > > > > to support several litigation matters at a given time, with each > > > > > litigation matter having its own DB. While a user can only ever be > > > > > working on one matter at a time, there can be multiple users > working > > > > > on different matters at a given time, hence the one application > > > > > accessing multiple DBs. We also host the application for law firms > > > > > and have a lot more than 20 matters, but not all matters are being > > > > > accessed all the time so I just said 20. > > > > > > > Cheers > > > > > > > Nathan > > > > > > > On Apr 28, 12:17 pm, Andrew Scott <[EMAIL PROTECTED]> wrote: > > > > > > Nathan, > > > > > > > > Do you mind if I ask what sort of application it is, and why > there would be > > > > > > 20 different DB's? Maybe because it is Monday morning, I don't > see any > > > > > > reason for it. > > > > > > > > Andrew Scott > > > > > > Senior Coldfusion Developer > > > > > > Aegeon Pty. Ltd.www.aegeon.com.au > > > > > > Phone: +613 9015 8628 > > > > > > Mobile: 0404 998 273 > > > > > > > > -----Original Message----- > > > > > > From: cfaussie@googlegroups.com [mailto:[EMAIL PROTECTED] On > Behalf > > > > > > > > Of Nathan Drury > > > > > > Sent: Monday, 28 April 2008 11:20 AM > > > > > > To: cfaussie > > > > > > Subject: [cfaussie] To maintain DB connections or not ... that > is the > > > > > > question > > > > > > > > Hi > > > > > > > > We have a CF app which can be using multiple DBs at any given > time > > > > > > (e.g. user1 logs into DB1, user2 logs into DB2, etc). At any > given > > > > > > time the application can be accessing up to 20 different DBs. > I've > > > > > > been trying to determine whether we should be maintaining > connections > > > > > > to these DBs or not. I've found very little information out > there > > > > > > about it except that as a general rule you should maintain > connections > > > > > > and that you should limit connections to be the number of maximum > > > > > > simultaneous requests (per CF8WACK2). > > > > > > > > However, a colleague claims to have had issues in the past with > the > > > > > > app when maintain connections is turned on (but this may have > been due > > > > > > to a known issue with CF6.1 > -http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_18980&sl... > > > > > > > > ). > > > > > > > > Can anyone shed some light on when NOT to maintain connections? > > > > > > > > Thanks > > > > > > > > Nathan > > > > > > -- > > > > > > Zac Spitzer -http://zacster.blogspot.com(MyBlog) > > > > +61 405 847 168 > > > > -- > > Zac Spitzer -http://zacster.blogspot.com(My Blog) > > +61 405 847 168 > > > -- Zac Spitzer - http://zacster.blogspot.com (My Blog) +61 405 847 168 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "cfaussie" group. 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