Re: ExclusiveLock
This WebDNA talk-list message is from 2000
It keeps the original formatting.
numero = 31857
interpreted = N
texte = thanks for clarifying for me Dale, I just doublechecked the 3.x docs and still don't see it... thus my original confusion as to why it was being discussed as though it had been around awhile. I assume it was an experimental tag and so left undocumented... till now. :-) -JohnDale LaFountain wrote:> >thanks. > >for some reason I had assumed that it was something that had been > >part of even the > >webcat 3 universe. > >-John > > [exclusivelock] IS in webcat 3, but doesn't always work as expected > because of the way threading was implemented in webcat 3. > > We're still fighting a deadlock problem in 3.0.8 where a db was > searched and modified from only one template that was wrapped in > exclusivelock tags, and it STILL created up to 300 deadlocks a day > (this template is hit over 100,000 times per day as an include). We > have minimized the deadlocks now (less than 10/day) but at the > expense of significantly reducing the functionality of our already > extremely simple code to accomplish this. > > We look forward to trying the new threading model of webcat 4 in a > production environment, because that's the only place we have been > able to reproduce the above problem... > > -Dale > -- > > Dale LaFountain mailto:dalel@darkhorse.com > Vice President of Information Technology, Webmaster > Dark Horse Comics, Inc. Ph: 503-652-8815 x324 > http://www.darkhorse.com/ Fax: 503-652-6917 > > ############################################################# > This message is sent to you because you are subscribed to > the mailing list
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thanks for clarifying for me Dale, I just doublechecked the 3.x docs and still don't see it... thus my original confusion as to why it was being discussed as though it had been around awhile. I assume it was an experimental tag and so left undocumented... till now. :-) -JohnDale LaFountain wrote:> >thanks. > >for some reason I had assumed that it was something that had been > >part of even the > >webcat 3 universe. > >-John > > [exclusivelock] IS in webcat 3, but doesn't always work as expected > because of the way threading was implemented in webcat 3. > > We're still fighting a deadlock problem in 3.0.8 where a db was > searched and modified from only one template that was wrapped in > exclusivelock tags, and it STILL created up to 300 deadlocks a day > (this template is hit over 100,000 times per day as an include). We > have minimized the deadlocks now (less than 10/day) but at the > expense of significantly reducing the functionality of our already > extremely simple code to accomplish this. > > We look forward to trying the new threading model of webcat 4 in a > production environment, because that's the only place we have been > able to reproduce the above problem... > > -Dale > -- > > Dale LaFountain mailto:dalel@darkhorse.com > Vice President of Information Technology, Webmaster > Dark Horse Comics, Inc. Ph: 503-652-8815 x324 > http://www.darkhorse.com/ Fax: 503-652-6917 > > ############################################################# > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > To switch to the INDEX mode, E-mail to > Send administrative queries to ############################################################# This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to To switch to the INDEX mode, E-mail to Send administrative queries to
John Butler
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