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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0Question about "DataCache.ClearHostCache"?Question about "DataCache.ClearHostCache"?
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10/21/2008 2:31 AM
 
Duc Le

Joined: 10/20/2008
Posts: 6

Hello,

I'm having some problems with my multi-portal site (running on DNN 4.8.3), which currently contains about 120 child portals. The problem is: when I try to create/delete a portal, update/delete/install a module or update Host Settings, DotNetNuke just times out, although the changes are still applied. Digging into the code, I found out that in all cases the application froze at this line:

DataCache.ClearHostCache

Specifically:

- PortalController.vb: in "CreatePortal" and "DeletePortalInfo" functions, line 1108 and 1185 respectively

- HostSettingsController.vb: in "UpdateHostSetting", line 57

- DesktopModuleController.vb: in "DeleteDesktopModule" and "UpdateDesktopModule", line 42 and 76 respectively

Now my question is, what does this method do, what is its significance and is it safe for me to comment out the line and rebuild the library?

Thanks,

Duc Le
 
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10/21/2008 8:33 AM
 
cathal connolly


cathal connolly's Avatar

www.cathal.co.uk
Joined: 4/9/2003
Posts: 9676

i recommend you upgrade to 4.9 where this issue has been resolved (see http://support.dotnetnuke.com/issue/ViewIssue.aspx?id=7028&PROJID=2 for more details)

Cathal

Buy the new Professional DNN7: Open Source .NET CMS Platform book Amazon US
 
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10/21/2008 9:43 AM
 
Duc Le

Joined: 10/20/2008
Posts: 6

Thanks for replying Cathal,

Due to some reason, I can not upgrade my site to 4.9.0 immediately. The only temporary work-around I can think of is to rebuild the library. Is this practice safe?

Regards,

Duc Le
 
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10/21/2008 10:11 AM
Accepted Answer 
cathal connolly


cathal connolly's Avatar

www.cathal.co.uk
Joined: 4/9/2003
Posts: 9676

no, your suggestion is not safe. The clearhostcache method assures that any data that has host level significance is kept fresh and not out of sync, removing the call could mean your data get's stale. AFAIR the fixes in 4.9 added an overload so it could be called without invoking the config.touch call (it's the recycling of the app that takes the most time), perhaps you should download 4.9, look at the changes and consider a similar approach.

Cathal

Buy the new Professional DNN7: Open Source .NET CMS Platform book Amazon US
 
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10/21/2008 10:19 AM
 
Duc Le

Joined: 10/20/2008
Posts: 6

Thanks Cathal, I'll take a look at 4.9.0 source code.
 
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