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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsForumForumWays to improve Forum SQL Performance?Ways to improve Forum SQL Performance?
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3/21/2009 4:38 PM
 
Dave Hollas

Joined: 1/25/2006
Posts: 132

We have noticed a number of Indexes fail to rebuild. 

Do you have access to the DNN database running your portal?.  Can you check these indexes listed in this thread ..

http://www.dotnetnuke.com/Community/Forums/tabid/795/forumid/7/threadid/296457/scope/posts/Default.aspx

Interested to know, is the case with your circumstances.

Cheers,

 

 

 

 

Incredible PeopleWare.Canada
 
New Post
3/21/2009 4:59 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

Could you use your live system as a sandbox localy?   It can clear if it is a issue in the code or is it happend with the using of the shared sql server by your hoster.  Some issue can be a big event log in your portal and /or a big SQL log file in your database with database size restriction.

Regards
Matthias
DNN MVP
www.aarsys.de
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3/21/2009 5:25 PM
 
Dave Hollas

Joined: 1/25/2006
Posts: 132

Matthias Schlomann wrote
 

Could you use your live system as a sandbox localy?   It can clear if it is a issue in the code or is it happend with the using of the shared sql server by your hoster.  Some issue can be a big event log in your portal and /or a big SQL log file in your database with database size restriction.

Thanks for your reply.  The SQL Server 2008 Express is running on our Windows 2003 R2 x64 server.  We regularly maintain the db, the log file such as Eventlog, Sitelog and ScheduleHistory by truncating those tables.   The DNN database does not have a size limit and generally sits a 150MB with 10% growth.We're interested in your database?  What is the current status of fragmentation for these indexes ?

Table
IndexName
Index Type
# Partitions
Depth
Operation Recommended
 
 
dbo.Forum_Groups
 
PK_Forum_Groups
CLUSTERED INDEX
1
2
ReBuild
 
 
dbo.Forum_ForumPermission
 
 
PK_Forum_ForumPermission
CLUSTERED INDEX
1
2
ReBuild
 
 
dbo.Forum_Threads
 
PK_Forum_Threads
CLUSTERED INDEX
1
2
ReBuild
 
 
dbo.Forum_UserForums
 
PK_Forum_UserForums
CLUSTERED INDEX
1
2
ReBuild
 
 

Are those indexes regularly reorganized and/or rebuilt. 

Any suggestions are appreciated

Incredible PeopleWare.Canada
 
New Post
3/21/2009 7:50 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

For reindexing on express edition you have to set the database offline and restart it.  Re-indexing by script is not supported from the express versions.

Regards
Matthias
DNN MVP
www.aarsys.de
Metro7 Skin
ShoutCastStats Module for DNN
 
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3/21/2009 9:17 PM
 
Sebastian Leupold


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Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

how much RAM do you provide for your SQL server. The machine should have reserved at least 1 GB for the SQL server.

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

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