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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsForumForumForum Indexes fail to buildForum Indexes fail to build
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3/21/2009 3:51 PM
 
Dave Hollas

Joined: 1/25/2006
Posts: 132

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
 
 

 

We're running DNN 4.9.2 with the core forum module for Dotnetnuke 4.04.03.  We using SQL 2008 with the DNN database in 90 mode and noticed certain indexes fail to rebuild.   The indexes typically have >50% fragmentation.

Is this a site specific condition?  Is this a performance issue?  How do we rebuild these indexes?

Any suggestions are appreciated.

 

 

 

Incredible PeopleWare.Canada
 
New Post
3/21/2009 4:43 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

Not many information on your post.  Have you running your own SQL Server, is it Express version?  If the database have a size limit could it be that the log files are full?  I like to suggest to empty your DNN log files, and check the SQL log size, and trunk it if the size is big.

Regards
Matthias
DNN MVP
www.aarsys.de
Metro7 Skin
ShoutCastStats Module for DNN
 
New Post
3/21/2009 4:52 PM
 
Dave Hollas

Joined: 1/25/2006
Posts: 132

Matthias Schlomann wrote
 

Not many information on your post.  Have you running your own SQL Server, is it Express version?  If the database have a size limit could it be that the log files are full?  I like to suggest to empty your DNN log files, and check the SQL log size, and trunk it if the size is big.

 

Thanks for your reply.  Those are good suggestions for everyone using DNN.  The SQL server 2008 Express is running on our Windows 2003 R2 x64 server.  We maintain the db's the log file such as Eventlog, Sitelog and ScheduleHistory by regularly truncating those tables.   The database does not have a size limit and generally sits a 150MB with 10% growth. 

Do you have access to your databse?  Are those indexes regularly reorganized and/or rebuilt.  What is their current status of fragmentation?

Any suggestions are appreciated

 

 

Incredible PeopleWare.Canada
 
New Post
3/21/2009 6:44 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

Indexing running fine on my live system. 
 

Was your forum previously a 3.x version?  Or is it first started as 4.3.0 ?

Regards
Matthias
DNN MVP
www.aarsys.de
Metro7 Skin
ShoutCastStats Module for DNN
 
New Post
3/21/2009 6:57 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

I forgot to say that there is no automated re-indexing.  If you are using ony the express edition you have to take the database offline and re-start it. 

Regards
Matthias
DNN MVP
www.aarsys.de
Metro7 Skin
ShoutCastStats Module for DNN
 
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