I have been seeing a big number of concerns not too long ago with regards to DotNetNuke functionality and items that will be done to help improve the overall performance in the internet site. Usually these questions surround the SiteLog and EventLog tables so I thought I'd post a number of simple queries which you can run to assist hold your database lean that will preserve your DotNetNuke website running at peak efficiency.

Website Log

I'll start off using the Internet site Log table, the website log functionality isn't a single that I truly utilize in my site, nonetheless for all those of you who use it in yours you are going to need to hold an eye on it, I have noticed that right after the log has grown to more than about 4-5 thousand records that you could begin to notice some efficiency decreases. Furthermore if you're like myself and have turned off the internet site log I found out that it will not necessarily clean itself up in case you turned it off, therefore in my case I had 1000 lingering records, which just unnecessarily improved the size of my database.

To check the amount of records within your Site Log use the following query

SELECT Count(*)
FROM SiteLog

To find the oldest record in the site log use the following

SELECT MIN([DateTime])
FROM SiteLog

Soon after you've viewed this details you can establish your necessary course of action. In my case since the internet site log is disabled on all portals I simply deleted all records in the table employing a basic delete statement. Within your case you could only want to purge certain records but that determination is outdoors the scope of this short article.

Event Log

The Occasion log shops portal certain event details like logins, invalid login attempts and actual errors. If you have a pretty active portal this table can grow very big really quickly. For my sites with their visitors of about 100-120 guests per day I have noticed an EventLog of over 2000 records within a two.five month period. Now unless you happen to be auditing logins or undertaking particular tracking you are able to normally rid yourself of those records without much impact. You'll be able to purge these portal by portal via the "Event Viewer" inside DotNetNuke, or it is possible to view and modify records by way of the database. Beneath I'll give you two valuable queries.

To determine the number of records, as well as the quantity of records per portal. Note, inside the benefits in the per portal query, you are going to discover a lot of entries listed having a NULL portal id, that is for DNN installation wide things, like scheduler and application events.

--Overall total
SELECT COUNT(*)
FROM EventLog

--Total by portal (null is not portal specific)
SELECT LogPortalId, COUNT(*)
FROM EventLog
GROUP BY logPortalId

To identify the oldest records you can use one of the following queries, again an overall minimum and a per portal minimum will be found

SELECT MIN(LogCreateDate)
FROM EventLog

SELECT LogPortalId, MIN(LogCreateDate)
FROM EventLog
GROUP BY logPortalId

Once again for deleting these records the decision truly depends upon your portals use on the Occasion Log and any require for user login auditing. In my case I once again don't require this details and at present I've resolved all of my routine errors that had been taking place, for that reason I removed all records in my listing across all sites. I try to complete this at the very least as soon as as month to ensure that the table size has been decreased.

Viewing DB Size

If you would like to view the size of one's database files you are able to make use of the query below to view the size of every single file for the present database.

SELECT *
from SYSFILES

Making use of these ideas you'll be able to start to acquire a better understanding of the database size and you can assist handle it and preserve your DotNetNuke website running at peak efficiency!

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