I have a SSIS package that runs a view on one database and puts the data from the view into a table on another database. This runs in about 1 minute and doesn't appear to have any significant impact on resources.
Today I updated this as follows:
1. I want to query three extra fields which are all in one extra table. This table has been added with an inner join and when I run the view in MS it takes about 45 seconds longer than it did before I made the change. I can live with this though.
2. I now need to update the SSIS package but now when I try to open it in Visual Studio I find that CPU rises to 98%+ and stays there until I kill out of Visual Studion. This never happened before I made the change. Is there any reason why this would be happening? I never had this SSIS package cause performance issues before and as I have no significant problems with my view in MS I can't understand why it might be causing problems in Visual Studio.
When I roll back the change there the performance issues cease.
Regards
Paul