A Peek Inside: Unloading PowerPivot data

By powerpivotgeek (dwickert@microsoft.com), on March 4th, 2010

Ok folks. Here comes a cool one.

As I am sure that everyone is aware by now, one of the most powerful new features of PowerPivot is that we do on-demand loading of embedded data. Well, if you are going to load it, then you had better at least think about unload it at some time. There is probably some law of thermodynamics that applies here.

First rule for deleting data is that we don’t touch data if there are users currently connected to it. But other than that, any databases loaded or cached by the PSS (i.e. their database folder is contained in the SSAS Backup folder tree) are candidates for being unloaded.

There are two ways that databases can be unloaded in PowerPivot:

Read more…

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