How to correctly dispose spweb and spsite on PowerShell foreach?

How to correctly dispose spweb and spsite on PowerShell foreach?

– SharePoint Stack Exchange How to correctly dispose spweb and spsite on powershell foreach! Title of the question is pretty simple, I have 18000 site collections and this script is showing 1GB of ram used, so I wonder how can I dispose correctly the spweb and spsite object Thanks for contributing an answer to SharePoint Stack Exchange!

When to call dispose in SharePoint in PowerShell?

Ideally, you should call Dispose when possible. Even inside of PowerShell. The SharePoint libraries include a lot of code that is just a wrapper around COM objects – and to make life more fun, many of those COM objects have their own pools and caches.

When to dispose of objects in powershell.exe?

SPECIFICALLY WHEN DEALING WITH SharePoint: When you close the PowerShell.exe process, the memory is freed. If you need to dispose objects to keep memory pressure down (important in production environments or if you’re looping over all sites/webs), make sure to dispose. If not, you don’t need to worry about disposing.

What happens when you close powershell.exe process?

When you close the PowerShell.exe process, the memory is freed. If you need to dispose objects to keep memory pressure down (important in production environments or if you’re looping over all sites/webs), make sure to dispose. If not, you don’t need to worry about disposing.

Is there a way to automatically dispose of SharePoint objects?

You can automatically dispose SharePoint objects that implement the IDisposable interface by using the Microsoft Visual C# and Visual Basic using statement. The following code provides an example. Taking advantage of using statements can greatly simplify your code.

When to use dispose checker in SharePoint?

This best practice addresses the issue identified by the SharePoint Dispose Checker Tool as SPDisposeCheckID_220. You must be cautious and aware of what the runtime is doing whenever you combine SharePoint object model calls on the same line. Leaks arising from this scenario are among the hardest to find.

What does each instance of spsite and spweb contain?

Each instance of SPSite and SPWeb contains a reference to an SPRequest object that, in turn, contains a reference to an unmanaged COM object that handles communications with the database server.

Do you need to dispose of all of your sprequest objects?

Yes you need to dispose of all of them. An SPRequest object was not disposed before the end of this thread. To avoid wasting system resources, dispose of this object or its parent (such as an SPSite or SPWeb) as soon as you are done using it.

When to dispose of IDisposable objects in SharePoint?

Specifically, you should explicitly dispose those SharePoint objects that implement IDisposable when you are finished using them.