Configuring Blob Cache correctly Configuring Blob Cache correctly
Jaydeep Patel

Jaydeep Patel

December 09, 2012

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Configuring
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Blob Cache

For snappy SharePoint performance, one great option to enable is Blob Caching. Make sure to first back up the web-config for your target web app, which you can navigate to via IIS.

I prefer to increase the max-age=”600″ to a full day max-age=”86400″. This parameter forces remote browser caching which really helps with remote users over relatively poor connections.

Set an appropriate location; I prefer to segregate by web app name. Microsoft suggests a 10GB maxSize, with 20% extra space. You can lower it, it rarely increases to that level.

Best is configuring this on a dedicated drive. Unless you have an enterprise-class SAN, dedicated spindles are the way to go.

For every cache, you’ll want to know how to flush it:

$webApp = Get-SPWebApplication "http://SharePoint"
[Microsoft.SharePoint.Publishing.PublishingCache]::FlushBlobCache($webApp)
Write-Host "Flushed the BLOB cache for:" $webApp
It’s totally safe to flush the cache at any time without disruption, and best of all, wastes no water 🙂

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