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Statistics about single instancing

Created: 13 Mar 2006 • Updated: 22 May 2010 | 1 comment


my managements wants some details on space reduction by single instancing messages / attachments.

Is there a way to get such information from Enterprise Vault (6.0 SP1)?

BTW: It still seems to be unclear where and how Single Instancing takes place:

Attachments only?
Are messages divided into body and headers before single instancing?

Thanks for answers in advance
Best regards


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Micah Wyenn 2's picture

The short answer is no. SIS is really complicated, and it takes place in ideal circumstances. If you're really worried about space reduction, I'd recommend looking at centera for your backend storage.