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Article:
  An Unencrypted Look at FileVault
Subject:   FileVault performance tax
Date:   2003-12-21 17:22:15
From:   anonymous2
Response to: FileVault performance tax

The problem is it is a tax all of the time. If it just happened when I expected it to slow down the system it wouldn't be so bad, I'd go out for coffee. *grin* But by taxing every little transaction it is like the Canadian VAT driving up the price and slowing down the whole economy. The fact is not everything needs the filevault protection but in most users cases they are going to not set it up properly. Sure they should put things like pictures, movies, music and non-sensitive data outside their home directory so it isn't in the filevault but then you are violating some of the whole concept of the user space. It is at cross purposes. Even worse is that the user's Library where lots of temp files, caches (e.g., Safari) and preferences are stored is inside the filevault. These files get lots of transactions and are heavily used. That's going to take a hit. I do not like it.