yoderm - Slashdot User

Why Use Virtual Memory In Modern Systems? 983

Posted by timothy on Thursday December 04, 2008 @06:00PM from the virtually-useless dept.

Cyberhwk writes "I have a system with Windows Vista Ultimate (64-bit) installed on it, and it has 4GB of RAM. However when I've been watching system performance, my system seems to divide the work between the physical RAM and the virtual memory, so I have 2GB of data in the virtual memory and another 2GB in the physical memory. Is there a reason why my system should even be using the virtual memory anymore? I would think the computer would run better if it based everything off of RAM instead of virtual memory. Any thoughts on this matter or could you explain why the system is acting this way?"

Comment Re:feel-good actions (Score 1) 480

by yoderm on Thursday October 30, 2008 @05:45PM (#25575955) Attached to: Resisting the PGP Whole Disk Encryption Craze

in these type of departments all the computer are on all the time anyways

Completely agreed - the only threat that full-disk encryption really prevents against is someone actually walking out of the data center with the disk. Nice and all, but not a full solution.

The company I work for (www.vormetric.com) has a policy-based file encryption product, so you can say things like "under this directory only user foo can read and write to files, and use this particular encryption key". So other users can't get there, and even if they could it's encrypted. There's no performance hit for everyone else, and it's transparent to applications. You might want to check it out.

-Mike

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