[Gllug] ntfs defrag

[John G Walker]

On Mon, 02 Mar 2009 20:55:06 +0000 "Martin A. Brooks"
<martin at hinterlands.org> wrote:

> The efficiency tends to reduce once the 
> disk reaches a certain percentage of its capacity, the typical figure 
> bandied about is 80% and I have no scientific data to back this up.

The 80% figure probably comes from queueing theory. If a resource is
used greater than approximately 80% of its capacity, then queues start
to form (it's not precisely 80%, but it's near enough that for
practical purposes). People tend to quote that 80% for all kinds of
things to which queues don't apply,
 
-- 
 All the best,
 John
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