[NTLUG:Discuss] Is there a disk defragmenter for Linux

Steve Baker sjbaker1 at airmail.net
Sat Dec 28 22:54:55 CST 2002


Greg Edwards wrote:

> I would speculate that 99% of the programs you normally use write data 
> to disk as opposed to update the data already on disk.

...and those that do extend files will quite frequently have read
the file beforehand - in which case it's probably all in RAM cache
anyway.  Remember Linux uses all of free memory as disk cache.

In that case, I suppose shifting files to extend them wouldn't be all
that costly...although I'm a little suprised to hear that's what it
does.

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