Re: readahead could use a update

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Title: Re: readahead could use a update
At 12:54 PM +0200 4/11/07, Mark wrote:
yea but not filling it up completely :P small fast programs are fine aswell.
i was actually under the impression (before i came in contact with readahead a few weeks ago) that the cache was only used for icons, internet files and text/image stuff

You have no understanding at all of what the Linux kernel disk cache is for and how it works.  You have much studying to do.  If you don't want to read source code or google, try reading old fedora-list archives, where this user issue comes up fairly often.


and for radahead.. how can you see how big the readahead cache would be?
the readahead files only provide paths to the files themselve and i`m not that good at linux shell scripting to see the actual cache size.

Sum up the file sizes when making the static list.  Readahead doesn't know or care, it just calls readahead (2) for each file to read that file into the kernel disk cache.
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