Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)

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Linus Torvalds wrote:
> 
> On Fri, 27 Apr 2007, John Anthony Kazos Jr. wrote:
>> Could[/should] this stuff be changed from ratios to amounts? Or a quick 
>> boot-time test to use a ratio if the memory is small and an amount (like 
>> tax brackets, I would expect) if it's great?
> 
> Yes, the "percentage" thing was likely wrong. That said, there *is* some 
> correlation between "lots of memory" and "high-end machine", and that in 
> turn tends to correlate with "fast disk", so I don't think the percentage 
> approach is really *horribly* wrong.
> 
> The main issue with the percentage is that we do export them as such 
> through the /proc/ interface, and they are easy to change and understand. 
> So changing them to amounts is non-trivial if you also want to support the 
> old interfaces - and the advantage isn't obvious enough that it's a 
> clear-cut case.
> 

We could add a new "limit" field, though. If it defaulted to 0 (unlimited)
the default behavior wouldn't change.
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