Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
- From: Chuck Ebbert <cebbert@xxxxxxxxxx>
- Date: Fri, 27 Apr 2007 12:24:32 -0400
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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- References:
- [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
- From: Mike Galbraith
- Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
- From: Linus Torvalds
- Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
- From: John Anthony Kazos Jr.
- Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
- From: Linus Torvalds
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