svn commit: r210217 - head/sys/kern
brde at optusnet.com.au
Wed Jul 21 09:44:21 UTC 2010
On Wed, 21 Jul 2010, Ivan Voras wrote:
> On 21 July 2010 06:18, Bruce Evans <brde at optusnet.com.au> wrote:
>> On Mon, 19 Jul 2010, John Baldwin wrote:
>>>> Â In keeping with the Age-of-the-fruitbat theme, scale up hirunningspace
>>>> Â machines which can clearly afford the memory.
>>>> Â This is a somewhat conservative version of the patch - more fine tuning
>>>> may be
>>>> Â necessary.
>>>> Â Idea from: Thread on hackers@
>>>> Â Discussed with: alc
>> Sorry I didn't look at the thread, but I wonder if you should increase
>> lorunningspace similarly.
> The previous ratio of lorunningspace to hirunningspace was 1/2 - is
> this still a good target?
I don't know if the ratio is more important than difference. Maybe neither
is very important once the difference is not very small.
> It does seem like there would be more benefitial to hang these
> variables per mount-point or something similar but I'm content that
> they are tunable and that the new values help high-end machines,
> probably in cooperation with tagged (NCQ-like) IO.
So the high end machine owners are less capable of tuning? :-) This
might be the case even if they also have higher end money and support,
since the higher end is bleeding edge.
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