status of autotuning freebsd for 9.2

[Johan Hendriks]

Op maandag 15 juli 2013 schreef Alfred Perlstein (alfred at ixsystems.com) het
volgende:

> On 7/15/13 7:13 AM, Glen Barber wrote:
>
>> On Mon, Jul 15, 2013 at 05:48:40AM -0700, Alfred Perlstein wrote:
>>
>>> On 7/15/13 5:44 AM, Andre Oppermann wrote:
>>>
>>>> On 15.07.2013 08:38, Andre Oppermann wrote:
>>>>
>>>>> On 13.07.2013 09:47, Alfred Perlstein wrote:
>>>>>
>>>>>> Andre, we have a number of people running this patch in the
>>>>>> following configurations:
>>>>>>
>>>>>> 6-8GB ram + 10gigE ethernet using iozone over NFS.
>>>>>>
>>>>> As you haven't seen any problems yet I've asked RE to green light
>>>>> the MFC.
>>>>>
>>>> RE has rejected the MFC out of fears for unexpected regressions.
>>>>
>>>>  That is unfortunate.  I guess re@ doesn't understand that FreeBSD
>>> 9.2 will be unusable out of the box for doing 10gigE for more than a
>>> few microseconds.
>>>
>>> Can we not just do my original patch that has the check for 64bit
>>> pointers before unscaling maxusers?  That would be dirt simple and
>>> just work with minimal risk.
>>>
>>>  IMHO, this is considered a new feature, and not a critical bug fix.  re@
>> asked from the start of the code slush to avoid new features, and at
>> this point, it is too late.  It is not worth introducing possible
>> regressions, which will only delay the 9.2-RELEASE.
>>
>> Glen
>>
>>  OK, then we need a release notes telling people a sane value for
> nmbclusters and friends so that they know how to make 10gigE work.
>
> I'll poll my team for a value if someone else has one, that would be even
> better.
>
> --
> Alfred Perlstein
> VP Software Engineering, iXsystems


Is there a possibility that a separate unofficial  patch set could be
released for people who want  the autotuning but do not want to run 9
stable after 9.2 is released.
I would like the autotuning, but i am a  little reluctent to use other
stable stuff i will get when tracking stable.

Regards
Johan


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