Major SMP problems with lstat/namei
Julian Elischer
julian at elischer.org
Wed Sep 24 20:25:54 UTC 2008
Jeff Wheelhouse wrote:
>
> On Sep 24, 2008, at 6:12 AM, Ivan Voras wrote:
>> There is nothing that can be done within the 6.x branch. 7.x contains
>> many improvements but I think only 8.x will directly change the lockmgr
>> and the namei cache. The best things you can try right now is to use
>> 7-STABLE (or soon to be released 7.1; you might need tuning with
>> 7.0-RELEASE) or try 8-CURRENT (it's quite stable).
>
> Really? Nothing?
>
> We get lockmgr-related panics on FreeBSD 7.0, as detailed elsewhere on
> this list.
>
> Stability issues aside, what else would we need to tune on 7.0, besides
> enabling the ULE scheduler, and how much benefit would we really get?
>
> These servers are in production, so 8-CURRENT is not an option. I've
> already had my knuckles rapped by a customer for trying 7.1-PRERELEASE
> on one of their machines.
You are supposed to edit the uname info back to 7.0 before installing
experimental 7.1 systems!
Didn't you get the memo?
>
> Thanks,
> Jeff
>
>
>
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