cvs commit: src/sys/nfsserver nfsrvcache.h

[Kris Kennaway]

On Mon, Apr 24, 2006 at 05:29:08PM -0700, Sam Leffler wrote:
> Mohan Srinivasan wrote:
> >mohans      2006-04-25 00:21:57 UTC
> >
> >  FreeBSD src repository
> >
> >  Modified files:
> >    sys/nfsserver        nfsrvcache.h 
> >  Log:
> >  Bump up the NFS server dupreq cache limit to 2K (from 64). With a small
> >  duplicate request cache, under heavy load a lot of non-idempotent 
> >  requests
> >  were getting served again, resulting in errors.
> 
> How does increasing the cache size fix this problem?

Fundamentally it doesn't, this change just pushes it out of the regime
where it's trivial to overflow.

Kris

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