[Dovecot] Unbreakable NFS locking issues...

Timo Sirainen tss at iki.fi
Thu Nov 20 12:07:49 EET 2008

On Nov 20, 2008, at 4:15 AM, Rod Treweek wrote:

> Hi Timo,
> Thanks Timo.  This is great.  I followed your instructions, and sure  
> enough,
> everything is working as expected now.  Thank you very very much.  One
> question I have,  What's the advantage of using prefetch?  Is this a
> considerable performance benefit, or is it just more or less another  
> way to
> do things?  Thanks again.

With prefetch you're doing a single SQL query. Without prefetch you're  
doing two. If your SQL server isn't loaded, I doubt it helps much.
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