All,
My sincere apologies for propagating misinformation. Next time I'll lay off
responding past a certain hour in the evening.
Anne
>
> >Date: Wed, 24 Sep 2003 20:48:03 -0600
> >From: anne <anne@xxxxxxxxxxxxxxxx>
> >Organization: UCAR/Unidata
> >To: Robert Mullenax <rrm@xxxxxxxxxxxxxxxxxxxx>
> >Subject: Re: FSL2 feed?
>
> The above message contained the following:
>
> > ... However, there's another issue wrt ".*" -
> > contrary to what one might think, it has been found to be extremely
> > inefficient and costly. So, from that perspective, I would advise
> > using the expression above instead.
>
> Just to clarify Anne's message, the regular-expression ".*", BY ITSELF,
> is quite efficient. So a request-line like
>
> request FSL2 .* host.domain
>
> is quite all right. The problem occurs when ".*" is used as a PREFIX to
> a more complex regular-expression. So a request-line like
>
> request FSL2 ".*FSL\.NetCDF\.NOAAnet\.windprofiler\." host.domain
>
> is SEVERAL HUNDRED TIMES LESS EFFICIENT than the request-line
>
> request FSL2 "^FSL\.NetCDF\.NOAAnet\.windprofiler\." host.domain
>
> Robert, just a thought, do you need to adjust the regular-expressions in
> your pqact(1) configuration-file?
>
> Regards,
> Steve Emmerson
--
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Anne Wilson UCAR Unidata Program
anne@xxxxxxxxxxxxxxxx P.O. Box 3000
Boulder, CO 80307
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