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From "Niall Pemberton" <niall.pember...@blueyonder.co.uk>
Subject Re: Tomcat 4 Compression Filter
Date Wed, 25 Feb 2004 16:00:15 GMT
...its also what its name implies a "threshold" - if the reponse doesn't
exceed the threshold (in bytes) it writes it out normally - uncompressed.

----- Original Message ----- 
From: "Kris Schneider" <kris@dotech.com>
To: "Struts Users Mailing List" <struts-user@jakarta.apache.org>
Sent: Wednesday, February 25, 2004 3:41 PM
Subject: RE: Tomcat 4 Compression Filter


> Essentially, the "compressionThreshold" filter init param is a buffer size
for
> CompressionResponseStream. If it's 0, then compression is turned off (this
is
> handled by the filter, not the stream). Otherwise, it's the max of 128
> (hard-coded min) and whatever is set in web.xml. The stream works by
buffering
> up bytes and periodically flushing them to a GZIPOutputStream that wraps
the
> response's ouput stream.
>
> Quoting Jerry Jalenak <Jerry.Jalenak@LABONE.com>:
>
> > I've also been playing around with this with mixed results.  I've been
> > looking for some doc on the filter mainly to better understand the
> > 'compressThreshold' setting.  Does anyone have any doc for this thing?
> >
> > Jerry Jalenak
> > Development Manager, Web Publishing
> > LabOne, Inc.
> > 10101 Renner Blvd.
> > Lenexa, KS  66219
> > (913) 577-1496
> >
> > jerry.jalenak@labone.com
> >
> >
> > > -----Original Message-----
> > > From: Niall Pemberton [mailto:niall.pemberton@blueyonder.co.uk]
> > > Sent: Wednesday, February 25, 2004 6:13 AM
> > > To: Struts User Jakarta
> > > Subject: Tomcat 4 Compression Filter
> > >
> > >
> > > There is a CompressionFilter class shipped with with Tomcat
> > > which compresses the ServletResponse that I'm considering
> > > using (we have some remote offices which have slow links):
> > >
> > > http://cvs.apache.org/viewcvs.cgi/jakarta-tomcat-4.0/webapps/e
> > > xamples/WEB-INF/classes/compressionFilters/CompressionFilter.j
> > > ava?rev=1.8&view=auto
> > >
> > > It looks OK to me and seems to work fine when I plug it into my app.
> > >
> > > I'm a bit concerned that its only an "example" class rather
> > > than standard feature of Tomcat.
> > >
> > > Has anyone used this in a 'live' environment and if so are
> > > there any issues or with it or recommendations?
> > >
> > > Does anyone have any alternatives that they have deployed?
> > >
> > > Niall
>
> -- 
> Kris Schneider <mailto:kris@dotech.com>
> D.O.Tech       <http://www.dotech.com/>
>
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