[mapserver-users] MapServer on Intel Atom?
Rahkonen Jukka
Jukka.Rahkonen at mmmtike.fi
Wed Jan 14 03:09:18 EST 2009
>
> Hi Jukka, actually I'm quite surprised, because based on my
> experience, raster layer is always slower than vector layer
> regardless of system. I attached the gdal info result with this mail.
Do the following with your tiff image:
gdal_translate -of GTiff -co TILED=YES gabungan.tif gabungan_tiled.tif
And next:
gdaladdo -r average gabungan_tiled.tif 2 4 8 16 32 64
Add gabungan_tiled.tif as a nee layer to your mapfile and compare it with the gabungan.tif layer.
-Jukka Rahkonen-
> Nonetheless, is MapServer more CPU-dependent or
> memory-dependent? How far large RAM can compensate for weak
> CPU like Intel Atom?
>
> Thanks,
>
>
> --- On Tue, 1/13/09, Milo van der Linden
> <mlinden at zeelandnet.nl> wrote:
>
> > From: Milo van der Linden <mlinden at zeelandnet.nl>
> > Subject: Re: [mapserver-users] MapServer on Intel Atom?
> > To: mapserver-users at lists.osgeo.org
> > Date: Tuesday, January 13, 2009, 8:30 AM Oops, sorry.
> Should have read
> > the initial post, for demonstration purposes, using
> datasets that are
> > not to big sounds possible to me.
> >
> > Dan Little wrote:
> > > I agree with where Jukka is going... Raster layers
> > are usually pretty fast so long as they are tuned correctly.
> > >
> > >
> > > ----- Original Message ----
> > >
> > >> From: Rahkonen Jukka
> > <Jukka.Rahkonen at mmmtike.fi>
> > >> To: kreshna_iceheart at yahoo.com;
> > mapserver-users at lists.osgeo.org
> > >> Sent: Tuesday, January 13, 2009 6:04:07 AM
> > >> Subject: Re: [mapserver-users] MapServer on Intel
> > Atom?
> > >>
> > >> Hi,
> > >>
> > >> You say that your raster layer is slower than
> > vector layers, but do you feel it is too slow? Your image
> should be
> > served pretty fast by Mapserver. The key is that tiff file
> is tiled
> > (for zoom-in situation) and that it has overviews (for
> zoom-out case).
> > Could you send the gdalinfo report about your image if you
> suffer from
> > slowness?
> > >>
> > >> -Jukka Rahkonen-
> > >>
> > >>
> > >>> -----Alkuperäinen viesti-----
> > >>> Lähettäjä:
> > mapserver-users-bounces at lists.osgeo.org
> > [mailto:mapserver-users-bounces at lists.osgeo.org] Puolesta
> > kreshna_iceheart at yahoo.com
> > >>> Lähetetty: 13. tammikuuta 2009 12:35
> > >>> Vastaanottaja:
> > mapserver-users at lists.osgeo.org; Dan Little
> > >>> Aihe: Re: [mapserver-users] MapServer on Intel
> > Atom?
> > >>>
> > >>> Hi, thanks.
> > >>>
> > >>> The vectors are quite simple. I've never
> > experienced slow down when displayed vector data, not even
> on an old
> > Toshiba M20 laptop.
> > >>>
> > >>> Raster, on the other hand, is always the
> > biggest problem. Compared to polygons, my raster is always
> slower to
> > zoom, to pan, etc (despite the size is only 500 Mb). Is displaying
> > raster more CPU-intensive or memory-intensive? If I'm using Intel
> > Atom, will my raster be affected severely?
> > >>>
> > >>> Also, can using bigger RAM (let say, 2GB or
> > so) compensate for the lack of processing power of Intel Atom?
> > >>>
> > >>> Thanks again,
> > >>> -Kresh
> > >>>
> > >>>
> > >>> --- On Mon, 1/12/09, Dan Little wrote:
> > >>>
> > >>>
> > >>>> From: Dan Little Subject: Re:
> > [mapserver-users] MapServer on Intel Atom?
> > >>>> To: kreshna_iceheart at yahoo.com,
> > mapserver-users at lists.osgeo.org
> > >>>> Date: Monday, January 12, 2009, 9:18 PM I
> > think the atom
> > >>> will be more
> > >>>> than adequate... depending on the dataset.
> > :-)
> > >>>>
> > >>>> Serving 100 points is significantly less
> > intensive than serving 100 city-boundary polygons.
> > >>>>
> > >>>>
> > >>>> (Oops forgot to send to the list)
> > >>>>
> > >>>>
> > >>>> ----- Original Message ----
> > >>>>
> > >>>>> From:
> > "kreshna_iceheart at yahoo.com"
> > >>>>> To:
> > mapserver-users at lists.osgeo.org
> > >>>>> Sent: Monday, January 12, 2009 8:09:15
> > PM
> > >>>>> Subject: [mapserver-users] MapServer
> > on Intel Atom?
> > >>>>>
> > >>>>> I'll be doing a lot of MapServer
> > demo in the
> > >>>>>
> > >>>> future. I'm quite interested in
> > >>>>
> > >>>>> Intel Atom-based subnotebooks for the
> > purpose (like
> > >>>>>
> > >>>> Lenovo IdeaPad S10), since
> > >>>>
> > >>>>> they are light and mobile.
> > >>>>>
> > >>>>> However, I wonder if Intel Atom is
> > adequate to run
> > >>>>>
> > >>>> MapServer. The MapServer will
> > >>>>
> > >>>>> be run on either ms4w on Windows XP,
> > or directly on
> > >>>>>
> > >>>> Linux. The layers are stored
> > >>>>
> > >>>>> on postGIS (there are fifteen layers
> > or so), and there
> > >>>>>
> > >>>> is also a 476 megabytes
> > >>>>
> > >>>>> raster file in .TIFF format.
> > >>>>>
> > >>>>> Will Intel Atom be adequate for the
> > purpose? Will 2GB
> > >>>>>
> > >>>> of memory help? Has anyone
> > >>>>
> > >>>>> ever done such thing before?
> > >>>>>
> > >>>>> Many thanks,
> > >>>>> -Kresh
> > >>>>>
> > >>>>>
> > >>>>>
> > _______________________________________________
> > >>>>> mapserver-users mailing list
> > >>>>> mapserver-users at lists.osgeo.org
> > >>>>>
> > >>>>>
> > >>>>
> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
> > >>>>
> > >>>
> > _______________________________________________
> > >>> mapserver-users mailing list
> > >>> mapserver-users at lists.osgeo.org
> > >>>
> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
> > >>>
> > >>>
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> > >> mapserver-users at lists.osgeo.org
> > >>
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> > >>
> > >
> > >
> > >
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