On Fri, Apr 25, 2014 at 5:23 PM, Tom Chadwin <[email protected]>wrote:
> Thanks for the info, Jonathan. I can't tell you much about load, really,
> partly because I'm a beginner, and partly because the live system has been
> too unstable for us to judge. I see that you are UK-based, and if the
> non-UK list members will forgive me a few local details for a moment, I can
> tell you that we want to put out OS raster basemapping (10k, 25k, 50k,
> 250k, Miniscale), together with PostGIS datasets (LDF, visitor promotional
> stuff, planning applications, etc), hopefully aerial imagery, and possibly
> MasterMap. Our coverage is discrete chunks of the UK (the National Parks).
>
>
>
> I don't know if that gives you something to go on - as I say, I can't
> really tell you about concurrent users or throughput, as I just don't yet
> have that data. The intention will be probably to present this data in
> Leaflet - no unusual functionality.
>
Is there really no chance you can deploy on Linux?
GeoServer is anedoctically 30% slower on Windows to start with, and
PostgreSQL is also going to take a hit (see here a comment of one of the
people
that ported PostgreSQL on Windows,
http://serverfault.com/questions/222430/is-postgresql-suited-to-one-os-is-it-better-on-linux-than-windows
),
while the numbers in that question for Windows are referring to old
versions, I would not be surprised if you are looking at an overall 50%
slowdown
compared to Linux installed on the same hardware.
Also, on Linux you don't need to use the "N instances on the same box"
trick as long as you use OpenJDK to get better scalability
(Mind, GeoServer is not the only GIS server that runs slower on Windows,
MapServer was 30-50% slower on Windows as well when
the last public benchmark was run).
And this is of course assuming you're not running an antivirus on the
machine, if you do, it's going to get worse (unless you at least
exclude the directories containing the data from virus scanning).
That said, there is plenty of people running GeoServer on windows server,
all you need to do is to throw more hardware at the problem,
for some that's not a big deal :-)
Cheers
Andrea
--
==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.
==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
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mob: +39 339 8844549
http://www.geo-solutions.it
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