Randy George ha scritto:
> Hi Andrea,
>
> * jkd 1.6.0 : 10.7 MB/s !!
Heh, hold the horses a second :-)
That result should not be taken as a general statement of
Geoserver performance, it's a very specific use case, to
reproduce it you got to use a ton (100.000)
of point geometries in a shapefile.
Today I tried with a big road network sitting in Postgis
with a lot more of coordinates and small attributes,
that does generate more or less the same amount of GML,
but the speed in JDK 1.6 is around 4MB/s.
I have other patches sitting on my disk to bring even
this one to around 8MB/s, but they are more profound and
extensive (JDK class replacements) and they will need to be tested
a lot more before hitting Geoserver for good.
That first change, in any cause, will bring goodness to all
services, but in general, a lot of gain if the operation is
basically moving a big amount of data and not doing any computation,
quite a few if on the other side the operation is CPU bound and
moves very few data (such as WMS is). The improvement can go
from 2 times in the luckiest case (the one I was reporting)
to maybe 10%-20% in WMS serving.
Cheers
Andrea
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