Interesting info there that I was unaware of with the jai-ext startup
parameter. We have a bunch of ImageMosaic layers served as PNG with a default
GeoServer 2.13.0 install (no native JAI installed).
Would the recommended setting generally be to use
-Dorg.geotools.coverage.jaiext.enabled=true then leave the defaults in
GeoServer Image Processing settings like below?
PNG Encoder: PNGJ based encoded (recommended)
JPEG Native Acceleration: off
Mosaic Native Acceleration: off
Warp Native Acceleration: off
JAI/JAIEXT Setup
JAIEXT Operations
all
JAI OPERATIONS
none
Ashley Mort
Sr. Software Engineer
From: Andrea Aime [mailto:andrea.a...@geo-solutions.it]
Sent: Saturday, September 1, 2018 5:20 AM
To: Bessette-Halsema, Dominique E <dominique.besse...@gdit.com>
Cc: GeoServer Mailing List List <geoserver-users@lists.sourceforge.net>
Subject: [External] Re: [Geoserver-users] performance questions
Hi,
yes, the performance drop looks bad. Have you enabled jai-ext in 2.13.x? (it
does more work, more comprehensive
ROI handling and NODATA Handling which was not there before) so for a simple
scale it's slower also in my local tests,
that said we are running all production envs with jai-ext enabled with no
complaints (probably because bottleneck are elsewhere,
network storage, JPEG2000 decompression and the like).
If you did not enable jai-ext in both environments, did you install native JAI
in both?
Cheers
Andrea
On Sat, Sep 1, 2018 at 1:48 AM Bessette-Halsema, Dominique E
<dominique.besse...@gdit.com<mailto:dominique.besse...@gdit.com>> wrote:
Hello
I was recently doing some performance tests on the v2.5 GeoServer.
Jmeter Test configuration:
The tests were for WMS 1.3.0 getMap requests for a 74x96 deg of a GeoTiff.
The interpolation is set to bilinear and each test run is performed 100 times
in a loop.
Each loop is paused for 200-500 milliseconds before sending out the next batch
of concurrent requests.
Example request:
https://localhost:8443/geoserver/test/wms?layers=test:grid&width=512&height=666&bbox=73.0,-19.0,147.0,77.0&srs=CRS:84&format=image/png&version=1.3.0&service=WMS&request=GetMap.
To be candid, The average response time is much worse in v2.13 compared to
v2.5. I ended up updated v2.13 to use Marlin but the performance is still not
as good as compared to v2.5. Attached are the before/after updates.
I know there were a lot of updates between the versions but is there a global
setting, cache, or configuration property that I should be looking into?
Dominique Bessette
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