Hi Simone, I played around with the configuration further and I found that the cause of the poor performance is actually due to caching with GWC. I was running GWC with direct integration with GeoServer WMS. When I turned off caching the performance was much better at roughly 10s response time. Is this expected with direct integration with GeoServer WMS? I haven't tried GWC WMS yet.
For information purposes here is the gdalinfo of my input file.
Driver: JP2ECW/ERDAS JPEG2000 (SDK 5.0)
Files: N55-W012.jp2
Size is 21621, 36021
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (-9.001458333333334,60.001458333333332)
Pixel Size = (0.000138888888889,-0.000138888888889)
Metadata:
AREA_OR_POINT=Point
COLORSPACE=RGB
COMPRESSION_RATE_TARGET=23
VERSION=1
Corner Coordinates:
Upper Left ( -9.0014583, 60.0014583) ( 9d 0' 5.25"W, 60d 0' 5.25"N)
Lower Left ( -9.0014583, 54.9985417) ( 9d 0' 5.25"W, 54d59'54.75"N)
Upper Right ( -5.9985417, 60.0014583) ( 5d59'54.75"W, 60d 0' 5.25"N)
Lower Right ( -5.9985417, 54.9985417) ( 5d59'54.75"W, 54d59'54.75"N)
Center ( -7.5000000, 57.5000000) ( 7d30' 0.00"W, 57d30' 0.00"N)
Band 1 Block=256x256 Type=Byte, ColorInterp=Red
Description = Red
Overviews: 10810x18010, 5405x9005, 2702x4502, 1351x2251, 675x1125, 337x562,
168x281
Band 2 Block=256x256 Type=Byte, ColorInterp=Green
Description = Green
Overviews: 10810x18010, 5405x9005, 2702x4502, 1351x2251, 675x1125, 337x562,
168x281
Band 3 Block=256x256 Type=Byte, ColorInterp=Blue
Description = Blue
Overviews: 10810x18010, 5405x9005, 2702x4502, 1351x2251, 675x1125, 337x562,
168x281
I am using the GDAL plug-in and image mosaic plug-in to serve this layer. See
the attachment for layer configuration. Can you elaborate on what keywords I'm
looking for in the verbose log? It's quite extensive.
Thanks,
Danny
-----Original Message-----
From: simbo...@gmail.com [mailto:simbo...@gmail.com] On Behalf Of Simone
Giannecchini
Sent: Friday, November 28, 2014 8:11 AM
To: Danny Cheng
Cc: geoserver-users@lists.sourceforge.net
Subject: Re: [Geoserver-users] 2.6.1 JPEG2000 Performance
Dear Danny,
can you give us a bit more info as per the following questions?
- provide us a gdalinfo of the input file
- which plugin are you using for serving this file?
- provide us with the config in geoserver for this layer
- which plugin where you using to serve this layer
It looks to me the siutation where GeoServer is not loading a specific
JP2 plugin (ECW or Kakadu) and is actually using the internal JJ2000 one which
is _extremely_ slow.
To spot such a problem you need to restart the geoserver with the log to
verbose and look at the plugin that have been disabled. This might be next step
once we get some basic information
Regards,
Simone Giannecchini
==
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==
Ing. Simone Giannecchini
@simogeo
Founder/Director
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
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On Thu, Nov 27, 2014 at 9:45 PM, Danny Cheng <dch...@mdacorporation.com> wrote:
> Hi,
>
>
>
> Did anyone notice a significant drop in JPEG2000 performance when
> making WMS GetMap request? My request format is PNG and tile size is
> 256x256. I find that it is taking very long to encode to PNG and it
> took about 4 minutes to get back my image. I didn’t have this problem with
> 2.5.2.
>
>
>
> Thanks,
> Danny
>
>
>
>
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JP2000_Test.rar
Description: JP2000_Test.rar
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