Re: [Geoserver-users] Native JAI

[Rini.Angreani]

Hi Andrea,


Thanks for your help. I also found the log in GeoWebCache and did a comparison 
with non populated tile cache :-).

I thought I would double check by asking the list to cover all the bases - in 
case it's used elsewhere.

Thanks again.


Cheers

Rini


From: andrea.a...@gmail.com <andrea.a...@gmail.com> on behalf of Andrea Aime 
<andrea.a...@geo-solutions.it>
Sent: Wednesday, 12 October 2016 3:44 PM
To: Angreani, Rini (Mineral Resources, Kensington WA); Simone Giannecchini; 
Kevin Smith
Cc: GeoServer Mailing List List; Warren, Peter (Mineral Resources, North Ryde)
Subject: Re: [Geoserver-users] Native JAI

Hi Rini,
that log is actually from GeoWebCache, so a proper performance comparison 
should be done
by hitting a non yet populated tile cache and force GWC to popupate it... like 
a seeding operation
for example.

That said, the JAI "crop" operation is actually doing nothing, it's just making 
the image look smaller
to the callers by changing its origin, width and height (thus metadata),
so I don't see how a native extension can make any difference. From the javadoc 
of CropOpImage:

 *  Tiles that are completely inside or intersect the cropped region
 * (this image's bounds) are simply forwarded from the source.  Do NOT
 * create a child raster even if a tile is not contained in this image's
 * bounds.  Tiles that are outside the croppped region result in a
 * null return.

My guess is that the comment actually relates to an issue in the Java JPEG 
encoder that fails
to encode properly shifted images (ones with origin not 0,0). However this 
should have been
fixed in the meantime.
Simone, do you remember any better?

To see if the code still has any merit, one should try to remove the 
BufferedImage extraction code here
and see if that actually makes any difference:
https://github.com/GeoWebCache/geowebcache/blob/master/geowebcache/core/src/main/java/org/geowebcache/layer/MetaTile.java#L319

It is also to be noted that GeoServer is using its own metatile subclass, with 
entirely different code, it would be nice to just push back
the override, but I'm not 100% sure it's possible (due to dependencies that 
might be available in GeoServer, but not in GeoWebCache):
https://github.com/geoserver/geoserver/blob/master/src/gwc/src/main/java/org/geoserver/gwc/layer/GeoServerMetaTile.java#L162

But yeah, in the context of GeoServer that warning is just noise, since the 
code depending on that variable is not even executed.

Cheers
Andrea


On Wed, Oct 12, 2016 at 8:07 AM, 
<rini.angre...@csiro.au<mailto:rini.angre...@csiro.au>> wrote:
Hi list,

We notice a warning about Native JAI not being installed in the log files. I 
did a simple WMS GetMap performance comparison with and without native JAI, and 
they seem to be pretty much the same. Does anyone know if/how native JAI affect 
performance?

WARN [layer.MetaTile] - * Native JAI is not installed, meta tile 
cropping may be slow 

Thanks
Rini

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Re: [Geoserver-users] Native JAI

[Andrea Aime]

Hi Rini,
that log is actually from GeoWebCache, so a proper performance comparison
should be done
by hitting a non yet populated tile cache and force GWC to popupate it...
like a seeding operation
for example.

That said, the JAI "crop" operation is actually doing nothing, it's just
making the image look smaller
to the callers by changing its origin, width and height (thus metadata),
so I don't see how a native extension can make any difference. From the
javadoc of CropOpImage:

 *  Tiles that are completely inside or intersect the cropped region
 * (this image's bounds) are simply forwarded from the source.  Do NOT
 * create a child raster even if a tile is not contained in this image's
 * bounds.  Tiles that are outside the croppped region result in a
 * null return.

My guess is that the comment actually relates to an issue in the Java JPEG
encoder that fails
to encode properly shifted images (ones with origin not 0,0). However this
should have been
fixed in the meantime.
Simone, do you remember any better?

To see if the code still has any merit, one should try to remove the
BufferedImage extraction code here
and see if that actually makes any difference:
https://github.com/GeoWebCache/geowebcache/blob/master/geowebcache/core/src/main/java/org/geowebcache/layer/MetaTile.java#L319

It is also to be noted that GeoServer is using its own metatile subclass,
with entirely different code, it would be nice to just push back
the override, but I'm not 100% sure it's possible (due to dependencies that
might be available in GeoServer, but not in GeoWebCache):
https://github.com/geoserver/geoserver/blob/master/src/gwc/src/main/java/org/geoserver/gwc/layer/GeoServerMetaTile.java#L162

But yeah, in the context of GeoServer that warning is just noise, since the
code depending on that variable is not even executed.

Cheers
Andrea


On Wed, Oct 12, 2016 at 8:07 AM,  wrote:

> Hi list,
>
>
>
> We notice a warning about Native JAI not being installed in the log files.
> I did a simple WMS GetMap performance comparison with and without native
> JAI, and they seem to be pretty much the same. Does anyone know if/how
> native JAI affect performance?
>
>
>
> WARN [layer.MetaTile] - * Native JAI is not installed, meta tile
> cropping may be slow 
>
>
>
> Thanks
>
> Rini
>
> 
> --
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
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> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>
>


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GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
phone: +39 0584 962313
fax: +39 0584 1660272
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Re: [Geoserver-users] Native JAI imageio

[Andrea Aime]

On Thu, Oct 31, 2013 at 8:40 AM, Hakala Oiva (MTT) oiva.hak...@mtt.fiwrote:

  Hi

 Seems that using native JAI and imageio causes problems with WFS-T.

 Tested with Geoserver 2.4.0, Tomcat7, Postgresql 9.1, Postgis 2. I,  JDK
 1.7.25, Ubuntu 12.04

 *Problem: Cannot save data to database.* Not a big problem. Can live well
 without Native JAI etc.


The likeliness of an accelerator to the raster subsystem affecting the
ability to write on the database seems to be
astronomically low.
Please report more details and a way to reproduce, this report is way too
generic :-)

Cheers
Andrea

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Re: [Geoserver-users] Native JAI set to False

[Simone Giannecchini]

Ciao David,
please, find my answers inline below...

Regards,
Simone Giannecchini
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On Mon, Sep 23, 2013 at 7:41 PM, David McKinney geomat...@gmail.com wrote:
 Ciao Simone,

 Thank you for responding.
 I'm on a Linux server. I am not running the GeoServer Suite. Rather, I am
 only using the GeoServer and GeoWebCache.

 I finally got the JAI installed correctly, I think. It took several attempts
 to download a .bin file from the documentation link that was not corrupted.
 I was able to install the following: jai-1_1_3-lib-linux-amd64-jre.bin


An alternative way of installing them is to get the tar.gz and place
the SO it contains under something like
/usr/lib/jvm/jdk1.6.0_45/jre/lib/amd64 or /usr/lib/jvm/jdk1.6.0_45/jre/lib/i386



 After restarting Apache Tomcat6, I see TRUE for Native JAI.
 However, Native JAI ImageIO is still FALSE.

That's because you only installed Native JAI. Native ImageIO is a
separate set of SO to be installed similarly but separately.


 I need to do a little more testing and reading to see if Native JAI ImageIO
 = TRUE is required for my needs. Perhaps you can offer some insight?


It speeds up PNG serving. For JPEG I do recommend using the Libjpeg
turbo extension instead,
http://docs.geoserver.org/stable/en/user/community/libjpeg-turbo/index.html


 I am now attempting to upload hundreds of Geotiffs as a bulk upload. This is
 the primary goal of my endeavor.
 To date, I have only been able to figure out how to upload one geotiff at a
 time.
 I need to be able to load the geotiffs to the GeoServer and have the WMS
 create the necessary 512x512 tiles at different resolutions.

 Do you know do I get hundreds of files uploaded as a coverage, such that
 they can be tiled and served?


If these files are part of a mosaic (e.g. orthos) you can put them
inside the directory and then use the imagemosaic to create a mosaic
by pointing to the parent directory. I would give a shot at these
slides (the new version will be online soon):
http://goo.gl/TXJRS

Just to add a bit to my thoughts, if you want to serve a mosaic off
100+ files at all scales this might be problematic since
you might end up opening too many files at once to answer a request at
large scales. Anyway, if you'll get to this point
I'll help you again, I believe first thing is to get some confidence
in using GeoServer.



 Thanks for any assistance you can offer.

 Regards,
 David


 On Mon, Sep 23, 2013 at 12:45 PM, Simone Giannecchini
 simone.giannecch...@geo-solutions.it wrote:

 Ciao David,
 if JAI is properly installed you need to check the relative checkbox
 in the JAI Settings panel:

 http://docs.geoserver.org/stable/en/user/webadmin/server/JAI.html

 However if in the status page native JAI is false that means it was
 not installed properly.
 Can you elaborate a bit on what your OS is and what you did to install
 native JAI?

 Regards,
 Simone Giannecchini
 ==
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 phone: +39 0584 962313
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 On Mon, Sep 23, 2013 at 5:27 PM, David McKinney geomat...@gmail.com
 wrote:
  I am using the integrated installation of GeoServer and GeoWebCache (not
  the
  suite). I see in the documentation that Native JAI needs to be installed
  and
  set to True. It is installed. But the GeoServer Status page says that
  Native
  JAI is False. How do I change the status from False to True?
 
  Thanks!
 
 
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Re: [Geoserver-users] Native JAI set to False

[Simone Giannecchini]

Ciao David,
if JAI is properly installed you need to check the relative checkbox
in the JAI Settings panel:

http://docs.geoserver.org/stable/en/user/webadmin/server/JAI.html

However if in the status page native JAI is false that means it was
not installed properly.
Can you elaborate a bit on what your OS is and what you did to install
native JAI?

Regards,
Simone Giannecchini
==
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more information.
==

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55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob:   +39  333 8128928

http://www.geo-solutions.it
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---


On Mon, Sep 23, 2013 at 5:27 PM, David McKinney geomat...@gmail.com wrote:
 I am using the integrated installation of GeoServer and GeoWebCache (not the
 suite). I see in the documentation that Native JAI needs to be installed and
 set to True. It is installed. But the GeoServer Status page says that Native
 JAI is False. How do I change the status from False to True?

 Thanks!

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Re: [Geoserver-users] Native JAI not working

[Benjamin Mearns]

Glad to hear it, Michael!

I don't remember needing to set any parameters via Tomcat manager or in any
files ... just directly in my Windows environment variables:

These are the three related to Java or Geoserver that I had set (included
the values just for example).  BTW, I didn't see anything on PATH related
to either.

JAVA_HOME = C:\Program Files\Java\jdk1.7.0_04
GEOSERVER_DATA_DIR = C:\Program Files (x86)\geoserver-2.2\data_dir
GEOSERVER_HOME = C:\Program Files (x86)\geoserver-2.2

Ben


On Tue, Jul 3, 2012 at 3:10 PM, Michael Smith micha...@abag.ca.gov wrote:

 Ben and Andrea,
 I finally got it to work today. I ended up adding the JRE home, bin, and
 lib\ext locations to my PATH statement, probably overkill but it was late
 enough I just wanted to put all the key directories in the PATH.  What
 really seemed to be the key, though, was entering the locations of the
 three native JAI JAR files to the 'Java Classpath' line (Java tab) in the
 Tomcat properties manager.

 Ben, I am using Windows Server 2003 (32 bit) and Tomcat 6.0.35 so I am not
 sure if it is directly applicable to your setup, but wanted to pass on what
 worked for me. Thank you for offering to help!

 Andrea, thank you for the troubleshooting help. Once I get my development
 server back I will redo the process to see the minimal steps required to
 get GeoServer on Windows 2003 to recognize the native JAI and will pass
 that on if you are interested. One might only have to update the classpath
 in the Tomcat properties manager, and nothing else, but I do not know as I
 did not go back and try that. Since the setup I need right now works, I am
 going to leave it alone.


 - Michael





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Re: [Geoserver-users] Native JAI not working

[Benjamin Mearns]

Michael,

I'm hoping to reinstall on a VM and document my install soon.

Ben

On Monday, July 2, 2012, Michael Smith micha...@abag.ca.gov wrote:
 The native JAI Windows installers install the files to
JAVA_HOME\jre\lib\ext

 To try and get the Windows installers output recognized I tried the
following:
 1- set symlinks to the files installed in JAVA_HOME\jre\lib\ext in
JAVA_HOME\jre\lib\i386
 2 - set symlinks to the files installed in JAVA_HOME\jre\lib\ext in
tomcat\webapps\geoserver\WEB-INF\lib (thought I would try this again and
leave the 1.1.3 off the end of the file names to see if the name was what
caused the server status to read false for native JAI)

 Neither option worked. I also added the JRE location within the JDK to
the system PATH statement.

 When GeoServer is deployed as a WAR through Apache Tomcat it is not
installed as its own service, so there is no wrapper.conf generated that
can be edited. To make sure it was not in another location I did a search
on the entire drive.


 - Michael





 Andrea Aime andrea.a...@geo-solutions.it 6/29/2012 12:11 PM 
 Hmm.. native JAI should be installed in $JAVA_HOME/jre/lib/i386 on such
 platform. Aren't you using the windows installers? They
 do place it in the right position.
 Hum... and then there is the service wrapper, maybe that one needs some
 configuration as well, see here:

http://geo-solutions.blogspot.it/2010/02/fix-gdal-extension-not-working-with.html

 Cheers
 Andrea


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Re: [Geoserver-users] Native JAI not working

[Michael Smith]

Ben and Andrea,
I finally got it to work today. I ended up adding the JRE home, bin, and 
lib\ext locations to my PATH statement, probably overkill but it was late 
enough I just wanted to put all the key directories in the PATH.  What really 
seemed to be the key, though, was entering the locations of the three native 
JAI JAR files to the 'Java Classpath' line (Java tab) in the Tomcat properties 
manager.

Ben, I am using Windows Server 2003 (32 bit) and Tomcat 6.0.35 so I am not sure 
if it is directly applicable to your setup, but wanted to pass on what worked 
for me. Thank you for offering to help!

Andrea, thank you for the troubleshooting help. Once I get my development 
server back I will redo the process to see the minimal steps required to get 
GeoServer on Windows 2003 to recognize the native JAI and will pass that on if 
you are interested. One might only have to update the classpath in the Tomcat 
properties manager, and nothing else, but I do not know as I did not go back 
and try that. Since the setup I need right now works, I am going to leave it 
alone.


- Michael



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Re: [Geoserver-users] Native JAI not working

[Michael Smith]

The native JAI Windows installers install the files to JAVA_HOME\jre\lib\ext

To try and get the Windows installers output recognized I tried the following:
1- set symlinks to the files installed in JAVA_HOME\jre\lib\ext in 
JAVA_HOME\jre\lib\i386
2 - set symlinks to the files installed in JAVA_HOME\jre\lib\ext in 
tomcat\webapps\geoserver\WEB-INF\lib (thought I would try this again and leave 
the 1.1.3 off the end of the file names to see if the name was what caused the 
server status to read false for native JAI)

Neither option worked. I also added the JRE location within the JDK to the 
system PATH statement.

When GeoServer is deployed as a WAR through Apache Tomcat it is not installed 
as its own service, so there is no wrapper.conf generated that can be edited. 
To make sure it was not in another location I did a search on the entire drive.


- Michael





 Andrea Aime andrea.a...@geo-solutions.it 6/29/2012 12:11 PM 
Hmm.. native JAI should be installed in $JAVA_HOME/jre/lib/i386 on such
platform. Aren't you using the windows installers? They
do place it in the right position.
Hum... and then there is the service wrapper, maybe that one needs some
configuration as well, see here:
http://geo-solutions.blogspot.it/2010/02/fix-gdal-extension-not-working-with.html
 

Cheers
Andrea


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Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
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phone: +39 0584 962313
fax:  +39 0584 962313
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http://twitter.com/geowolf


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Re: [Geoserver-users] Native JAI not working

[Andrea Aime]

On Fri, Jun 29, 2012 at 1:29 AM, Michael Smith micha...@abag.ca.gov wrote:

 After following the insructions provided at
 http://docs.geoserver.org/stable/en/user/production/java.html#production-javaI
  am unable to get GeoServer to start after removing the three jai*.jar
 files from geoserver\WEB-INF on Windows 2003 Server. If the three jai*.jar
 files are in geoserver\WEB-INF then GeoServer does not recognize the native
 libraries. Has anyone using Windows 2003 gotten this to work?


Windows 2003... 64 or 32 bits? Native JAI is available only for 32 bits on
Windows (on Linux you also get 64 bit support)

Cheers
Andrea

-- 
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584 962313
fax:  +39 0584 962313
mob:+39 339 8844549

http://www.geo-solutions.it
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Re: [Geoserver-users] Native JAI not working

[Andrea Aime]

On Fri, Jun 29, 2012 at 7:47 PM, Michael Smith micha...@abag.ca.gov wrote:

 Andrea,
 Yes, that would have been helpful. I am using the 32 bit version of
 Windows 2003.

 I installed Java and the native JAI prior to deploying the GeoServer WAR.
 The location of the JDK bin directory is at the beginning of the PATH
 environment variable so it is read first. After I installed Java and set
 the JAVA_HOME and %JAVA_HOME%\bin environment variables I rebooted the
 server so the proper Java resource was registered with the system. After
 installing the native JAI I rebooted again to refresh the system. After
 deploying the WAR I logged onto GeoServer to check that native JAI was
 reading false (as it should) then stopped the GeoServer service in Tomcat,
 deleted the three GeoServer JAI jars and started the service again. Native
 JAI in Server Status still read false, same after restarting the Tomcat
 service and rebooting the server again.


Hmm.. native JAI should be installed in $JAVA_HOME/jre/lib/i386 on such
platform. Aren't you using the windows installers? They
do place it in the right position.
Hum... and then there is the service wrapper, maybe that one needs some
configuration as well, see here:
http://geo-solutions.blogspot.it/2010/02/fix-gdal-extension-not-working-with.html

Cheers
Andrea


-- 
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584 962313
fax:  +39 0584 962313
mob:+39 339 8844549

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf
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Re: [Geoserver-users] Native JAI not working

[Andrea Aime]

On Fri, Jun 29, 2012 at 10:05 PM, Benjamin Mearns mea...@udel.edu wrote:

 Michael,

 I have the native JAI functioning on Windows Server 2008 R2 Standard SP1
 64-bit but with all other components of the stack being 32-bit ... these
 are the other components:

 -apache-tomcat-7.0.27.exe (32-bit)
 -jai_imageio-1_1 (32-bit)
 -jai-1_1_3 (32-bit)
 -jre-7u4 (32-bit)

 and geoserver-2.2-beta2-war

 It took me awhile (actually gave up for about a year and tried again) to
 get it working :-p  If you need help obtaining any of the components, let
 me know.


It would be great if someone could put togheter some documentation,
installing and optimizing GeoServer on Windows 200x

Cheers
Andrea

-- 
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584 962313
fax:  +39 0584 962313
mob:+39 339 8844549

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf
--
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threat landscape has changed and how IT managers can respond. Discussions 
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Re: [Geoserver-users] Native JAI not working

[Benjamin Mearns]

Michael,

I have the native JAI functioning on Windows Server 2008 R2 Standard SP1
64-bit but with all other components of the stack being 32-bit ... these
are the other components:

-apache-tomcat-7.0.27.exe (32-bit)
-jai_imageio-1_1 (32-bit)
-jai-1_1_3 (32-bit)
-jre-7u4 (32-bit)

and geoserver-2.2-beta2-war

It took me awhile (actually gave up for about a year and tried again) to
get it working :-p  If you need help obtaining any of the components, let
me know.

Ben

-- 
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University of Delaware
mea...@udel.edu : 302.831.1978
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