As noted here, upgrading the NetCDF library will pose some challenge:
https://osgeo-org.atlassian.net/browse/GEOS-10831

See also:
* https://osgeo-org.atlassian.net/browse/GEOT-7048
* https://github.com/geotools/geotools/pull/3728
* https://github.com/geotools/geotools/pull/3738

Cheers
Andrea
Mostra testo citato

Il mar 24 gen 2023, 07:42 Jody Garnett <jody.garn...@gmail.com> ha scritto:

> I expect we will need to wait on netcdf for a fix; thank you for reporting
> the issue to them.
> --
> Jody Garnett
>
>
> On Fri, Jan 20, 2023 at 3:21 PM Hans Yperman <hans.yper...@vliz.be> wrote:
>
>> We found a bug where geoserver grows basically unbounded (32GB+) when
>> using hdf5, while the java heap and native heaps stay small (2GB and 300MB
>> resp). The bug still exists in the current version of netcdf-java. The main
>> symptom is unfortunately not noticeable with JVM tooling: a lot of mmapped
>> segments of around 64K each appear when you look on linux with pmap.
>>
>> I hacked a fix in the cdm-4.6.15.jar library. A test scenario that
>> crashed the server in minutes now runs for an hour straight without growing
>> the process RSS size.
>>
>> I logged a bug in both projects (the geoserver one is pretty minimal).
>>
>> https://github.com/Unidata/netcdf-java/issues/1138
>>
>> https://osgeo-org.atlassian.net/browse/GEOS-10831
>>
>>
>>
>>
>>
>> *Hans Yperman*
>>
>> Department IT
>>
>> *Vlaams Instituut voor de Zee vzw*
>>
>> InnovOcean Campus, Jacobsenstraat 1
>>
>> 8400 Oostende, België
>>
>>
>>
>> ☎+32 (0) 59 33 61 13
>>
>> 📧 hans.yper...@vliz.be
>>
>> *www.vliz.be <http://www.vliz.be>*
>>
>>
>>
>>
>> _______________________________________________
>> Geoserver-users mailing list
>>
>> Please make sure you read the following two resources before posting to
>> this list:
>> - Earning your support instead of buying it, but Ian Turton:
>> http://www.ianturton.com/talks/foss4g.html#/
>> - The GeoServer user list posting guidelines:
>> http://geoserver.org/comm/userlist-guidelines.html
>>
>> If you want to request a feature or an improvement, also see this:
>> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
>>
>>
>> Geoserver-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>>
> _______________________________________________
> Geoserver-users mailing list
>
> Please make sure you read the following two resources before posting to
> this list:
> - Earning your support instead of buying it, but Ian Turton:
> http://www.ianturton.com/talks/foss4g.html#/
> - The GeoServer user list posting guidelines:
> http://geoserver.org/comm/userlist-guidelines.html
>
> If you want to request a feature or an improvement, also see this:
> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
>
>
> Geoserver-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>
_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this 
list:
- Earning your support instead of buying it, but Ian Turton: 
http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: 
http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: 
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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