[Geoserver-devel] OpenJDK guidance

GeoServer GeoServer Developer
1

One by product of the changing landscape around Java 11 release - is a license change for the Oracle JDK.

Currently we have the following in our Production Considerations:

GeoServer’s speed depends a lot on the chosen Java Runtime Environment (JRE). The latest versions of GeoServer are tested with both Oracle JRE and OpenJDK. Implementations other than those tested may work correctly, but are generally not recommended.

…

For best performance we recommend the use Oracle JRE 8 (also known as JRE 1.8).

I think it is time we update our GeoServer release instructions to point towards OpenJDK, and then they can explore other commercial options as they see fit.

Does this require a GSIP or can I propose replacement text here on email?

Background reading:

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Jody Garnett

2

Separate from the licensing perspective, aren’t Oracle JDK and OpenJDK much closer in performance than they were when that documentation was written, to the point that there aren’t substantial differences in performance between the two?

Torben

On Tue, Oct 9, 2018 at 11:02 AM Jody Garnett <jody.garnett@anonymised.com> wrote:

One by product of the changing landscape around Java 11 release - is a license change for the Oracle JDK.

Currently we have the following in our Production Considerations:

GeoServer’s speed depends a lot on the chosen Java Runtime Environment (JRE). The latest versions of GeoServer are tested with both Oracle JRE and OpenJDK. Implementations other than those tested may work correctly, but are generally not recommended.

…

For best performance we recommend the use Oracle JRE 8 (also known as JRE 1.8).

I think it is time we update our GeoServer release instructions to point towards OpenJDK, and then they can explore other commercial options as they see fit.

Does this require a GSIP or can I propose replacement text here on email?

Background reading:

Jody Garnett

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3

I’ve been saying that for a while now :wink:

Cheers
Andrea

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4

Andrea has indeed been saying that for a while now :slight_smile:

If I understand correctly the lead project is now OpenJDK:

With a number of $free distributions (this is what we should highlight):

And a number of commercial distributions:

And to be really clear we do not intend to jump on the 6 month release train, and intend to stick to the LTS release cycle.

Aside I really like the difference between $free and open for this conversations (been looking for a short way to communicate that for a while).

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Jody Garnett