Ah, I think I forgot to tick the HTML box. Here is the original message:Since
Oracle's long-term support JRE 8 is not available for free anymore, we
needed to find an alternative that is just as performant. The advice on
this page <https://docs.geoserver.org/latest/en/user/production/java.html>
might seem outdated, but there is still truth in it: in our experience
OpenJDK 8 has always been outperformed by Oracle JRE 8. So we ran a quick
and dirty benchmark using jMeter and the multiscale approach described here
<https://geoserver.geo-solutions.it/edu/en/enterprise/jmeter.html> , for
Oracle JRE 8, OpenJDK 8 (as available here
<https://launchpad.net/~openjdk-r/+archive/ubuntu/ppa> ), AdoptOpenJDK
(Hotspot), and Amazon Corretto.*Environment:*Ubuntu 16.04 LTSGeoServer
2.15.0Marlin 0.9.4.2Native JAI and ImageIO*JVM options: *I cannot give
details about the dataset used, as it's confidential - initially, we did not
plan to publish these results. But the numbers should be telling.And here
are the results. See this page
<https://jmeter.apache.org/usermanual/component_reference.html#Aggregate_Report>
for an explanation of the header, although not all of those columns are
present in my reports. There's always room for debate, but /Average/ and
/Throughput/ should give you a rough idea.So it turns out, at least in the
realm of Java 8, AdoptOpenJDK and Amazon Corretto are viable alternatives to
Oracle JRE. We are not rushing to upgrade to Java 11 yet, but it will be
interesting to see if the difference between Oracle JRE and the "stock"
OpenJDK still stands.I hope this is helpful to those who still need to run
on Java 8.Manuel Timitaillustreets.com
--
Sent from: http://osgeo-org.1560.x6.nabble.com/GeoServer-User-f3786390.html
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