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From Mauro Molinari <mauro...@tiscali.it>
Subject Re: Alternative JVM with Groovy (Azul,...) ?
Date Thu, 08 Mar 2018 14:53:12 GMT
FWIW we have been using OpenJDK (installed from Ubuntu repositories) to 
run web applications using Groovy in production for years without any issue.

Mauro

Il 08/03/2018 15:05, Eric Helgeson ha scritto:
> Hi,
>
> It used to be the case that OpenJDK and OracleJDK  had quite a few 
> differences in terms of performance and compatibility. But that is no 
> longer the case in my experience & should be no technical differences 
> in the near future:
>
> [1] > [The] intent is that within a few releases there should be no 
> technical differences between OpenJDK builds and Oracle JDK binaries.
>
> In fact many IaaS platforms can only run OpenJDK due to licensing - so 
> if you're running Grails on AWS Elastic Beanstalk you're already using 
> OpenJDK (which we do).
>
> Since AWS uses OpenJDK I've been using Azul on my Mac (via sdkman) for 
> quite some time and have not noticed any incompatibilities or 
> differences when running Grails or other small groovy apps/scripts.
>
> With Oracle's new release cadence and no overlapping support 
> timelines[2] - I don't see how any non-oracle-paying java users could 
> use anything but OpenJDK. For me I don't want to spend time upgrading 
> my JDK - would rather ship customers features :)
>
> Just my 2c & experience,
> -Eric
>
> PS: Maybe worth reaching out to Azul and asking what tests they did to 
> mention Scala - and to add Groovy there too :D
>
> [1] 
> https://medium.com/codefx-weekly/no-free-java-lts-version-b850192745fb 
> <https://medium.com/codefx-weekly/no-free-java-lts-version-b850192745fb>
> [2] 
> https://cdn-images-1.medium.com/max/2000/1*vkAzxUI6lgP5sH7qfbNEqQ.png 
> <https://cdn-images-1.medium.com/max/2000/1*vkAzxUI6lgP5sH7qfbNEqQ.png> 
> (via [1])
>
> On Thu, Mar 8, 2018 at 6:09 AM mg <mgbiz@arscreat.com 
> <mailto:mgbiz@arscreat.com>> wrote:
>
>     Hi,
>
>     I would be interested to hear if anyone has experience with using
>     alternative JVMs with Groovy, especially Azul
>     (https://www.azul.com/) ?
>
>     Licensing costs for long term OpenJDK support seem to be much
>     lower, and the JVM has additional benefits such as an elastic
>     memory model (JVM memory is dynamically allocated/deallocated from
>     the os), continuous concurrent garbage collection without
>     freeze-the-world fallback, and application startup (warmup) time
>     improvements.
>     But I am worried about Groovy compatibility (they only mention
>     Scala explicitly on the web page)...
>
>     Cheers,
>     mg
>
>
> -- 
>
> -Eric Helgeson
>


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