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Posted to dev@lucene.apache.org by Andrzej Białecki <ab...@getopt.org> on 2019/04/17 16:56:32 UTC
Metrics 4 upgrade and Ganglia reporter removal
Hi all,
I’d like to draw your attention to SOLR-12461: Upgrade Dropwizard Metrics to 4.0.5 release.
The upgrade would've been straightforward if not for the fact that Dropwizard removed support for Ganglia reporter in 4x due to a transitive LGPL dependency (on remotetea).
We have to upgrade this library on master - version 3x is not compatible with Java 11 (due to the internal use of sun.misc.Unsafe), so the Ganglia reporter on master is a goner either way. The question remains what to do about 8x.
We could stick to Metrics 3 on branch 8x in order to preserve back-compat, but Metrics 4 contains many important bug fixes and improvements so it’s a shame to have to keep using Metrics 3 for the complete lifecycle of 8x... I’m rather inclined to break the back-compat (ever so slightly ;) ) for the greater good - do the upgrade and remove Ganglia in 8x, and put a note in CHANGES to that effect.
What do people think about this?
—
Andrzej Białecki
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Re: Metrics 4 upgrade and Ganglia reporter removal
Posted by Andrzej Białecki <ab...@getopt.org>.
Judging from the resounding silence ;) it’s not a topic that people lose sleep over… I’ll go ahead then and do the upgrade + removal, both in master and in branch_8x. Feel free to chime in if you feel otherwise.
> On 17 Apr 2019, at 18:56, Andrzej Białecki <ab...@getopt.org> wrote:
>
> Hi all,
>
> I’d like to draw your attention to SOLR-12461: Upgrade Dropwizard Metrics to 4.0.5 release.
>
> The upgrade would've been straightforward if not for the fact that Dropwizard removed support for Ganglia reporter in 4x due to a transitive LGPL dependency (on remotetea).
>
> We have to upgrade this library on master - version 3x is not compatible with Java 11 (due to the internal use of sun.misc.Unsafe), so the Ganglia reporter on master is a goner either way. The question remains what to do about 8x.
>
> We could stick to Metrics 3 on branch 8x in order to preserve back-compat, but Metrics 4 contains many important bug fixes and improvements so it’s a shame to have to keep using Metrics 3 for the complete lifecycle of 8x... I’m rather inclined to break the back-compat (ever so slightly ;) ) for the greater good - do the upgrade and remove Ganglia in 8x, and put a note in CHANGES to that effect.
>
> What do people think about this?
>
> —
>
> Andrzej Białecki
>
>
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> To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
> For additional commands, e-mail: dev-help@lucene.apache.org
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