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https://issues.apache.org/jira/browse/SOLR-12461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818270#comment-16818270
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Andrzej Bialecki commented on SOLR-12461:
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This patch upgrades the library and removes the support for Ganglia. I'm not
sure what to do about back-compat - basically, it's not possible to support
Ganglia without reimplementing that module, and again adding transitive LGPL
dependencies, and if we were to stick strictly to supporting it through all 8.x
releases then we wouldn't be able to upgrade.
Is an upgrade note in CHANGES describing the reasons for removal sufficient in
this case?
> Upgrade Dropwizard Metrics to 4.0.2 release
> -------------------------------------------
>
> Key: SOLR-12461
> URL: https://issues.apache.org/jira/browse/SOLR-12461
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: metrics
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
> Attachments: SOLR-12461.patch
>
>
> This version of the library contains several improvements and it's compatible
> with Java 9.
> However, starting from 4.0.0 metrics-ganglia is no longer available, which
> means that if we upgrade we will have to remove the corresponding
> {{SolrGangliaReporter}}.
> Such change is not back-compatible, so I see the following options:
> * wait with the upgrade until 8.0
> * upgrade and remove {{SolrGangliaReporter}} and describe this in the release
> notes.
> Any other suggestions?
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