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https://issues.apache.org/jira/browse/SOLR-13155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16765090#comment-16765090
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Andrzej Bialecki commented on SOLR-13155:
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This patch adds more options:
* dump the ClusterState
* dump the aggregated collection and node statistics.
If there are no objections I'm going to commit this, and I'll create a separate
issue for hooking this up to the Windows script.
> CLI tool for testing autoscaling suggestions against a live cluster
> -------------------------------------------------------------------
>
> Key: SOLR-13155
> URL: https://issues.apache.org/jira/browse/SOLR-13155
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
> Fix For: 8.0, master (9.0)
>
> Attachments: SOLR-13155.patch, SOLR-13155.patch, SOLR-13155.patch
>
>
> Solr already provides /autoscaling/diagnostics and /autoscaling/suggestions
> endpoints. In some situations it would be very helpful to be able to run
> "what if" scenarios using data about nodes and replicas taken from a
> production cluster but with a different autoscaling policy than the one that
> is deployed, without also worrying that the calculations would negatively
> impact a production cluster's Overseer leader.
> All necessary classes (including the Policy engine) are self-contained in the
> SolrJ component, so it's just a matter of packaging and writing a CLI tool +
> a wrapper script.
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