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https://issues.apache.org/jira/browse/SOLR-11189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16113819#comment-16113819
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Shalin Shekhar Mangar commented on SOLR-11189:
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Sounds cool!
We also need to ensure that the nodes provisioned or decommissioned by this
action are not discovered again by other nodeLost or nodeAdded triggers.
> Provisioning actions for autoscaling
> ------------------------------------
>
> Key: SOLR-11189
> URL: https://issues.apache.org/jira/browse/SOLR-11189
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Andrzej Bialecki
> Fix For: master (8.0)
>
>
> Autoscaling should be able to provision new nodes when necessary, or
> decommission no longer needed nodes. Solr should support a few common
> platforms out of the box (eg. AWS and Azure) with an API for integration with
> other platforms.
> Auto-provisioning can already be implemented as a {{TriggerAction}}, however
> there are common non-trivial aspects that should be supported by the
> framework, such as:
> * authentication to cluster manager APIs
> * ability to consider cost vs. performance tradeoffs and constraints
> (avoiding over-provisioning and under-provisioning)
> * maintaining cluster stability (avoiding trashing) while reacting with small
> delay and lag. These aspects will likely require some form of feedback loop
> controller.
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