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https://issues.apache.org/jira/browse/SOLR-16974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840872#comment-17840872
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Ilan Ginzburg commented on SOLR-16974:
--------------------------------------
Looking at the [SolrCore constructor
call|https://github.com/apache/solr/blob/main/solr/core/src/java/org/apache/solr/core/SolrCore.java#L1076]
to build a
[CircuitBreakerRegistry|https://github.com/apache/solr/blob/main/solr/core/src/java/org/apache/solr/util/circuitbreaker/CircuitBreakerRegistry.java#L65]
it seems we redo the static configuration again for each core (even though the
configuration is not core specific)
> Global Circuit Breakers
> -----------------------
>
> Key: SOLR-16974
> URL: https://issues.apache.org/jira/browse/SOLR-16974
> Project: Solr
> Issue Type: New Feature
> Components: Circuit Breakers
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Priority: Major
> Fix For: 9.5
>
> Time Spent: 6h 50m
> Remaining Estimate: 0h
>
> Currently Circuit Breakers are configured per core in solrconfig.xml.
> However, cores/collections do not live in isolation, and it could be that a
> cluster administrator would like to enforce circuit breakers for the entire
> cluster.
> I'm not clear as to whether we need both cluster level and a core level
> pluggability. And would core-level breakers add to any cluster-level ones or
> override them for that core?
> A potential design is to add this as a new plugin in solr.xml, and have them
> added in a new static context of CircuitBreakerRegistry. Then the isTripped
> logic would consult both the per-core list and the static/global list of
> breakers.
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