chatman commented on a change in pull request #1758: URL: https://github.com/apache/lucene-solr/pull/1758#discussion_r472948399
########## File path: solr/core/src/java/org/apache/solr/cluster/events/ClusterSingleton.java ########## @@ -0,0 +1,14 @@ +package org.apache.solr.cluster.events; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; + +/** + * Intended for {@link org.apache.solr.core.CoreContainer} plugins that should be + * enabled only one instance per cluster. + * <p>Implementation detail: currently these plugins are instantiated on the + * Overseer leader, and closed when the current node loses its leadership.</p> + */ +@Retention(RetentionPolicy.RUNTIME) +public @interface ClusterSingleton { Review comment: I think you're totally misunderstanding what I'm saying here. > I'd rather have such code be in lucene-solr and not be loaded when not in use, I'm not opposed to such code staying in official Solr repository. Even the autoscaling framework will be there. But, I am opposed to having such coordination in "solr-core" module of the repository. It should be a separate package/jar, that depends on "solr-core". ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org