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https://issues.apache.org/jira/browse/SOLR-7248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14363427#comment-14363427
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Varun Thacker commented on SOLR-7248:
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bq. We may want to first add and improve them behind legacyCloud as an option
and once we have confidence in them, move them to default?
+1.
What are the things that you have in mind that we could add to make ZK as truth?
> In legacyCloud=false mode we should check if the core was hosted on the same
> node before registering it
> --------------------------------------------------------------------------------------------------------
>
> Key: SOLR-7248
> URL: https://issues.apache.org/jira/browse/SOLR-7248
> Project: Solr
> Issue Type: Bug
> Affects Versions: 5.0
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Fix For: Trunk, 5.1
>
> Attachments: SOLR-7248.patch, SOLR-7248.patch
>
>
> Related discussion here - http://markmail.org/message/n32mxbv42hzuneyy
> Currently we check if the same coreNodeName is present in clusterstate before
> registering it. We should make this check more stringent and allow a core to
> be registered only if it the coreNodeName is present and if it's on the same
> node.
> This will ensure that junk replica folders lying around on old nodes don't
> end up registering themselves when the node gets bounced.
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