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https://issues.apache.org/jira/browse/SOLR-9117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15286907#comment-15286907
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Erick Erickson commented on SOLR-9117:
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[~shalinmangar] I assigned this to myself just so I don't lose track of it, not
to take it away from you ;). Please go ahead and commit if you get to it before
I do.
> Leaking the first SolrCore after reload
> ---------------------------------------
>
> Key: SOLR-9117
> URL: https://issues.apache.org/jira/browse/SOLR-9117
> Project: Solr
> Issue Type: Bug
> Reporter: Jessica Cheng Mallet
> Assignee: Erick Erickson
> Labels: core, leak
> Attachments: SOLR-9117.patch
>
>
> When a SolrCore for a particular index is created for the first time, it's
> added to the SolrCores#createdCores map. However, this map doesn't get
> updated when this core is reloaded, leading to the first SolrCore being
> leaked.
> Taking a look at how createdCores is used, it seems like it doesn't serve any
> purpose (its only read is in SolrCores#getAllCoreNames, which includes
> entries from SolrCores.cores anyway), so I'm proposing a patch to remove the
> createdCores map completely. However, if someone else knows that createdCores
> exist for a reason, I'll be happy to change the fix to updating the
> createdCores map when reload is called.
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