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https://issues.apache.org/jira/browse/SOLR-15577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Bialecki updated SOLR-15577:
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Summary: Avoid ClusterState.getCollectionsMap() when not necessary (was:
Avoid {{ClusterState.getCollectionsMap()}} when not necessary)
> Avoid ClusterState.getCollectionsMap() when not necessary
> ---------------------------------------------------------
>
> Key: SOLR-15577
> URL: https://issues.apache.org/jira/browse/SOLR-15577
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
>
> I noticed that in a few places (eg. CollectionsHandler LIST_OP,
> ClusterStatus) when a simple list of available collections is needed the code
> invokes {{clusterState.getCollectionsMap()}}, which has to retrieve all
> collections information into memory. This should be replaced with something
> like {{clusterState.getCollectionStates().keySet()}}.
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