[jira] [Resolved] (SOLR-15565) Optimize CLUSTERSTATUS when filtering by collection

["Andrzej Bialecki (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrzej Bialecki resolved SOLR-15565.
-------------------------------------
    Resolution: Invalid

It turns out this is already the case, ie. when {{collection}} param is used then only this collection is retrieved from {{ClusterState}}.

> Optimize CLUSTERSTATUS when filtering by collection
> ---------------------------------------------------
>
>                 Key: SOLR-15565
>                 URL: https://issues.apache.org/jira/browse/SOLR-15565
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Andrzej Bialecki
>            Assignee: Andrzej Bialecki
>            Priority: Major
>
> When user specifies {{collection}} parameter in the {{CLUSTERSTATUS}} command one would expect that Solr retrieves and materializes only that collection state. Unfortunately, {{ClusterStatus.getClusterStatus}} retrieves the complete map, which in turn materializes all collection statuses. On large clusters with many large collections this is wasteful.
> In this case, when user requests state information for some collection only, we should iterate just on the collection names and materialize only these collections' information.



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