Andrzej Bialecki created SOLR-15565:
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Summary: 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
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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