Erick Erickson created SOLR-10742:
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Summary: SolrCores.getCoreNames is quite inefficient and blocks
other core operations
Key: SOLR-10742
URL: https://issues.apache.org/jira/browse/SOLR-10742
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Erick Erickson
Assignee: Erick Erickson
SolrCores.getCoreNames iterates through all the cores to find all the aliases
to this core. It does this in a synchronized block which blocks other core
operations.
For installations with many cores this can be a performance issue. I'm not sure
it makes sense to do it this way anyway, perhaps SolrCore should have a list of
its current aliases and we can be more efficient about this? Or otherwise get
this information in a less heavy-weight fashion?
I'm assigning this to myself to keep track of it, but anyone who wants to grab
it please feel free.
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