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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2017/07/04 18:56:00 UTC
[jira] [Updated] (SOLR-10742) SolrCores.getNamesForCore is quite
inefficient and blocks other core operations
[ https://issues.apache.org/jira/browse/SOLR-10742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson updated SOLR-10742:
----------------------------------
Description:
SolrCores.getNamesForCore 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.
was:
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.
> SolrCores.getNamesForCore 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.getNamesForCore 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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