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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2018/06/05 16:01:00 UTC
[jira] [Updated] (SOLR-12233) QParserPlugin maintains a list of
classes recreated every time a Solrcore object is created
[ https://issues.apache.org/jira/browse/SOLR-12233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Smiley updated SOLR-12233:
--------------------------------
Attachment: SOLR-12233.patch
> QParserPlugin maintains a list of classes recreated every time a Solrcore object is created
> -------------------------------------------------------------------------------------------
>
> Key: SOLR-12233
> URL: https://issues.apache.org/jira/browse/SOLR-12233
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.1.1
> Reporter: Jeff Miller
> Assignee: David Smiley
> Priority: Minor
> Attachments: SOLR-12233.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> QParserPlugin maintains a static map of Class Names to Class objects and everytime we create a SolrCore object this causes a lot of overhead doing classloader lookups. Our system runs a lot of cores and the classloader gets bogged down when a lot of threads are creating solrcore objects.
> There's no need to create these objects every time, similar classes such as
> TransformerFactory store the object one time and reference it over and over again
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