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https://issues.apache.org/jira/browse/SOLR-11314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Braun updated SOLR-11314:
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Flags: Patch
> FastCharStream should avoid creating new IOExceptions as a signaling mechanism
> ------------------------------------------------------------------------------
>
> Key: SOLR-11314
> URL: https://issues.apache.org/jira/browse/SOLR-11314
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.0, 6.6.1, master (8.0)
> Reporter: Michael Braun
> Attachments: SOLR-11314.patch
>
>
> FastCharStream is used internally by solr query parser classes. It throws a
> new IOException to signal the end. However, this is quite expensive relative
> to most operations and it shows up very high on samples for extremely high
> query cases. The IOException should be a single static instance that can be
> shared to avoid the overhead in creation and populating the stack trace, a
> stack trace which is never used.
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