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https://issues.apache.org/jira/browse/LUCENE-6784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-6784:
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Attachment: LUCENE-6784.patch
Here is a patch. The default cache has a size of 32MB and I added a heuristic
to only enable it if this would represent less than 5% of the total memory that
is available to the JVM. If you think this heuristic is too complicated I can
remove it...
> Enable query caching by default
> -------------------------------
>
> Key: LUCENE-6784
> URL: https://issues.apache.org/jira/browse/LUCENE-6784
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 5.4
>
> Attachments: LUCENE-6784.patch
>
>
> Now that our main queries have become immutable, I would like to revisit
> enabling the query cache by default.
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