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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2015/03/25 14:16:52 UTC

[jira] [Created] (OAK-2679) Query engine: cache execution plans

Thomas Mueller created OAK-2679:
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             Summary: Query engine: cache execution plans
                 Key: OAK-2679
                 URL: https://issues.apache.org/jira/browse/OAK-2679
             Project: Jackrabbit Oak
          Issue Type: Improvement
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller


If there are many indexes, preparing a query can take a long time, in relation to executing the query.

The query execution plans can be cached. The cache should be invalidated if there are new indexes, or indexes are changed; a simple solution might be to use a timeout, and / or a manual cache clean via JMX or so.



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