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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2017/10/11 08:24:00 UTC

[jira] [Created] (OAK-6807) Query Recorder

Thomas Mueller created OAK-6807:
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             Summary: Query Recorder
                 Key: OAK-6807
                 URL: https://issues.apache.org/jira/browse/OAK-6807
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: query
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller


In order to manage indexes (e.g. find out which indexes are no longer needed, which properties don't need to be indexed any longer), we have an easy way to log all executed queries / query plans. 

Each entry only needs to be logged once (logging multiple times is OK, but ensure it's not logged to often). Different log levels can be used (e.g. log level "TRACE" logs more data, "DEBUG" less). For "DEBUG" level, overhead of logging should be minimal, so this can be kept enabled for a long time.



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