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https://issues.apache.org/jira/browse/OAK-1452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13910179#comment-13910179
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Thomas Mueller edited comment on OAK-1452 at 2/24/14 11:03 AM:
---------------------------------------------------------------

The query plan, and the cost of the various indices (even those that are not 
used) are logged with debug level.

The only problem I see is that there is too much logging (there are some 
queries that are run very often in a background thread, and those make the log 
file hard to use).






was (Author: tmueller):
The query plan and the cost of the various is logged (debug level).

This issue is marked as a duplicate of OAK-1338, and OAK-1338 is closed. So I 
guess this is closed as well.





> Expose query plans
> ------------------
>
>                 Key: OAK-1452
>                 URL: https://issues.apache.org/jira/browse/OAK-1452
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: query
>            Reporter: Michael Marth
>            Assignee: Thomas Mueller
>            Priority: Minor
>              Labels: production, resilience
>             Fix For: 1.0
>
>
> For debugging slow queries we need a way to analyze: which indexes where used 
> and why (what were the cost responses of the non-used indexes).
> This is related to OAK-1217



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