Issue #7068 has been updated by Vincent Louviaux.

the tool mysqltuner report this problem :
[!!] Joins performed without indexes
Adjust your join queries to always utilize indexes

I will to try to use another mysql version
actully the dashboard in on rhel5.6 mysql-server-5.0.77-4.el5_5.5
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Bug #7068: performance issue 
https://projects.puppetlabs.com/issues/7068

Author: Vincent Louviaux
Status: Unreviewed
Priority: Normal
Assignee: 
Category: 
Target version: 
Keywords: performance
Branch: 
Affected URL: 
Affected Dashboard version: 1.1.0


one query take always many seconds
select on tables nodes or reports are very quick, I have notice this trouble 
only with this join.

is an index missing or?

  Node Load (8157.7ms)   SELECT `nodes`.* FROM `nodes` INNER JOIN `reports` ON 
reports.node_id = nodes.id WHERE ((reports.kind = 'apply' AND reports.status = 
'failed') AND (`nodes`.`hidden` = 0)) GROUP BY nodes.id



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