Fx for Update process :
https://github.com/grafana/grafana/pull/9226 we have this bug
- Open any mysql dashboard where we expect 1 sec resolution to be collected, as an example https://pmmdemo.percona.com/graph/d/MQWgroiiz/mysql-overview
- Set interval 1 sec
- Zoom any Panel
- on https://pmmdemo.percona.com/graph/d/MQWgroiiz/mysql-overview?from=1525224987916&to=1525227068527&orgId=1&var-interval=1s&var-host=ps57 you can see the data for every Second
- the data changes only every 15 sec
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Set up "scrape interval" for Prometheus datasourse as 1 sec by default
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|Fix resolution during the Update process||Done||
|[QA] test default resolution fixed during the update||Done||