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The DataQualityMonitoring application needs to be fined tuned:

• provides (so far )30K trending quantities30,031 trending quantities, stored at 15 seconds intervals
• 31,525 histograms

When multiple runs are selected, histograms are added and trending quantities are fetched from the database for the resulting time period.

The first crash happened 2.5 hours into the test on Tue morning. Applications were rebalanced (i.e. DataQualityMonitoring application was isolated) and the memory was increased to 1.5 Gb. Three crashes happened in the last shift in an hour (guess that shifters liked to see the trended data over the 16 orbits (at 15 seconds intervals?) ).

• Clustering : Tomcat supports clustering.

• Aggregate old data to bigger time intervals? Prevent users from getting more data points than pixels on the screen?

The first crash

Things we need to fix afterwards

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