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Displaying posts with tag: query time histogram (reset)

Percona Monitoring Plugins fix: Query Response Time
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After switching from the Better Cacti Templates to the Percona Monitoring Plugins we suffered from the Query Response Time and the Query Time Histogram not graphing at all.

It took me a while to figure out why our new instance wasn’t graphing: the response time query was performing and the script was picking up its values. Also the rrd files were created but for some bizarre reason all values were set to “NaN”, in rrd/cacti terms: Not a …

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