Why are thresholds and alerts not working in Database tab metrics of MS SQL monitor?
In Applications Manager's MS SQL monitor, metrics under the Database tab are collected once every hour by default. This is controlled by the 'Collect data in every hour' option under Settings → Performance Polling → MS SQL → Metric Name: Database, which is enabled by default.
When this option is enabled, thresholds are evaluated, and alerts are triggered only once per hour. To collect data and evaluate thresholds at every poll interval, you can enable the Collect data during every poll option and click on Save.
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