Data collection stopped, why?

Why does workload analysis stop collecting data and display a ? in the first column of the grid called monitored instances?

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  • Yes, I do work for IDERA.

    Support should be able to help you decide if the growth is unexpected. (Have you checked the space requirements in online help?)

    It samples queries rapidly for correlation and there is no aggregation to reduce space usage yet. So it should grow until grooming kicks in at about a month. Support can help you adjust that period if you want. It is documented in online help as well.

    Support also can provide a manual script to clear history if space is a concern.