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Graph History has a defined list of metrics that you can visualize.
However, the historical data collected on the system includes many more metrics than are visualized. This RFE is to request additional metrics be added to the graph history metric selection.
I'd like to see the following: - Number of active threads in the system - Total number of transient threads in the system - Number of active jobs in the system - Total number of transient jobs in the system - Full opens
Also, of particular interest are the metrics in the QAPMHMSQPL file.
Historical data has many valuable use cases; expanding the metrics that are visualized can increase the value of Graph History.
For active jobs and threads, it is helpful to know the overall trend over time to help understand workload growth. Likewise with transient jobs and threads. Db2 and SQL metrics are really needed to help understand workload changes over time, or plan cache efficiency over time. Metrics related to the plan cache, in particular, can be very useful to help identify "When did something change...."
Historical data can be very useful in identifying anomalies, particularly recent issues where the full Collection Services data still exists on the system. The CS data can then be reviewed with PDI to identify what caused the usual event.
Without adding these metrics to Graph History, you have to query the historical data files directly, which can give good insights, but graphs provided in Navigator would make this useful to those that do not understand how to query the historical data directly.
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