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  • Christopher Bennage thinks this is interesting:

This “operations database”[106] (OpsDB) accumulates status and metrics from all the servers, applications, batch jobs, and feeds that make up the extended system. It provides the “single pane of glass” that can present business-oriented metrics in the dashboard, system statistics, and, best of all, the correlations between them. Whereas logging provides visibility into a single application, the broader view of the OpsDb unifies status and metrics reporting across the entire system.

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Note

See preceding figure.