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Operating system metrics are provided per host and reported by the broker back to the domain for optional inclusion in domain aggregates.
To obtain a list of the names of all metrics that a broker tracks, invoke the NuoDB Manager
show metricKeys command. See Show MetricKeys.
Brokers track the following operating system metrics:
|OS-cpuTotalTimePercent||Percent total time spent.|
|OS-cpuSystemTimePercent||Percent system time spent.|
|OS-memUsedPercent||Percent physical memory used.|
|OS-netAllInbound||Traffic in bytes.|
|OS-netAllOutbound||Traffic in bytes.|
|OS-fsVarDirUsePercent||This reports percent disk usage for the default storage manager archive location.|
Percentage of CPU capacity that the process generating the metric used since the last time this process provided metrics. See Metrics Published by Database Processes.
NuoDB calculates this by normalizing the percentage reported by the
To see this metric, you must set the NuoDB Manager
|PercentCpuTime||Percentage of both system kernel and system user time since the last time metrics were provided by the process generating this metric. This is
See also: Metrics Published by Database Processes.