Add lists of monitored metrics to the cgroups plugin documentation (#10924)
Vladimir Kobal committed
Apr 14, 2021 at 12:16 UTC
317bced458e8dcbb8cf96bd0b1a4bbe814534460
1 file changed
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collectors/cgroups.plugin/README.md
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@@ -147,6 +147,33 @@ Support per distribution:
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|AMI|NO|[here](http://pastebin.com/FrxmptjL)|not a systemd system|
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|CentOS 7.3.1611|NO|[here](http://pastebin.com/SpzgezAg)|can be enabled, see below|
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+### Monitored systemd service metrics
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+
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+- CPU utilization
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+- Used memory
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+- RSS memory
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+- Mapped memory
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+- Cache memory
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+- Writeback memory
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+- Memory minor page faults
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+- Memory major page faults
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+- Memory charging activity
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+- Memory uncharging activity
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+- Memory limit failures
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+- Swap memory used
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+- Disk read bandwidth
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+- Disk write bandwidth
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+- Disk read operations
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+- Disk write operations
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+- Throttle disk read bandwidth
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+- Throttle disk write bandwidth
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+- Throttle disk read operations
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+- Throttle disk write operations
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+- Queued disk read operations
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+- Queued disk write operations
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+- Merged disk read operations
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+- Merged disk write operations
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+
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### how to enable cgroup accounting on systemd systems that is by default disabled
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You can verify there is no accounting enabled, by running `systemd-cgtop`. The program will show only resources for cgroup `/`, but all services will show nothing.
@@ -230,4 +257,31 @@ So, when a network interface or container stops, Netdata might log a few errors
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6. obsolete charts will be removed from memory, 1 hour after the last user viewed them (configurable with `[global].cleanup obsolete charts after seconds = 3600` (at `netdata.conf`).
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7. when obsolete charts are removed from memory they are also deleted from disk (configurable with `[global].delete obsolete charts files = yes`)
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+### Monitored container metrics
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+
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+- CPU usage
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+- CPU usage within the limits
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+- CPU usage per core
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+- Memory usage
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+- Writeback memory
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+- Memory activity
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+- Memory page faults
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+- Used memory
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+- Used RAM within the limits
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+- Memory utilization
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+- Memory limit failures
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+- I/O bandwidth (all disks)
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+- Serviced I/O operations (all disks)
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+- Throttle I/O bandwidth (all disks)
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+- Throttle serviced I/O operations (all disks)
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+- Queued I/O operations (all disks)
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+- Merged I/O operations (all disks)
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+- CPU pressure
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+- Memory pressure
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+- Memory full pressure
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+- I/O pressure
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+- I/O full pressure
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+
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+Network interfaces are monitored by means of the [proc plugin](/collectors/proc.plugin/README.md#monitored-network-interface-metrics).
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