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diff --git a/collectors/cgroups.plugin/README.md b/collectors/cgroups.plugin/README.md index 21dbcae83..86776d6e0 100644 --- a/collectors/cgroups.plugin/README.md +++ b/collectors/cgroups.plugin/README.md @@ -147,6 +147,33 @@ Support per distribution: |AMI|NO|[here](http://pastebin.com/FrxmptjL)|not a systemd system| |CentOS 7.3.1611|NO|[here](http://pastebin.com/SpzgezAg)|can be enabled, see below| +### Monitored systemd service metrics + +- CPU utilization +- Used memory +- RSS memory +- Mapped memory +- Cache memory +- Writeback memory +- Memory minor page faults +- Memory major page faults +- Memory charging activity +- Memory uncharging activity +- Memory limit failures +- Swap memory used +- Disk read bandwidth +- Disk write bandwidth +- Disk read operations +- Disk write operations +- Throttle disk read bandwidth +- Throttle disk write bandwidth +- Throttle disk read operations +- Throttle disk write operations +- Queued disk read operations +- Queued disk write operations +- Merged disk read operations +- Merged disk write operations + ### how to enable cgroup accounting on systemd systems that is by default disabled 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 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`). 7. when obsolete charts are removed from memory they are also deleted from disk (configurable with `[global].delete obsolete charts files = yes`) +### Monitored container metrics + +- CPU usage +- CPU usage within the limits +- CPU usage per core +- Memory usage +- Writeback memory +- Memory activity +- Memory page faults +- Used memory +- Used RAM within the limits +- Memory utilization +- Memory limit failures +- I/O bandwidth (all disks) +- Serviced I/O operations (all disks) +- Throttle I/O bandwidth (all disks) +- Throttle serviced I/O operations (all disks) +- Queued I/O operations (all disks) +- Merged I/O operations (all disks) +- CPU pressure +- Memory pressure +- Memory full pressure +- I/O pressure +- I/O full pressure + +Network interfaces are monitored by means of the [proc plugin](/collectors/proc.plugin/README.md#monitored-network-interface-metrics). + [](<>) |