From 836b47cb7e99a977c5a23b059ca1d0b5065d310e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 24 Jul 2024 11:54:23 +0200 Subject: Merging upstream version 1.46.3. Signed-off-by: Daniel Baumann --- .../cgroups.plugin/integrations/containers.md | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 src/collectors/cgroups.plugin/integrations/containers.md (limited to 'src/collectors/cgroups.plugin/integrations/containers.md') diff --git a/src/collectors/cgroups.plugin/integrations/containers.md b/src/collectors/cgroups.plugin/integrations/containers.md new file mode 100644 index 00000000..e769fc5f --- /dev/null +++ b/src/collectors/cgroups.plugin/integrations/containers.md @@ -0,0 +1,169 @@ + + +# Containers + + + + + +Plugin: cgroups.plugin +Module: /sys/fs/cgroup + + + +## Overview + +Monitor Containers for performance, resource usage, and health status. + + + +This collector is supported on all platforms. + +This collector supports collecting metrics from multiple instances of this integration, including remote instances. + + +### Default Behavior + +#### Auto-Detection + +This integration doesn't support auto-detection. + +#### Limits + +The default configuration for this integration does not impose any limits on data collection. + +#### Performance Impact + +The default configuration for this integration is not expected to impose a significant performance impact on the system. + + +## Metrics + +Metrics grouped by *scope*. + +The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels. + + + +### Per cgroup + + + +Labels: + +| Label | Description | +|:-----------|:----------------| +| container_name | The container name or group path if name resolution fails. | +| image | Docker/Podman container image name. | + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| cgroup.cpu_limit | used | percentage | +| cgroup.cpu | user, system | percentage | +| cgroup.cpu_per_core | a dimension per core | percentage | +| cgroup.throttled | throttled | percentage | +| cgroup.throttled_duration | duration | ms | +| cgroup.cpu_shares | shares | shares | +| cgroup.mem | cache, rss, swap, rss_huge, mapped_file | MiB | +| cgroup.writeback | dirty, writeback | MiB | +| cgroup.mem_activity | in, out | MiB/s | +| cgroup.pgfaults | pgfault, swap | MiB/s | +| cgroup.mem_usage | ram, swap | MiB | +| cgroup.mem_usage_limit | available, used | MiB | +| cgroup.mem_utilization | utilization | percentage | +| cgroup.mem_failcnt | failures | count | +| cgroup.io | read, write | KiB/s | +| cgroup.serviced_ops | read, write | operations/s | +| cgroup.throttle_io | read, write | KiB/s | +| cgroup.throttle_serviced_ops | read, write | operations/s | +| cgroup.queued_ops | read, write | operations | +| cgroup.merged_ops | read, write | operations/s | +| cgroup.cpu_some_pressure | some10, some60, some300 | percentage | +| cgroup.cpu_some_pressure_stall_time | time | ms | +| cgroup.cpu_full_pressure | some10, some60, some300 | percentage | +| cgroup.cpu_full_pressure_stall_time | time | ms | +| cgroup.memory_some_pressure | some10, some60, some300 | percentage | +| cgroup.memory_some_pressure_stall_time | time | ms | +| cgroup.memory_full_pressure | some10, some60, some300 | percentage | +| cgroup.memory_full_pressure_stall_time | time | ms | +| cgroup.io_some_pressure | some10, some60, some300 | percentage | +| cgroup.io_some_pressure_stall_time | time | ms | +| cgroup.io_full_pressure | some10, some60, some300 | percentage | +| cgroup.io_full_pressure_stall_time | time | ms | +| cgroup.pids_current | pids | pids | + +### Per cgroup network device + + + +Labels: + +| Label | Description | +|:-----------|:----------------| +| container_name | The container name or group path if name resolution fails. | +| image | Docker/Podman container image name. | +| device | The name of the host network interface linked to the container's network interface. | +| container_device | Container network interface name. | +| interface_type | Network interface type. Always "virtual" for the containers. | + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| cgroup.net_net | received, sent | kilobits/s | +| cgroup.net_packets | received, sent, multicast | pps | +| cgroup.net_errors | inbound, outbound | errors/s | +| cgroup.net_drops | inbound, outbound | errors/s | +| cgroup.net_fifo | receive, transmit | errors/s | +| cgroup.net_compressed | receive, sent | pps | +| cgroup.net_events | frames, collisions, carrier | events/s | +| cgroup.net_operstate | up, down, notpresent, lowerlayerdown, testing, dormant, unknown | state | +| cgroup.net_carrier | up, down | state | +| cgroup.net_mtu | mtu | octets | + + + +## Alerts + + +The following alerts are available: + +| Alert name | On metric | Description | +|:------------|:----------|:------------| +| [ cgroup_10min_cpu_usage ](https://github.com/netdata/netdata/blob/master/src/health/health.d/cgroups.conf) | cgroup.cpu_limit | average cgroup CPU utilization over the last 10 minutes | +| [ cgroup_ram_in_use ](https://github.com/netdata/netdata/blob/master/src/health/health.d/cgroups.conf) | cgroup.mem_usage | cgroup memory utilization | +| [ cgroup_1m_received_packets_rate ](https://github.com/netdata/netdata/blob/master/src/health/health.d/cgroups.conf) | cgroup.net_packets | average number of packets received by the network interface ${label:device} over the last minute | +| [ cgroup_10s_received_packets_storm ](https://github.com/netdata/netdata/blob/master/src/health/health.d/cgroups.conf) | cgroup.net_packets | ratio of average number of received packets for the network interface ${label:device} over the last 10 seconds, compared to the rate over the last minute | + + +## Setup + +### Prerequisites + +No action required. + +### Configuration + +#### File + +There is no configuration file. +#### Options + + + +There are no configuration options. + +#### Examples +There are no configuration examples. + + -- cgit v1.2.3