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To collect system metrics such as CPU, disk, and memory usage, enable the host metrics receiver in your Datadog Exporter.
For more information, including supported operating systems, see the OpenTelemetry project documentation for the host metrics receiver.
Add the following lines to your Collector configuration:
receivers:
hostmetrics:
collection_interval: 10s
scrapers:
paging:
metrics:
system.paging.utilization:
enabled: true
cpu:
metrics:
system.cpu.utilization:
enabled: true
disk:
filesystem:
metrics:
system.filesystem.utilization:
enabled: true
load:
memory:
network:
processes:
Set up the host metrics receiver on each node from which metrics need to be collected. To collect host metrics from every node in your cluster, deploy the host metrics receiver as a DaemonSet collector. Add the following in the Collector configuration:
receivers:
hostmetrics:
collection_interval: 10s
scrapers:
paging:
metrics:
system.paging.utilization:
enabled: true
cpu:
metrics:
system.cpu.utilization:
enabled: true
system.cpu.physical.count:
enabled: true
system.cpu.logical.count:
enabled: true
system.cpu.frequency:
enabled: true
disk:
filesystem:
metrics:
system.filesystem.utilization:
enabled: true
load:
memory:
network:
processes:
See OpenTelemetry Metrics Mapping for information about collected host metrics.
For a full working example configuration with the Datadog exporter, see host-metrics.yaml
.
ResourceMetrics #1
Resource SchemaURL: https://opentelemetry.io/schemas/1.9.0
Resource attributes:
-> k8s.pod.ip: Str(192.168.63.232)
-> cloud.provider: Str(aws)
-> cloud.platform: Str(aws_ec2)
-> cloud.region: Str(us-east-1)
-> cloud.account.id: Str(XXXXXXXXX)
-> cloud.availability_zone: Str(us-east-1c)
-> host.id: Str(i-07e7d48cedbec9e86)
-> host.image.id: Str(ami-0cbbb5a8c6f670bb6)
-> host.type: Str(m5.large)
-> host.name: Str(ip-192-168-49-157.ec2.internal)
-> os.type: Str(linux)
-> kube_app_instance: Str(opentelemetry-collector-gateway)
-> k8s.pod.name: Str(opentelemetry-collector-gateway-688585b95-l2lds)
-> k8s.pod.uid: Str(d8063a97-f48f-4e9e-b180-8c78a56d0a37)
-> k8s.replicaset.uid: Str(9e2d5331-f763-43a3-b0be-9d89c0eaf0cd)
-> k8s.replicaset.name: Str(opentelemetry-collector-gateway-688585b95)
-> k8s.deployment.name: Str(opentelemetry-collector-gateway)
-> kube_app_name: Str(opentelemetry-collector)
-> k8s.namespace.name: Str(otel-ds-gateway)
-> k8s.pod.start_time: Str(2023-11-20T12:53:08Z)
-> k8s.node.name: Str(ip-192-168-49-157.ec2.internal)
ScopeMetrics #0
ScopeMetrics SchemaURL:
InstrumentationScope otelcol/hostmetricsreceiver/memory 0.88.0-dev
Metric #0
Descriptor:
-> Name: system.memory.usage
-> Description: Bytes of memory in use.
-> Unit: By
-> DataType: Sum
-> IsMonotonic: false
-> AggregationTemporality: Cumulative
NumberDataPoints #0
Data point attributes:
-> state: Str(used)
StartTimestamp: 2023-08-21 13:45:37 +0000 UTC
Timestamp: 2023-11-20 13:04:19.489045896 +0000 UTC
Value: 1153183744