This page describes known and open issues for Containerized Windows Applications Monitoring.
Containerized Windows Applications Monitoring requires Datadog Agent 7.19+.
The supported OS versions are Windows Server 2019 (LTSC) and version 1909 (SAC).
Hyper-V isolation mode is not supported.
Host metrics for disk, IO, and network are disabled. They are not supported by Windows Server, hence the Agent Checks are disabled by default.
Live processes do not appear in containers (except for the Datadog Agent).
Live processes do not appear in containers (except for the Datadog Agent).
The recommended way of deploying the Datadog Agent on a mixed cluster is to perform two installations of our Helm chart with a different targetSystem
.
The Datadog Agent uses a nodeSelector
to automatically select Linux or Windows nodes based on targetSystem
.
However it’s not the case for Kube State Metrics (which is installed by default), leading to situations where Kube State Metrics cannot be scheduled on Windows nodes.
Three options are available to avoid this issue:
node.kubernetes.io/os=windows:NoSchedule
taint.values.yaml
:kube-state-metrics:
nodeSelector:
beta.kubernetes.io/os: linux // Kubernetes < 1.14
kubernetes.io/os: linux // Kubernetes >= 1.14
datadog.kubeStateMetricsEnabled
to false
.Note: When using two Datadog installations (one with targetSystem: linux
, one with targetSystem: windows
), make sure the second one has datadog.kubeStateMetricsEnabled
set to false
to avoid deploying two instances of Kube State Metrics.
HostPort
is partially supported on Kubernetes, depending on the underlying OS version and CNI plugin.
Requirements to have HostPort
working are the following:
portMappings
capabilityCurrently, at least two CNI plugins support this capability:
win-bridge
plugin (version >= 0.8.6) - used by GKEIf your setup does not meet these requirements, APM and DogStatsD will only work when pod-to-pod networking is configured between the Tracer and the Agent.
Depending on your Kubernetes version, some Kubelet metrics might not be available (or Kubelet check might timeout). For optimal experience, please use any of the following:
With Agent version >= 7.19.2
Please note that not all kubernetes.*
are available on Windows, you can find the list of available ones below:
kubernetes.cpu.usage.total
kubernetes.containers.restarts
kubernetes.containers.running
kubernetes.cpu.capacity
kubernetes.ephemeral_storage.usage
kubernetes.kubelet.container.log_filesystem.used_bytes
kubernetes.kubelet.network_plugin.latency.count
kubernetes.kubelet.network_plugin.latency.quantile
kubernetes.kubelet.network_plugin.latency.sum
kubernetes.kubelet.runtime.errors
kubernetes.kubelet.runtime.operations
kubernetes.memory.capacity
kubernetes.pods.running
kubernetes.rest.client.latency.count
kubernetes.rest.client.latency.sum
kubernetes.rest.client.requests
kubernetes.network.tx_bytes
kubernetes.network.rx_bytes
kubernetes.cpu.usage.total
kubernetes.memory.working_set
kubernetes.filesystem.usage
kubernetes.filesystem.usage_pct
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