Kubernetes

Kubernetes schedules containers across a cluster of nodes, and monitoring it means watching nodes, pods, containers and the control plane together. This hub groups Netdata's product and solution pages, the Kubernetes integration, comparisons with other monitoring tools, ranked tool lists and blog posts on Kubernetes.

Product

Network Topology Viewer

Live, interactive network topology maps built directly in the Netdata agent. See every connection, every device, every dependency in real time.

Blast Radius Detection For Faster Incident Response

Get real-time blast radius intelligence, automated root cause detection, and per-second insights to resolve incidents faster with Netdata. Read more now!

Cloud On-Premises Solution With Complete Observability

Get full data sovereignty, real-time observability, and air-gap ready monitoring with Netdata Cloud On-Premises. Stay compliant at any scale. Book a demo!

Eliminate Log Pipelines: Native Log Query At Scale

Cut log costs by 90% with edge-first architecture, sub-2-second queries, and zero pipeline overhead. Gain full visibility in minutes. Read more now!

High Cardinality Protection For Unlimited Metrics

Protect your infrastructure from cardinality issues with automatic safeguards, per-second visibility, and predictable costs from Netdata. Read more now!

Live Tab - Real-Time Netdata Functions

Get real-time access to Netdata Functions on any agent node: process explorers, database monitoring, network topology & more. See the live demo today!

Solutions

AWS Monitoring Software With 1 Second Visibility

Transform AWS monitoring with real-time visibility, anomaly detection, and transparent pricing that eliminates CloudWatch surprises. Book a demo now!

Azure Monitoring Tool With Real-Time Visibility

Per-second Azure monitoring with real-time insights, AI guidance, and predictable pricing that cuts TCO by 90%. Transform your observability. Book a demo!

Cloud Monitoring Software With Real-Time Metrics & AI

Achieve full-stack cloud observability with per-second metrics, zero configuration, and AI-driven root cause detection. Faster insights and lower costs!

Container Monitoring Software With Zero Configuration

Get real-time container monitoring with per-second metrics, ML insights, and flat pricing. Cut noise, reduce costs, and troubleshoot faster. Book a demo!

DevOps Monitoring Software With ML Anomaly Detection

Monitor your entire infrastructure in seconds with real-time insights, ML anomaly detection & AI-powered troubleshooting, all in one platform. Book a demo!

Gaming Infrastructure Monitoring & Observability

Keep your gaming platform fast and stable with real-time visibility, ML detection, and AI-powered root cause analysis for 99.9% uptime. Book a demo now!

GCP Monitoring Tool With Per-Second Visibility

Get per-second GCP monitoring, ML anomaly detection, and predictable per-node pricing with Netdata for complete real-time visibility. Book a demo now!

HPC Monitoring Software With Per-Second Metrics

Get true real-time HPC observability with per-second metrics, accurate anomaly detection, and GPU/InfiniBand monitoring built for scale. Book a demo now!

Hybrid Cloud Monitoring Solution At 90% Lower Cost

Get real-time hybrid cloud observability with per-second metrics, edge-based ML, and unified visibility across any environment. Book a demo now!

Infrastructure Monitoring Software With AI & ML

Get real-time infrastructure monitoring with per-second metrics, ML anomaly detection, and AI-powered troubleshooting to cut MTTR and costs. Book a demo!

Kubernetes Monitoring Tool Without Centralized Data

Real-time Kubernetes monitoring with per-second metrics, ML anomaly detection, and AI troubleshooting at unmatched cost efficiency. Book a demo now!

LLM Monitoring Platform With Per-Second Visibility

Get per-second visibility into GPUs & Kubernetes to reduce inference latency, detect anomalies early, & optimize cloud spend for AI workloads. Book a demo!

Microservices Monitoring Tool Without Sampling

Get real-time microservices observability with per-second metrics, ML-powered detection, and predictable per-node pricing for any scale. Book a demo now!

Multi-Cloud Monitoring Tools With Predictable Pricing

Simplify multi-cloud monitoring with per-second insights, automatic anomaly detection, and transparent per-node pricing at scale. Book a demo now!

Real-Time GPU Monitoring For AI Infrastructure

Monitor AI clusters with real-time GPU insights, instant alerts, and predictable costs. Optimize training and inference performance with ease. Book a demo!

Real-Time Infrastructure Monitoring For Tech Industry

Get real-time per-second visibility, ML-powered anomaly detection, and predictable per-node pricing for tech teams needing fast observability. Book a demo!

Real-Time Monitoring & ML Detection For Sysadmins

Get real-time observability with zero config, ML-powered anomaly detection, and predictable per-node pricing built for sysadmins. Book a demo now!

Real-Time Observability For Platform Engineers

Monitor everything in real time with unlimited cardinality, instant deployment, and ML-powered troubleshooting built for platform engineers. Book a demo!

Red Hat OpenShift Monitoring Tool At Scale

Boost Red Hat and OpenShift monitoring with real-time metrics, ML insights, and predictable per-node pricing. Transform observability today. Book a demo!

Service Mesh Observability Without Overhead

Monitor Envoy, Istio, Linkerd, and Consul with zero config, instant insights & 90% lower observability costs using Netdata’s real-time platform. Read more!

Telecom Network Monitoring Software At Scale

Real-time telecom monitoring with per-second precision, ML anomaly detection, and predictable per-node pricing for 5G and edge networks. Book a demo now!

Integrations

Kubernetes

Learn how the Kubernetes integration connects with Netdata and how to configure it.

Comparisons

Netdata vs Coroot | Monitoring Tools Comparison

Netdata delivers real-time, full-stack observability across Kubernetes, VMs, Windows, and edge with zero complexity. Compare it to Coroot. Learn more now!

Guides

Guides overview 1 page

Kubernetes Operations Guides

Practical guides for running, troubleshooting, and monitoring Kubernetes in production.

ClickHouse Operations Guides 1 page

Open the ClickHouse Operations Guides hub

ClickHouse killed by the OOM killer: RSS, max_server_memory_usage, and cgroup limits

Why ClickHouse is killed by the Linux OOM killer even when internal memory tracking looks healthy, and how to close the gap between RSS and MemoryTracking.

Docker Operations Guides 1 page

Open the Docker Operations Guides hub

Docker exit code 143: SIGTERM and graceful shutdown failures

Diagnose why Docker containers exit with code 143, fix signal propagation problems, and prevent graceful shutdown failures.

Kubernetes Operations Guides 32 pages

Open the Kubernetes Operations Guides hub

Kubernetes API Server etcd Latency: How To Fix It

Detect elevated etcd latency in Kubernetes before it cascades into control plane saturation, 429 rejections, and cluster-wide write failures.

Kubernetes API Server Rate Limited: How To Fix It

Diagnose and fix API Priority and Fairness starvation in Kubernetes where low-priority traffic blocks critical control plane requests.

Kubernetes API Server Slow Or Unresponsive: Causes & Fixes

Diagnose and fix a slow or unresponsive Kubernetes API server. Covers etcd latency, admission webhooks, APF throttling, memory pressure, and re-list storms with concrete checks and fixes.

Kubernetes conntrack exhaustion: dropped connections under load

Diagnose and resolve Linux nf_conntrack table exhaustion on Kubernetes nodes that causes silent connection drops under load.

Kubernetes Controller-Manager Leader Election Failures

Diagnose lease renewal failures, leaderless windows, and controller reconciliation stalls in the kube-controller-manager.

Kubernetes DNS resolution failures inside pods

Diagnose and fix DNS resolution failures inside Kubernetes pods, from CoreDNS overload and ndots amplification to conntrack exhaustion and upstream misconfiguration.

Kubernetes eviction cascade: when one node failure takes down the cluster

Diagnose and stop node-pressure eviction cascades caused by scheduler overplacement, cgroup v2 accounting changes, and missing hysteresis in Kubernetes clusters.

Kubernetes kube-proxy iptables sync stall: causes and recovery

Diagnose and recover from kube-proxy iptables synchronization stalls caused by xtables lock contention, rule bloat, and restore failures.

Kubernetes kube-proxy IPVS: stale rules and session affinity issues

Diagnose and resolve stale IPVS rules and UDP session-affinity misbehavior when kube-proxy runs in IPVS mode.

Kubernetes kubelet certificate expired: detection, rotation, and recovery

Detect, diagnose, and recover from expired kubelet certificates in Kubernetes clusters before nodes go NotReady.

Kubernetes kubelet memory leak: detection and OOM cycle

Detect a kubelet memory leak before it triggers an OOM kill, distinguish it from workload leaks, and recover from the reconciliation storm that follows.

Kubernetes kubelet not responding: PLEG, runtime, and certificate issues

Diagnose and fix Kubernetes kubelet failures caused by PLEG stalls, container runtime disconnections, and certificate expiration before nodes go NotReady.

Kubernetes Monitoring Checklist: The Signals Every Production Cluster Needs

A structured checklist of production signals across the Kubernetes control plane, nodes, workloads, networking, DNS, storage, and security.

Kubernetes node CPU saturation: load, throttling, and runqueue depth

Diagnose Kubernetes node CPU saturation beyond simple CPU percent using runqueue depth, CFS throttling, and Pressure Stall Information (PSI) metrics.

Kubernetes node DiskPressure: detection, eviction, and recovery

Detect disk pressure on Kubernetes nodes before evictions start. Understand nodefs, imagefs, inode exhaustion, and recovery steps for production clusters.

Kubernetes node MemoryPressure: detection, eviction order, and prevention

How kubelet detects node memory pressure, the QoS-based eviction order it follows, and how operators can diagnose and prevent pod eviction cascades.

Kubernetes node NotReady: kubelet, runtime, and network diagnosis

Diagnose Kubernetes nodes entering NotReady by inspecting kubelet health, container runtime responsiveness, CNI initialization, and resource pressure.

Kubernetes node PIDPressure: detection and remediation

Detect and remediate Kubernetes PIDPressure node conditions caused by process leaks, zombie accumulation, and cgroup-level PID exhaustion before workloads fail to fork.

Kubernetes PLEG is not healthy: runtime stalls and node degradation

Diagnose and recover from kubelet PLEG unhealthy errors that cause nodes to go NotReady due to container runtime stalls and serial bottlenecks.

Kubernetes pod CrashLoopBackOff: causes, diagnosis, and fixes

Practical troubleshooting guide for Kubernetes CrashLoopBackOff: identify root causes with kubectl and node signals, apply targeted fixes, and prevent recurrence.

Kubernetes pod creation fails: admission, quota, and CRI errors

Diagnose and fix pre-scheduling pod creation failures caused by admission webhooks, ResourceQuota limits, Pod Security Standards, and CRI image pull errors.

Kubernetes pod Evicted: detection, root cause, and prevention

Detect, diagnose, and prevent Kubernetes pod eviction caused by node memory, disk, inode, and PID pressure.

Kubernetes pod exits immediately: how to diagnose it

Diagnose why a Kubernetes pod exits immediately on first run by reading exit codes, termination reasons, and logs before any restart occurs.

Kubernetes pod ImagePullBackOff: registry, auth, and network diagnosis

Diagnose and resolve Kubernetes ImagePullBackOff errors caused by registry authentication, network issues, and image reference problems.

Kubernetes pod OOMKilled: cgroup limits, evictions, and fixes

Diagnose and fix Kubernetes pod OOMKilled events by distinguishing container cgroup OOM from node-level kernel OOM and kubelet eviction.

Kubernetes pod stuck ContainerCreating: volume, network, and image issues

Diagnose and fix Kubernetes pods stuck in ContainerCreating caused by volume mount deadlocks, CNI failures, and image pull problems.

Kubernetes pod stuck on volume mount: CSI, permissions, and timeouts

Diagnose and fix pods stuck during volume mount operations caused by CSI driver failures, permission mismatches, and mount timeouts.

Kubernetes pod stuck Pending: scheduling failures explained

Diagnose why Kubernetes pods remain Pending due to scheduler constraints, resource exhaustion, affinity rules, taints, and volume binding issues.

Kubernetes pod stuck Terminating: finalizers, grace periods, and force delete

Diagnose and resolve pods stuck in Terminating state caused by finalizers, volume detach hangs, and ignored SIGTERM.

Kubernetes PVC stuck Pending: storage class, provisioner, and quota

Diagnose and fix PersistentVolumeClaims stuck in Pending due to StorageClass, provisioner, or quota issues.

Kubernetes Scheduler Not Scheduling Pods: Queue Depth & Failure Reasons

Diagnose why Kubernetes pods are stuck pending by reading scheduler queue metrics, plugin rejection reasons, and control plane latency signals.

Kubernetes Service Not Reachable: Kube-Proxy, Endpoints & DNS

Diagnose why a Kubernetes Service is unreachable by checking endpoints, kube-proxy rule sync, conntrack saturation, and DNS resolution paths.

NGINX Operations Guides 1 page

Open the NGINX Operations Guides hub

Nginx 503 Service Temporarily Unavailable: Causes & Fixes

Diagnose why nginx returns 503, distinguish rate-limit rejections from upstream outages, and fix the root cause without guessing.

Apache ZooKeeper Operations Guides 1 page

Open the Apache ZooKeeper Operations Guides hub

ZooKeeper "Too many connections from /IP - max is 60": maxClientCnxns rejecting clients

Diagnose ZooKeeper maxClientCnxns rejections: why the per-IP limit silently denies clients behind NAT and how to catch it with zk_connection_rejected.

Academy

Linux Cgroups V2 Memory Throttling & OOM Fix

A deep dive into memory.max- memory.high- and PSI to understand and prevent container out-of-memory events

Tune NGINX Timeouts: Eliminate Upstream Errors

A practical guide to diagnosing and fixing NGINX 502 and 504 errors by configuring the right timeout directives for your backend services

Kubernetes CrashLoopBackOff: Causes & Quick Fixes

A practical guide to diagnosing and fixing the dreaded Kubernetes pod restart loop- from probe failures to OOMKilled errors

Jenkins Declarative Pipeline: Parallelism Fixes

A guide to mastering the parallel step without deadlocking your agents or running tests on the wrong nodes

Fix Helm Chart Rollback & Pending-Upgrade Failures

A step-by-step playbook to diagnose and resolve stuck Helm releases- from failed hooks to corrupted release secrets

Fix NGINX 502 Bad Gateway In Kubernetes Ingress

Uncover the root causes of upstream errors in Kubernetes- from Ingress controller timeouts to misconfigured readiness probes that silently take your services offline

GitLab Runner Executor Failures: Docker & Kubernetes

A deep dive into diagnosing and resolving common problems with Docker and Kubernetes executors- including cache- DIND- and RBAC configuration

Kubernetes Security Posture Management (KSPM) Explained

A deep dive into how KSPM provides the visibility and control needed to secure complex Kubernetes environments

What Is Container Orchestration & Why Do We Need It

Taming the complexity of managing containerized applications at scale

What Is Canary Deployment? Benefits, Metrics & Setup

Canary Deployments In Kubernetes: Why They Matter

What Is Blue-Green Deployment? Benefits & Process

Blue Green Deployment Strategy With Zero-Downtime Releases

OpenShift vs Kubernetes What Are The Differences

Choosing between OpenShift and Kubernetes for container orchestration - a detailed comparison for developers and DevOps.

Cilium Agent Monitoring

Learn everything about monitoring & troubleshooting Cilium Agent, what metrics are important to monitor and why, and how to monitor Cilium Agent with Netdata.

Cilium Operator Monitoring

Learn everything about monitoring & troubleshooting Cilium Operator, what metrics are important to monitor and why, and how to monitor Cilium Operator with Netdata.

Cilium Proxy Monitoring

Learn everything about monitoring & troubleshooting Cilium Proxy, what metrics are important to monitor and why, and how to monitor Cilium Proxy with Netdata.

Hubble Monitoring

Learn everything about monitoring & troubleshooting Hubble, what metrics are important to monitor and why, and how to monitor Hubble with Netdata.

K8s Kubelet Monitoring

Learn about monitoring & troubleshooting K8s Kubelet, what metrics are important to monitor and why, and how to monitor K8s Kubelet with Netdata.

Kube-proxy Monitoring

Learn about monitoring & troubleshooting Kube-proxy, what metrics are important to monitor and why, and how to monitor Kub-proxy with Netdata.

Kubelet Monitoring

Learn everything about monitoring & troubleshooting Kubelet, what metrics are important to monitor and why, and how to monitor Kubelet with Netdata.

Kubeproxy Monitoring

Learn everything about monitoring & troubleshooting Kubeproxy, what metrics are important to monitor and why, and how to monitor Kubeproxy with Netdata.

Kubernetes Cluster State Monitoring

Learn everything about monitoring & troubleshooting Kubernetes Cluster State, what metrics are important to monitor and why, and how to monitor Kubernetes Cluster State with Netdata.

Prometheus Endpoint Monitoring

We offer an efficient and user-friendly way to monitor Prometheus endpoints. You get instant opinionated dashboards with near zero configuration.

Case Studies

TMB Case Study: Barcelona Transport Monitoring

A Unified Approach to Monitoring a Heterogeneous Environment

Monitoring Industrial Equipment Manufacturing with Netdata

Harnessing Real-Time Insights for Scalable and Reliable Production

Reduced Costs & Kubernetes Efficiency

Achieving Exceptional Monitoring Efficiency and Cost Reduction

Resources

10 Best CoreDNS Monitoring Tools (2026)

Ranked: the 10 best CoreDNS monitoring tools for Kubernetes, graded on metric depth, scrape resolution, Kubernetes fit, alerting, and pricing predictability.

10 Best Kubernetes Monitoring Tools (2027 Comparison)

We rank the 10 best Kubernetes monitoring tools for 2027 on cluster-layer depth, deployment ease, metric resolution, alerting, and cost predictability for SREs.

9 Best Container Monitoring Tools & How To Choose

A ranked review of 9 container monitoring tools - pricing, real-time granularity, container & Kubernetes coverage, and where it wins. Updated July 2026.

Netdata at AWS Cloud Days 2023

Netdata's Ralph Meijer joined a panel at AWS Cloud Days Athens 2023 on running managed containers in AI-powered startups.

Webinar: Kubernetes Throttling? It Doesn't Have to Suck!

See how Kubernetes CPU throttling impacts your workloads — and how to monitor, troubleshoot, and fix it. Includes a live stress test of a K8s cluster with real results.