
8 Best Vue.js Monitoring Tools for Speed & Performance
Vue.js monitoring tools are essential for ensuring seamless performance in modern web apps built with reactive components and single-page architectures. Vue.js ranks among the top 5 JavaScript frameworks, powering over 2 million active projects worldwide. With that scale, even small rendering delays or unhandled API errors can significantly impact user retention and conversion rates. Yet, […]

Lighttpd Server Monitoring: Best Practices, Metrics, and CubeAPM Walkthrough
Lighttpd (lighty) is a lightweight, high-performance web server that can handle tens of thousands of parallel connections with minimal resource usage. It’s widely used by ISPs, embedded systems, and edge platforms, and according to Netcraft’s 2024 survey, it still powers millions of active sites worldwide. Even so, its efficiency makes it sensitive to spikes and […]

Caddy Server Monitoring with CubeAPM for Performance & Reliability
Caddy server monitoring means getting full visibility into how your web traffic, TLS, and proxy layers perform, and catching issues before they cause outages. Caddy powers around 0.3% of all known websites, with Nginx still dominating ~33.3% share. Developers and SaaS platforms choose Caddy mainly for its ease, security, and modern architecture. But when you […]

Kubernetes 502 Bad Gateway Error Explained: Upstream Failures, Pod Crashes, and Network Timeouts
Kubernetes 502 bad gateway error occurs when a request passes through an ingress or gateway (like NGINX or Envoy) but the upstream Pod returns an invalid or empty response. Even short-lived 502s can ripple through microservices—breaking APIs, frontends, and downstream calls—and with major outages costing companies a median of $2M per hour, minimizing these errors […]

Lightstep End of Life Notice: How to Migrate to CubeAPM
ServiceNow has confirmed what many in the DevOps community feared: Lightstep end of life (EOL). The product will stop receiving updates, patches, and official support by March 1, 2026, or the subscription end date (whichever comes later). For teams that have relied on Lightstep to trace distributed systems or troubleshoot production outages, the countdown clock […]

Kubernetes Service 503 Error Explained: Readiness Probes, Endpoints Failures, and Observability Best Practices
A Kubernetes “Service 503 (Service Unavailable)” error occurs when traffic can’t reach any healthy Pod or endpoint, often during rollouts, probe failures, or misconfigurations. The impact is immediate—requests fail, frontends break, and downtime follows. In fact, over half of major outages cost more than $100,000. Even a short 503 storm can trigger financial loss and […]

Kubernetes Node NotReady Error: Root Causes, Fixes & Cluster Health with CubeAPM
A Kubernetes Node NotReady error means a cluster node stops reporting as healthy to the control plane. It’s often triggered by kubelet failures, resource pressure, or network issues, and can quickly cascade—Pods get evicted, Deployments stall, and services degrade. The CNCF Annual Survey 2023 shows that over 84% of organizations cite node instability as a […]

Top 9 Django Monitoring Tools in 2025: Features, Pricing & Best Use Cases
Django monitoring tools are now essential for teams running large-scale web applications for fintech, SaaS, and e-commerce platforms. According to the CNCF Annual Survey 2024, more than 84% of organizations now use observability tooling in production. The biggest challenge for teams is choosing the right Django monitoring tools that balance cost, scalability, and compliance. Incumbent […]

Istio Service Mesh Monitoring: Metrics, Dashboards, and Real-World Observability with CubeAPM
Istio is among the most widely adopted service meshes in the cloud native ecosystem, thanks to its fine-grained routing, mTLS security, and observability via Envoy, making it a top choice for managing complex microservices. Yet as organizations scale, Istio adds layers of complexity. Every call flows through sidecars and gateways, making it harder to pinpoint […]