Operations | Monitoring | ITSM | DevOps | Cloud

Apache Spark monitoring guide: what the Spark UI shows, how to keep it after a job ends, finding skew and spill, Prometheus metrics, and alerts. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

Multi-cloud monitoring guide: why the same metric differs across AWS, Azure and GCP, and how to normalize it with OpenTelemetry into one view. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

Set up the NVIDIA DCGM Exporter with Docker or Helm, pick the right DCGM metrics, enable profiling counters, map GPUs to Kubernetes pods, and add alerts. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

A practical comparison of the best observability tools in 2026: Last9, Datadog, Grafana Cloud, New Relic, Dynatrace, Honeycomb, Coralogix and SigNoz. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

An error budget is the unreliability an SLO allows. Learn to calculate it, track burn rate, set multiwindow alerts in PromQL and write an error budget policy. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

Grafana Cloud pricing broken down: free tier limits, Pro rates for metrics, logs and traces, how active series and DPM are billed, and worked cost examples. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

How do you know a server is about to cause problems before it actually does? You track the right metrics. Not all of them, just the leading ones that consistently surface performance issues before they worsen into outages. This guide breaks down the 10 server performance monitoring metrics every SRE should have on their radar.

How to monitor a Rails application in production: reading Puma's stats endpoint, spotting GC pressure, and finding the query that's actually slow. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

SRE automation covers four different jobs: runbook automation, self-healing infrastructure, drift detection, and resilience testing. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.

AI agent observability means tracing tool calls, reasoning steps, and handoffs, not just tokens and latency. Here's what to instrument and why. Sejal Pandey works on content and growth at Last9, writing about observability, reliability, and SRE practices.