Recently, I had to troubleshoot a case of performance degradation on an Azure VM. The key symptom was high memory pressure, which in Azure means the system is under heavy strain to fulfill memory requests — often leading to lag, paging, and slow performance.
To get to the root cause, we used Azure Performance Diagnostics (PerfInsights) — a powerful and easy-to-use troubleshooting tool. Here’s how you can install and use it from the Azure Portal, without needing to log in to the VM.
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