Problem
A live application needed diagnosis across proxy saturation, Node.js memory pressure, and slow endpoints.
Case study
Production Performance Investigation
A live application needed diagnosis across proxy saturation, Node.js memory pressure, and slow endpoints.
Environment
Anonymized production environment using Apache, Node.js, PM2, Linux, Logs. Client names, domains, and private infrastructure details are intentionally omitted.
Constraints
Live production behavior needed careful review Changes had to be reversible Findings needed to separate server and application factors
Approach
Investigated Apache worker saturation, Node.js memory pressure, slow endpoints, server load, and application-level errors in a live production environment.
Implementation
Reviewed Apache and PM2 behavior Checked CPU, memory, and logs Mapped slow routes and error signals
Validation
Stabilization steps documented Server health reviewed Next release recommendations prepared
Outcome
Root-cause investigation notes, stabilization steps, and a clearer path for the next release window.
Technology Stack
Apache, Node.js, PM2, Linux, Logs
Consultation
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