Server/System Monitoring & Metrics Collection

System DesignPalantirLast reported May 2026Low Frequency

Reported: 3× across candidate reports
First seen: May 2025
Last reported: May 2026
Reported outcome: mixed

Problem Overview

Design a monitoring system that periodically collects metrics/stats from a large fleet of servers (e.g., ~1000 servers) every fixed interval (e.g., every 10 minutes) and writes the collected data to a database. The interviewer focuses heavily on…

3 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
The rest of the problem statement — full requirements, constraints, and edge cases
Approach and trade-offs — what passing candidates did, and the mistakes that sink people

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Verified Source

Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.

Codex Fact-Checked

Technical claims, formulas, and scale numbers are reviewed against primary sources.

Interviewer Follow-ups

The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.