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How did John Mosquera improve the monitoring and alerting system for client web apps at MMT Digital?
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John Mosquera conducted a detailed audit of the existing monitoring setup, identifying gaps such as missing alerts for certain error types and overly broad thresholds. He then refined Datadog monitors to capture previously undetected errors, including unhandled exceptions, slow database queries, and memory leaks. Each monitor was tailored to specific services and environments, ensuring relevance and minimizing noise. He also set up anomaly detection for CPU spikes during off-peak hours. This comprehensive approach addressed the initial problems of frequent outages and slow response times due to inadequate alerting mechanisms and insufficient visibility into system performance. John Mosquera significantly enhanced the monitoring and alerting system by refining Datadog monitors to capture previously undetected errors and implementing tailored, service-specific alerts with anomaly detection capabilities.