Author Archives: Fred Moyer

Tuning AWS EC2 instances with CloudWatch metric analysis

What happens when cloud-based application infrastructure slows down? Twelve years ago, I attended a meetup at the San Francisco Perl […]

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Which block I/O scheduler is the best? We asked eBPF

Putting Linux kernel block I/O schedulers under the eBPF microscope eBPF tracing is a broad and deep subject, and can […]

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Faultd Update – Next Generation Alerting

Circonus will soon be releasing our next generation fault detection system, faultd (fault-dee). Faultd is an internal component of our […]

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How Safe is Your Home’s Air? The Internet of Things and Air Quality Monitoring during Wildfires

IoT-driven monitoring of Air Quality during the 2018 California Wildfires Over the past few weeks, the Camp Fire in Northern […]

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Introducing Circonus Stream Tags

Gain greater insight into system behavior in aggregate, across multiple dimensions. A “metric” is a measurement, or value, representing the […]

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The Problem with Percentiles – Aggregation brings Aggravation

Percentiles have become one of the primary service level indicators to represent real systems monitoring performance. When used correctly, they […]

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