The Blog. From Circonus

The Circonus API and Raspberry PI

The Circonus API and Raspberry PI

Building a Raspberry PI Circonus AlertBot To a Site Reliability Engineer, one of the most important things is making sure that you get alerts as soon as events happen. Circonus provides many contact options, such as SMS, email, Slack, PagerDuty, or VictorOps. For me,...

Crash-Dump Necromancy

Recently, one of our on-premises customers experienced a system crash with one of their metric-storage nodes. Circonus offers the option to operate a complete, private copy of our product on a customer’s own premises. This may be because of a compliance requirement or...

How We Keep Your Data Safe

Some of our users tell us that moving to Circonus from in-house operated tools was driven by the desire to outsource responsibility for availability and data safety to someone else. This might sound odd, but building highly resilient systems is hard, most engineering...

Understanding Data with Histograms

For the last several years, I've been speaking about the lies that graphs tell us. We all spend time looking at data, commonly through line graphs, that actually show us averages. A great example of this is showing average response times for API requests. The above...

Web Portal Outage

Last night circonus.com became unavailable for 34 minutes, this was due to the primary database server becoming unavailable. Here is a breakdown of events, times are US/Eastern. 8:23 pm kernel panic on primary DB machine, system rebooted but did not start up properly...

Graph Annotations and Events

This feature has been a long time in coming: the ability to annotate your graphs! With the new annotations timeline sitting over the graph, not only can you create custom events to mark points in time, but you can also view alerts and see how they fit (or don't fit)...

Insights from a Data Center Conference

At the beginning of this month, I'd attended the Gartner Data Center Conference in Las Vegas, and wanted to share with you some of my gained impressions and insights from the event. First, I have to say that I have seldom seen a group of more conscientious conference...