The Blog. From Circonus

Some Like It Flat

Some Like It Flat

JSON rules the world, much to our collective chagrin. I’ve mentioned before the atrocious shortcomings of JSON as a format and I feel deeply saddened that the format has taken the world by storm. However, it is here and we must cope… but not always. Like every other...

Site Maintenance Oct 23rd, 2017 10:00 EDT

We will be performing site wide maintenance on Monday, October 23rd, 2017 at 10:00am EDT (14:00 UTC). This maintenance is expected to last 15 minutes. During this window, the UI and API will be unavailable as we fail over to a new primary datacenter. This maintenance...

System Monitoring with the USE Dashboard

The USE method was developed by Brendan Gregg to study performance problems in a systematic way.1 It provides a simple, top-down approach to identify bottlenecks quickly and reliably. The gathering of performance metrics is usually done using a myriad of different...

Advanced Search Builder

Last year, changes on the backend allowed Circonus to make significant improvements to our search capability. Now, we've added an Advanced Search tool to allow users to easily build complex search queries, making Search in Circonus more powerful and flexible than ever...

Show Me the Data

Avoid spike erosion with Percentile - and Histogram - Aggregation It has become common wisdom that the lossy process of averaging measurements leads to all kinds of problems when measuring performance of services (see Schlossnagle2015,  Ugurlu2013,  Schwarz2015,...

ACM – Testing a Distributed System

I want to sing the praises of one of our lead engineers, Phil Maddox, for authoring a very interesting paper, Testing a Distributed System, which was published in Communications of the ACM, Vol. 58 No. 9. A brief excerpt follows: "Distributed systems can be especially...