Database

Anomaly Detection for Monitoring – A New eBook

01/27/16 We’re excited to share Anomaly Detection for Monitoring a new, free eBook written by Preetam Jinka and Baron Schwartz. In the eBook, published in collaboration with Ruxit …

Queueing Theory: London Underground Escalator Policy Challenges Social Norms

01/19/16 In 2016, we published our eBook Everything You Need to Know About Queueing Theory, and as part of its launch, we blogged about one way (of the many) queueing theory has re…

Analyzing Spark’s MPP Scalability with the USL

01/13/16 Over at the Percona Performance Blog, Vadim recently published benchmark results for Apache Spark, and the shape of the graphs caught my eye. Here’s one of Vadim’s charts:…

The Factors That Impact Availability, Visualized

12/21/15 We all want our systems to have high availability, but sometimes the exact meaning of “high availability” isn’t very clearly defined. However, availability — like scalabil…

8 Reasons Why ChatOps Isn’t Working At Your Company

12/16/15 About a year and half ago I published a blog post about ChatOps at VividCortex (if you’re unfamiliar with ChatOps, that original post still serves as a good primer). At th…

See the Details with 1-Second Resolution Data

12/05/15 We’ve talked a lot about the high-resolution data we capture, but if you haven’t experienced it yourself, it might be a little abstract. Here, look at the difference betwe…

Is That Query Bad?

12/03/15 This post is part of an ongoing series on the best practices for effective and insightful database monitoring. Much of what’s covered in these posts is not intuitive, yet …

A Trendline Is a Model

11/30/15 This post is part of an ongoing series on the best practices for effective and insightful database monitoring. Much of what’s covered in these posts is unintuitive, yet vi…

The Value of Log Structured Merge Trees

11/20/15 Indexes are usually built by way of a data structure; typically, that structure takes the form of a “tree.” Most commonly, the structure of choice is a B-Tree, which is a …

Capacity Planning with the Universal Scalability Law

11/13/15 “How much load can this system sustain?” is a common question in capacity planning. The practical purpose is usually something like the following: How soon will the system…

Introducing Query Anomaly Detection

11/11/15 Anomaly detection sure is a hot topic. We’ve written about it ourselves a number of times, and Preetam Jinka and I just co authored a book for O’Reilly called Anomaly Dete…

Nobody Loves Graphite Anymore

11/06/15 Many of our customers use Graphite, and I don’t think anyone would argue with me when I say it’s probably the most commonly used time series database in the DevOps communi…