Aggregation pipelines in MongoDB can get very complex very quickly. But they provide a much more flexible query interface than simple “find” queries and often allow you to leverage data locality by moving much of your data processing to Mongo itself. In this blog post, we will discuss the decision to move a particular data processing pipeline to Mongo, and how we managed to stay sane in the process.… Read More »
Shoelaces is a tool that provides the glue for the unmanned bootstrapping of a server using a lightweight mechanism. That means you can boot a remote server either manually or automatically without local assistance. Here at ThousandEyes, we have been using Shoelaces for almost two years now as a key component of our infrastructure management environment.… Read More »
In this post I’m going to briefly cover the D3 reusable component pattern, integrating these components into an Angular app and the advantages to doing so. Then we’ll go into testing these visual components using the Karma test runner.… Read More »
In this blog post we’re going to compare the parsing and serialization efficiency of three different C++ JSON libraries. We are carrying out this performance test because we use JSON-RPC in some of our applications. … Read More »
Installing ThousandEyes private agents in each branch location gives you more accurate data about the performance of your network infrastructure, as well as web-based SaaS applications that depend on that infrastructure. To get you up and running quickly we’re supplying modules for the most popular configuration management tools. Today we’re releasing a teagent Chef cookbook to help you install and configure the ThousandEyes private agent with Chef.
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In Part 1, I converted a widget from a jQuery plugin into an AngularJS directive. Here, I talk about how to write an extensible widget through using Directive Controllers, a feature in AngularJS directives.… Read More »
Whether you’re developing websites or web applications, you’ve probably encountered the need for some form of interactive controls that don’t come out of the box from the browser. The date picker is a classic example of such functionality. In many cases, the interactivity can be generalized and packaged into reusable components which I’ll call widgets.… Read More »
Here at ThousandEyes, we’re big on solving problems. We aim to give people the data and tools they need to quickly identify performance problems with their websites or network assets. One test we offer our customers is an “HTTP Server” test — we request a URL provided by the client and time each step of the process using cURL. In the “normal” case, when a client is talking directly to a webserver, measuring these values is fairly straightforward. Unfortunately, some clients sit behind proxies and cannot talk directly with the webservers they wish to monitor. … Read More »
ThousandEyes agents can help you understand and troubleshoot what’s happening with your network and infrastructure, giving you visibility from the inside and allowing you to go all the way to the cloud provider. Installing the ThousandEyes private agent is a simple process; the installation script is very easy to use and you will have a private agent online within a few minutes, but manually installing software, no matter how easy it is to install, on multiple servers is ancient history.… Read More »
I would say that RESTful APIs have become the de facto standard for APIs on the web, except that I can’t, because REST is not a standard. It’s a set of design principles created by Roy Fielding as part of his Ph.D. dissertation. As a result, there is much discussion (and confusion) out there on the web about how to apply these principles in practice.… Read More »