As the Grafana Labs team pushes the Loki project toward general availability, we will be doing deep dives on its key features. Here are the first two: the Docker logging driver plugin and support for systemd.
Coming Soon: Seamless and Cost-Effective Meta Tags for Metrictank One of the major projects we’re working on for Metrictank – our large scale Graphite solution – is the meta tags feature, which we started last year and are targeting to release in a few months. A lot of people don’t realize this, but Graphite has had tag support for more than a year. Our mission with Metrictank is to provide a more scalable version of Graphite, so introducing meta tags was a logical next step.
This summer I had the opportunity to present my practical fault detection concepts and hands-on approach as conference presentations. First at Velocity and then at SRECon16 Europe. The latter page also contains the recorded video. If you’re interested at all in tackling non-trivial timeseries alerting use cases (e.g. working with seasonal or trending data) this video should be useful to you. It’s basically me trying to convey in a concrete way why I think the big-data and math-centered algorithmic approaches come with a variety of problems making them unrealistic and unfit, whereas the real breakthroughs happen when tools recognize the symbiotic relationship between operators and software, and focus on supporting a collaborative, iterative process to managing alerting over time.
Collectd is a program that you can run on your systems to gather statistics on performance, processes, and overall status of the system in question. When you send these statistics to a time series database like Graphite, you’ll need some way to access and visualize all that data – after all, if you collect all that data but don’t have any way to use or access it, it’s not going to do you a whole lot of good.
A while back I read coders at work, which is a book of interviews with some great computer scientists who earned their stripes, the questions just as thoughtful as the answers. For one thing, it re-ignited my interest in functional programming, for another I got interested in literate programming but most of all, it struck me how common of a recommendation it was to read other people’s code as a means to become a better programmer.
The raintank software stack is comprised of a number of different components that all work together to deliver our platform. Some of our components include: front-end visualization and dashboarding (based on Grafana) network performance data “collectors” event and metric processing and persisting core RESTful API To support these services we have a number of shared services including: Elasticsearch InfluxDB MySQL RabbitMQ Redis As the stack has grown it has become increasingly more difficult to manage our development environments.