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InfoQ Homepage News Focused on Observability: CNCF Publishes Latest Technology Radar

Focused on Observability: CNCF Publishes Latest Technology Radar

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CNCF released their second quarterly technology radar focused on Observability. The goal of the radar is to "share what tools are actively being used by end users, the tools  they would recommend, and their patterns of usage" when adopting cloud-native technologies.

The findings of the survey were presented as a webinar and the slides are also available (PDF). The radar project is overseen by Cheryl Hung, VP of Ecosystem at CNCF. The team that worked on collecting and analysing the data for the Observability radar includes Kunal Parmar (Box), Marcin Suterski (NY Times), Jason Tarasovic (payitgov.com) and Jon Moter (Zendesk). This is the second radar after the first which was published in June 2020 and was focused on Continuous Delivery.

At the outset there is an acknowledgement that the survey is not exhaustive in terms of tools and technologies. The tech radar is "intended to be a guide" instead of taking any unequivocal position of prescribing technologies that are perfect for a given situation.

The Observability radar team received 283 votes from 32 companies on various observability tools and solutions. The respondents were spread across different domains, but most were from software companies. Hung notes that there might be a slight bias towards mid to large sized companies.

The CNCF tech radar categorizes solutions at three levels or "rings" - Adopt, Trial, and Assess. In this radar, the Assess ring - which is supposed to have the "least consensus" - includes Thanos, OpenTelemetry and Kiali. In contrast to Thanos and Kiali, OpenTelemetry is a specification and not a tool. The Trial ring - which has tools that are "promising" - includes Jaeger, Splunk, Lightstep, StatsD, Cloudwatch, and Sentry. The last ring - Adopt - which indicates "wide adoption" - has Prometheus, Grafana, Elastic, Datadog, and OpenMetrics. The fact that tools like Splunk and StatsD have been around for a while and are widely used in many organizations indicates that this grouping is not perfect. Also, AWS users usually end up using Cloudwatch to some extent, as noted by one of the team members in the webinar. Interestingly, the Trial and Adopt rings have both SaaS as well as self-managed solutions.

The team also reports three interesting themes that came out of this survey. The first is that the most commonly adopted tools are open source. One of the presenters mentions that it's noteworthy that companies are spending time and energy in running these OSS tools. It is easy to bring up a small test deployment of such tools, but it typically takes a lot of effort and time to get them up and running at a larger scale.

The second theme is that there is no consolidation in the observability space. Most companies use more than one tool. One of the members notes that "many of the responding companies have their strength in one or more of the tools but not necessarily all, and that is probably the factor in choosing more than one tool". In addition, the cost of moving from one tool to another is pretty high. There is general agreement that it's a churning domain.

The last theme involved Prometheus and Grafana which are frequently used together. Prometheus integration with Grafana has been included with the latter as a datasource since 2015.

As mentioned in the webinar, it should be noted that the results of the survey - carried out in August 2020 - are constrained by the companies reached out to. Most companies had a larger number of technologies in use than are represented in the report, and this is an attempt to narrow it down to an "interesting and useful" set. Users can recommend or vote for future radar topics in a GitHub issue.

 

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