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Changes to Data
Granted, OpenTelemetry was only developed back in 2016, and for a number of years only offered traces and metrics, there may be a number of changes in the future that may complicate the system, thus making the data a bit more difficult to access. Additionally, after Prometheus joined Kubernetes, a number of defaults were added to the tool that can be achieved with another tool without as much of the previously necessary program refinement.
Ease of Use
With software like Prometheus, it has been said it can seem rather clunky or difficult to use—but this software is constantly changing through a wide variety of contributors who are only looking to benefit the overall usage. So, it can be argued that one main difference between the two is the code diversity and how the two differ on open ended development from third party users or other organizations. For OpenTelemetry, there are a number of resources that expand on the program, as well as how to install it and use the software for your benefit.
Where They Started
Now you may be wondering, what is OpenTelemetry? OpenTelemetry is what is called a sandbox project that began through the CNCF. It originally started out as two projects, which were eventually merged to create OpenTelemetry as we know it now: OpenTracing and OpenCensus. The goal of this merge was to improve the software and provide more accurate results while still offering backward compatibility to the aforementioned software programs OpenTelemetry used to be.
If you are concerned about how these programs will interact with your existing system, there are a number of software testing platforms available online that may be able to help you.
While the performance of the two programs matters more than what they are partnered with, it is also important to understand where they have come from and where they are potentially headed. Considering both are open-ended projects and actively promote coders and users to tweak the software while providing feedback to the company, the answers lie in the future, and that can equally lie on who all have their hands in the pot as far as the programs go.
Prometheus, who in recent years joined with Kubernetes, is still an open-ended system that also thrives on contributions from users and coders around the globe. Granted, with the basis of these two systems being based greatly on third party individuals, that may greatly cause the biggest difference of all between these two software programs.
Users and coders who utilize these programs will have tweaks and feedback for the company that constantly change the direction the software is traveling, so the future really resides in our hands, the ones who are typing away at their computers day in and day out to help improve the programs for the next person to use.
In the end, the results will vary based on how you use the programs, and what you are using them for in particular, but figuring out which one works best with your system may require some extensive homework to make sure you are making the best decision possible. No one wants to waste their money on a software program that is not working for them, so the best tool at your disposal is your research!