Psyduck: The SingleStore Journey to Containers

The text discusses the challenges of testing a distributed database like SingleStore and how Docker helped alleviate those issues. The company started with a DIY approach to testing their software, using a cluster of bare metal boxes and later an OpenStack cluster, but eventually found that containers provided a better solution for scaling and isolation. They built a custom scheduling system and key value storage system called Pokedex to support their containerized environment, which has improved the efficiency of their testing process. The experience with Docker has been highly beneficial, allowing SingleStore to test their software at scale and maintain reliability. However, there are still challenges related to Linux namespace abstraction and debugging in containers that need to be addressed.

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