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changes.mady.by.user Krishna Agarwal

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Comment: Added code changes section

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  1. Secrets will be provided to the container using folder mount.
  2. If a property is provided both in the mounted file and as an environment variable, the value from the environment variable will take precedence.

Code changes

  • We are introducing a Docker wrapper into the Kafka codebase. This wrapper will encapsulate the logic required to set up property files, adhering to the rules outlined in the previous section.
  • This Docker wrapper will be supported by bash scripts, which will be situated within the Docker container. These scripts will serve as the entry point for the Docker image, streamlining the process.
  • Previously, we utilized Golang for the setup of the property files. However, once the Docker wrapper changes are integrated, the Golang code will be removed. This change will eliminate the need for maintaining support for an additional language in the codebase, reducing overhead.

NOTE:

  1. Having the logic to configure property files in the kafka codebase, means that there will be a dependency on the kafka binary tarball that is containerised inside the docker image.
  2. Hence, previous versions of kafka which do not contain this Docker wrapper will not be supported for Docker image generation.

Class Data Sharing(CDS)

We did a small POC with class data sharing (CDS) feature that can help reduce the startup time and memory footprints for Java applications.

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