Update /deployment/docker

Open Beginner friendly
#370 1 comment 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
72/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Quiet
Tech stack
docker
Domain
devops, documentation

Research direction

Start with the deployment/docker and getting-started/capacity-planning pages linked in the issue, then trace them to their source files in the documentation repository. Add accurate guidance for configuring /etc/docker/daemon.json, including the relevant ulimit settings and the fs.file-max warning. Done means both pages explain the Docker configuration clearly and the example is valid JSON.

Written by the indexing model from the issue text.

Description

https://questdb.com/docs/deployment/docker/
https://questdb.com/docs/getting-started/capacity-planning/

should contain some info on how to correctly set /etc/docker/daemon,json.

I got the the fs.file-max limit is too low [current=524288, recommended=1048576] message, although ulimits were correct on the host.

creating /et/docker/daemons.json

 {"default-ulimits": {
    "nofile": {
      "Name": "nofile",
      "Hard": 1048576,
      "Soft": 8096
    },
    "nproc": {
      "Name": "nproc", 
      "Hard": 500,
      "Soft": 500
    }
  }
}

and restarting docker fixed the problem by raising the ulimit in the container. nproc values and soft limit just fell from the sky ;-) your mileage my vary.

Dominant language
TypeScript
Stars
13
Forks
44
Avg merge
1d 9h
Merged PRs (30d)
26

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