MetPX / MetPX/sr3_tools

block (or fix?) `tail -f`

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#29 1 comment 0 reactions 0 assignees View on GitHub

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enhancement
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Shell
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Description

tail -f doesn't work well with dsh. It leaves the command running forever on the first server in the cluster.

There might be a way to make it work, but assuming there's not, we should block it because when done by accident it causes issues. (abandoned process using lots of CPU)

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at the dsh command entry point and reproduce the reported behavior with tail -f across a cluster. Trace how the command is launched and terminated, then check any existing CLI tests. Done means either tail -f behaves correctly across servers or the command is reliably blocked with a clear warning; the issue does not yet decide which outcome is intended.

Written by the indexing model from the issue text.

Assessment

Tech stack
shell
Domain
cli
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
45/100

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