luminus-framework / luminus-framework/luminus-template
Single core at 100% usage after starting REPL
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- Dominant language
- Clojure
- Stars
- 648
- Forks
- 143
- PR merge metrics
- No merged PRs in 30d
Description
I created a vanilla luminus project via `lein new luminus myapp` just a few minutes ago.
I use Intellij with Cursive to start a REPL (OpenJDK 14).
After I started the REPL my laptop fan kept spinning loudly. I can start luminus via `(user/start)` everything behaves normal except my fan kept spinning with 1 core at 100% usage.
I verified, just starting the repl is enough to cause this problem.
I tested against my slightly older luminus projects, which used the same template and they do not have this bug.
Maybe someone can reproduce the bug on a different machine?
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue with a vanilla project created by `lein new luminus myapp`, then start the REPL through IntelliJ/Cursive and compare it with the older projects described. Inspect the REPL startup path around `(user/start)` and identify what keeps one core busy; done means the REPL and application start normally without sustained 100% single-core usage.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- clojure
- Domain
- developer-experience
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100