rust-lang / rust-lang/rust-playground

Intermittent 500 errors with play.rust-lang.org

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Dominant language
Rust
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Description

I am not sure where to report this. The play.rust-lang.org instance seems to be having issues as it keeps giving 500 errors to the execute endpoint.

image

However these errors are intermittent and seem to happen every 2/3 ish runs. Additionally, executions that do succeed are very slow to respond.

The play.integer32.com instance seems to be running fine.

Contributor guide

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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 by reproducing the intermittent 500 responses from the play.rust-lang.org execute endpoint and compare them with play.integer32.com, noting response times and failure frequency. Trace the execute request through the Rust Playground service; done means identifying and resolving the cause of the 500 errors and slow successful executions, then confirming repeated runs succeed reliably.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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