datafusion-contrib / datafusion-contrib/liquid-cache

Investigate Stack Overflow benchmark result mismatch

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Dominant language
Rust
Stars
452
Forks
51
Avg merge
3h 10m
Merged PRs (30d)
12

Description

I don't understand why stack overflow benchmark in ci produces different results than running locally.

I have double checked the execution locally and they are the same. I believe something might be wrong, we need to properly fix this.

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 locating the Stack Overflow benchmark invoked in CI and compare its execution environment and inputs with the local run described in the issue. Trace the benchmark output in both contexts; done means the cause of the mismatch is identified and CI produces the expected result.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
ci-cd, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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