openml / openml/OpenML

Very slow task/list filter?

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Dominant language
PHP
Stars
755
Forks
128
PR merge metrics
No merged PRs in 30d

Description

I haven't managed to get a result for the following call within 3 minutes:
https://www.openml.org/api/v1/json/task/list/number_instances/10..1000/limit/100

Contributor guide

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First steps

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  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 request at /api/v1/json/task/list/number_instances/10..1000/limit/100 and trace the task-list API entry point. Investigate why this filter does not return within three minutes; done means the request completes reliably with the stated parameters and a regression check covers the slow case.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
api, backend, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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