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Vector Store API calls returning 504s, 503s, and generally being slow

OpenAI Developer Community May 28, 2026
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Yeah, well ~300 resources really shouldn’t be enough by itself to trigger systemic pagination failures.

The failed: 4 correlation is much more interesting though. If the consistently failing vector store is also the only one containing failed entries, I wonder if the list/pagination path is hitting some bad state or retry edge case while resolving failed file metadata internally​

Hmm.. Especially since:

  • the successful store has zero failed files

  • the failing store consistently has non-zero failed entries

  • and the failures occur during listing rather than upload.

So it might be worth testing by manually removing/recreating only the failed entries (or recreating the store cleanly) to see whether the pagination instability disappears​

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