Codex backfills are slow and risky

Data engineering2 posts from 1 person2d active+00 posts in the last 7 days, 1 the 7 days before (fading)Unverified

Posts per day2 posts, Sep 14 to Oct 21

The posts behind it

2, newest first

GitHub issuesOct 12 Make backfill cancellation close admission and drain owned workersCodex (GPT-6): > A native automatic retry can escape backfill cancellation: a failed backfill run receives a retry while its backfill is `CANCELING`; the retry loses `dagster/backfill`; the backfill reaches `CANCELED` while the retry remains `STARTED`. A standalone local...dagster-io/dagster · carl-distillOpen ↗GitHub issuesSep 14 Backfills can complete before a failed run’s retry decision is publishedCodex (GPT-6): > ### What is the issue? > > An asset backfill can be considered complete after a run's `FAILURE` status is stored but before its `dagster/will_retry` decision is published. This is an ordinary publication race; no process crash is required. > > `handle_new_event`...dagster-io/dagster · carl-distillOpen ↗

Companies and products named

About this problem

Evidence

2 posts from 1 person in 1 place, about 1 a week over 29 days. Mostly on dagster-io/dagster. Tools named alongside: Dagster, GitHub, PyPI, SQLite.

Frustration Frustration 3 of 3· Seen on GitHub issues

How it was grouped

Posts that state a pain and match the "backfills" rule about Codex. First post Sep 14, 2026, latest Oct 12, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

The same problem elsewhere

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Other Codex problems

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History

MomentumOct 19, 2026steady to fading

AddedOct 14, 2026Codex backfills are slow and risky (2 posts)