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Synchronous pipeline tasks can outlive a worker process. A task retry currently submits a second Data Fusion run instead of reconnecting to the exact run already in progress. Generated-by: GitHub Copilot CLI (GPT-5.6 Sol) Signed-off-by: 1fanwang <[email protected]>
Task-state recovery is unavailable on older Airflow releases, so those compatibility jobs must exercise only the fresh-submit fallback. Generated-by: GitHub Copilot CLI (GPT-5.6 Sol) Signed-off-by: 1fanwang <[email protected]>
The compatibility suite exercises legacy link persistence, which requires the operator in the task context. Generated-by: GitHub Copilot CLI (GPT-5.6 Sol) Signed-off-by: 1fanwang <[email protected]>
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Hello @1fanwang - thank you for your contributions to Apache Airflow! The Airflow community has introduced a limit of 5 open pull requests at a time for contributors without write access to the repository. You currently have 34 open pull requests, so - as a one-time step of introducing the limit - we closed the ones where maintainers have not engaged yet:
These pull requests stay open because maintainers are already engaged in them - they count towards your limit:
This is not a judgement of you or of your changes. We never told contributors before that opening many pull requests at once was a problem, so there is nothing to feel bad about - and nothing is lost: your branches, commits and the review history stay where they are. What we ask you to do is to make your first prioritization decision: choose which of the pull requests above matter most to you, and reopen them (up to 5 open at a time, including the ones still open) with the "Reopen pull request" button or While your pull requests are waiting for review, the most valuable thing you can do is help in other ways - reviewing other contributors' pull requests, helping with issues, and taking part in the discussions on the devlist and Slack. Why we introduced the limit, what it means for you and how to reopen or restore a pull request is explained in https://github.com/apache/airflow/blob/main/contributing-docs/32_open_pull_request_limit.rst. Drafted-by: Claude Code (Opus 5); reviewed by @potiuk before posting |
Why
If a worker exits after starting a synchronous Data Fusion pipeline, the retry starts another run while the first one keeps running.
The retry now reconnects with the stored
runId. Completed runs return without another submission. Failed, killed, or rejected runs start fresh.What
The synchronous polling path uses AIP-103's
ResumableJobMixin. It stores the exactrunIdbefore polling and restores that run withget_pipeline_workflow. Lookup errors stop the task rather than risk a duplicate.Asynchronous and deferrable execution keep their existing submission behavior. Airflow versions before 3.3 also keep the non-durable path.
Tests
Task-state red/green proof
Risk
Only synchronous polling uses recovery. Unknown nonterminal states reconnect, and exact-run lookup failures propagate.
Was generative AI tooling used to co-author this PR?
Generated-by: GitHub Copilot CLI (GPT-5.6 Sol) following the guidelines