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Posted to commits@airflow.apache.org by "pierrejeambrun (via GitHub)" <gi...@apache.org> on 2026/09/22 12:35:26 UTC
[PR] Clear all task instances in a task group, not just the first page [airflow]
pierrejeambrun opened a new pull request, #73547:
URL: https://github.com/apache/airflow/pull/73547
Clearing a task group could silently skip task instances beyond the first page of results.
Marking a task group already resolves the whole group server-side, but **clearing** enumerated the group's task instances through the paginated task-instance listing on the client and only ever sent the first page (default 50) as `task_ids`. A group with more tasks than the page size had the rest dropped from both the dry-run preview and the actual clear.
The clear endpoint (`POST /dags/{dag_id}/clearTaskInstances`) now accepts an optional `task_group_id` and resolves the group's tasks server-side from the dag structure via `iter_tasks()` (so nested sub-groups are included) — the same mechanism the mark-as-group endpoint uses. The clear-group dialog sends `task_group_id` instead of enumerating, so nothing is capped. `task_group_id` and `task_ids` are mutually exclusive.
The dialog is visually unchanged — only its data source changes (it no longer pre-fetches the group's task list), so there is no visual difference to screenshot.
closes: #59235
---
##### Was generative AI tooling used to co-author this PR?
- [X] Yes — Claude Code (Opus 4.8)
Generated-by: Claude Code (Opus 4.8) following [the guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions)
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Re: [PR] Clear all task instances in a task group, not just the first page [airflow]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #73547:
URL: https://github.com/apache/airflow/pull/73547#issuecomment-5800257432
### Backport failed to create: airflow-ctl/v0-1-test. View the failure log <a href='https://github.com/apache/airflow/actions/runs/35899850389'> Run details </a>
Note: As of [Merging PRs targeted for Airflow 3.X](https://github.com/apache/airflow/blob/main/dev/README_AIRFLOW3_DEV.md#merging-prs-targeted-for-airflow-3x)
the committer who merges the PR is responsible for backporting the PRs that are bug fixes (generally speaking) to the maintenance branches.
In matter of doubt please ask in [#release-management](https://apache-airflow.slack.com/archives/C03G9H97MM2) Slack channel.
<table>
<tr>
<th>Status</th>
<th>Branch</th>
<th>Result</th>
</tr>
<tr>
<td>❌</td>
<td>airflow-ctl/v0-1-test</td>
<td><a href="https://github.com/apache/airflow/commit/3eec18d5bc3c8172c5e832b643592154b674456e"><img src='https://img.shields.io/badge/Commit-3eec18d-red' alt='Commit Link'></a></td>
</tr>
</table>
You can attempt to backport this manually by running:
```bash
cherry_picker 3eec18d airflow-ctl/v0-1-test
```
This should apply the commit to the airflow-ctl/v0-1-test branch and leave the commit in conflict state marking
the files that need manual conflict resolution.
After you have resolved the conflicts, you can continue the backport process by running:
```bash
cherry_picker --continue
```
If you don't have cherry-picker installed, see the [installation guide](https://github.com/apache/airflow/blob/main/dev/README.md#how-to-backport-pr-with-cherry-picker-cli).
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Re: [PR] Clear all task instances in a task group, not just the first page [airflow]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #73547:
URL: https://github.com/apache/airflow/pull/73547#issuecomment-5800264253
### Backport failed to create: v3-3-test. View the failure log <a href='https://github.com/apache/airflow/actions/runs/35899850389'> Run details </a>
Note: As of [Merging PRs targeted for Airflow 3.X](https://github.com/apache/airflow/blob/main/dev/README_AIRFLOW3_DEV.md#merging-prs-targeted-for-airflow-3x)
the committer who merges the PR is responsible for backporting the PRs that are bug fixes (generally speaking) to the maintenance branches.
In matter of doubt please ask in [#release-management](https://apache-airflow.slack.com/archives/C03G9H97MM2) Slack channel.
<table>
<tr>
<th>Status</th>
<th>Branch</th>
<th>Result</th>
</tr>
<tr>
<td>❌</td>
<td>v3-3-test</td>
<td><a href="https://github.com/apache/airflow/commit/3eec18d5bc3c8172c5e832b643592154b674456e"><img src='https://img.shields.io/badge/Commit-3eec18d-red' alt='Commit Link'></a></td>
</tr>
</table>
You can attempt to backport this manually by running:
```bash
cherry_picker 3eec18d v3-3-test
```
This should apply the commit to the v3-3-test branch and leave the commit in conflict state marking
the files that need manual conflict resolution.
After you have resolved the conflicts, you can continue the backport process by running:
```bash
cherry_picker --continue
```
If you don't have cherry-picker installed, see the [installation guide](https://github.com/apache/airflow/blob/main/dev/README.md#how-to-backport-pr-with-cherry-picker-cli).
--
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Re: [PR] Clear all task instances in a task group, not just the first page [airflow]
Posted by "bbovenzi (via GitHub)" <gi...@apache.org>.
bbovenzi merged PR #73547:
URL: https://github.com/apache/airflow/pull/73547
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