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https://codeberg.org/forgejo/forgejo.git
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270317a3ad
```
NAME:
forgejo doctor cleanup-commit-status - Cleanup extra records in commit_status table
USAGE:
forgejo doctor cleanup-commit-status
DESCRIPTION:
Forgejo suffered from a bug which caused the creation of more entries in the
"commit_status" table than necessary. This operation removes the redundant
data caused by the bug. Removing this data is almost always safe.
These reundant records can be accessed by users through the API, making it
possible, but unlikely, that removing it could have an impact to
integrating services (API: /repos/{owner}/{repo}/commits/{ref}/statuses).
It is safe to run while Forgejo is online.
On very large Forgejo instances, the performance of operation will improve
if the buffer-size option is used with large values. Approximately 130 MB of
memory is required for every 100,000 records in the buffer.
Bug reference: https://codeberg.org/forgejo/forgejo/issues/10671
OPTIONS:
--help, -h show help
--custom-path string, -C string Set custom path (defaults to '{WorkPath}/custom')
--config string, -c string Set custom config file (defaults to '{WorkPath}/custom/conf/app.ini')
--work-path string, -w string Set Forgejo's working path (defaults to the directory of the Forgejo binary)
--verbose, -V Show process details
--dry-run Report statistics from the operation but do not modify the database
--buffer-size int Record count per query while iterating records; larger values are typically faster but use more memory (default: 100000)
--delete-chunk-size int Number of records to delete per DELETE query (default: 1000)
```
The cleanup effectively performs `SELECT * FROM commit_status ORDER BY repo_id, sha, context, index, id`, and iterates through the records. Whenever `index, id` changes without the other fields changing, then it's a useless record that can be deleted. The major complication is doing that at scale without bringing the entire database table into memory, which is performed through a new iteration method `IterateByKeyset`.
Manually tested against a 455,303 record table in PostgreSQL, MySQL, and SQLite, which was reduced to 10,781 records, dropping 97.5% of the records.
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/10686
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net>
Co-committed-by: Mathieu Fenniak <mathieu@fenniak.net>
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| .. | ||
| actions | ||
| activities | ||
| admin | ||
| asymkey | ||
| auth | ||
| avatars | ||
| db | ||
| dbfs | ||
| fixtures | ||
| forgefed | ||
| forgejo/semver | ||
| forgejo_migrations | ||
| forgejo_migrations_legacy | ||
| git | ||
| gitea_migrations | ||
| issues | ||
| moderation | ||
| organization | ||
| packages | ||
| perm | ||
| project | ||
| pull | ||
| quota | ||
| repo | ||
| secret | ||
| shared/types | ||
| system | ||
| unit | ||
| unittest | ||
| user | ||
| webhook | ||
| error.go | ||
| main_test.go | ||
| org.go | ||
| org_team.go | ||
| org_team_test.go | ||
| org_test.go | ||
| repo.go | ||
| repo_test.go | ||
| repo_transfer.go | ||
| repo_transfer_test.go | ||