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| author | Yorick Peterse <yorickpeterse@gmail.com> | 2018-02-08 11:22:04 +0000 |
|---|---|---|
| committer | Yorick Peterse <yorickpeterse@gmail.com> | 2018-02-08 11:22:04 +0000 |
| commit | 07e1bcc0768d74b85135a2dff1d7cd3afd13f6de (patch) | |
| tree | 0619790b5373fb38d84cb56edb9e4137e1679dd2 /doc/development | |
| parent | 297b075bd7d3f6a2703ee8dd6c30ac05400e31a3 (diff) | |
| parent | 917fb1744c10cdddd50c22bda690dfcca9a47eff (diff) | |
| download | gitlab-ce-07e1bcc0768d74b85135a2dff1d7cd3afd13f6de.tar.gz | |
Merge branch 'bvl-fix-concurrent-fork-network-migrations' into 'master'42861-include-external-files-in-gitlab-ci-yml-move-from-eep-to-ce
Fix concurrent fork network migrations
Closes #41487
See merge request gitlab-org/gitlab-ce!16988
Diffstat (limited to 'doc/development')
| -rw-r--r-- | doc/development/background_migrations.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/development/background_migrations.md b/doc/development/background_migrations.md index af2026c483e..fc1b202b5eb 100644 --- a/doc/development/background_migrations.md +++ b/doc/development/background_migrations.md @@ -94,6 +94,18 @@ jobs = [['BackgroundMigrationClassName', [1]], BackgroundMigrationWorker.bulk_perform_in(5.minutes, jobs) ``` +### Rescheduling background migrations + +If one of the background migrations contains a bug that is fixed in a patch +release, the background migration needs to be rescheduled so the migration would +be repeated on systems that already performed the initial migration. + +When you reschedule the background migration, make sure to turn the original +scheduling into a no-op by clearing up the `#up` and `#down` methods of the +migration performing the scheduling. Otherwise the background migration would be +scheduled multiple times on systems that are upgrading multiple patch releases at +once. + ## Cleaning Up >**Note:** |