diff options
Diffstat (limited to 'doc/development/database_review.md')
| -rw-r--r-- | doc/development/database_review.md | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/development/database_review.md b/doc/development/database_review.md index 0fdf255e266..650c6fc7936 100644 --- a/doc/development/database_review.md +++ b/doc/development/database_review.md @@ -79,6 +79,7 @@ the following preparations into account. - Include either a rollback procedure or describe how to rollback changes. - Add the output of the migration(s) to the MR description. - Add tests for the migration in `spec/migrations` if necessary. See [Testing Rails migrations at GitLab](testing_guide/testing_migrations_guide.md) for more details. +- When [high-traffic](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L12) tables are involved in the migration, use the [`with_lock_retries`](migration_style_guide.md#retry-mechanism-when-acquiring-database-locks) helper method. Review the relevant [examples in our documentation](migration_style_guide.md#examples) for use cases and solutions. #### Preparation when adding or modifying queries |