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Diffstat (limited to 'doc/development/database_review.md')
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diff --git a/doc/development/database_review.md b/doc/development/database_review.md index f56ffdbad21..8a10391419a 100644 --- a/doc/development/database_review.md +++ b/doc/development/database_review.md @@ -184,10 +184,6 @@ test its execution using `CREATE INDEX CONCURRENTLY` in the `#database-lab` Slac - [Check query plans](understanding_explain_plans.md) and suggest improvements to queries (changing the query, schema or adding indexes and similar) - General guideline is for queries to come in below 100ms execution time - - If queries rely on prior migrations that are not present yet on production - (eg indexes, columns), you can use a [one-off instance from the restore - pipeline](https://ops.gitlab.net/gitlab-com/gl-infra/gitlab-restore/postgres-gprd) - in order to establish a proper testing environment. If you don't have access to this project, reach out to #database on Slack to get advice on how to proceed. - Avoid N+1 problems and minimalize the [query count](merge_request_performance_guidelines.md#query-counts). ### Timing guidelines for migrations |