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author | GitLab Bot <gitlab-bot@gitlab.com> | 2023-07-20 21:07:04 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2023-07-20 21:07:04 +0300 |
commit | 3b7f1f7e093053f42674f950236b9733a08507cd (patch) | |
tree | a957a067b82d600cdce89a38d2e11b26d9d3bfcf /doc/development/database/database_migration_pipeline.md | |
parent | 58af7e4529e1762dea281938952bbba918d92cb9 (diff) |
Add latest changes from gitlab-org/gitlab@master
Diffstat (limited to 'doc/development/database/database_migration_pipeline.md')
-rw-r--r-- | doc/development/database/database_migration_pipeline.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/development/database/database_migration_pipeline.md b/doc/development/database/database_migration_pipeline.md index a9d525e2a41..280254d90b0 100644 --- a/doc/development/database/database_migration_pipeline.md +++ b/doc/development/database/database_migration_pipeline.md @@ -44,6 +44,13 @@ The next section of the comment contains detailed information for each migration calls, timings, and the number of the changed rows. - **Runtime histogram** - Indicates the distribution of query times for the migration. +### Database size increase + +Occasionally, a migration shows a +8.00 KiB size increase, even if the migration was not +expected to result in a size increase. Completing any migration adds a row to the +`schema_migrations` table, which may require a new disk page to be created. +If a new disk page is created, the size of the database will grow by exactly 8 KiB. + ## Background migration details The next section of the comment contains detailed information about each batched background migration, including: |