1 files changed, 30 insertions, 0 deletions
diff --git a/db/post_migrate/20230208132608_fix_partition_ids_for_ci_stage.rb b/db/post_migrate/20230208132608_fix_partition_ids_for_ci_stage.rb
new file mode 100644
index 00000000000..c3ec614a37f
--- /dev/null
+++ b/db/post_migrate/20230208132608_fix_partition_ids_for_ci_stage.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class FixPartitionIdsForCiStage < Gitlab::Database::Migration[2.1]
+  MIGRATION = 'RebalancePartitionId'
+  DELAY_INTERVAL = 2.minutes.freeze
+  TABLE = :ci_stages
+  BATCH_SIZE = 3_000
+  SUB_BATCH_SIZE = 300
+
+  restrict_gitlab_migration gitlab_schema: :gitlab_ci
+
+  def up
+    return unless Gitlab.com?
+
+    queue_batched_background_migration(
+      MIGRATION,
+      TABLE,
+      :id,
+      job_interval: DELAY_INTERVAL,
+      batch_size: BATCH_SIZE,
+      sub_batch_size: SUB_BATCH_SIZE
+    )
+  end
+
+  def down
+    return unless Gitlab.com?
+
+    delete_batched_background_migration(MIGRATION, TABLE, :id, [])
+  end
+end