1 files changed, 25 insertions, 0 deletions
diff --git a/db/post_migrate/20220107064845_populate_vulnerability_reads.rb b/db/post_migrate/20220107064845_populate_vulnerability_reads.rb
new file mode 100644
index 00000000000..58826c5f929
--- /dev/null
+++ b/db/post_migrate/20220107064845_populate_vulnerability_reads.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class PopulateVulnerabilityReads < Gitlab::Database::Migration[1.0]
+  BATCH_SIZE = 10_000
+  DELAY_INTERVAL = 2.minutes
+  MIGRATION_NAME = 'PopulateVulnerabilityReads'
+  SUB_BATCH_SIZE = 1_000
+
+  disable_ddl_transaction!
+
+  def up
+    queue_background_migration_jobs_by_range_at_intervals(
+      define_batchable_model('vulnerabilities'),
+      MIGRATION_NAME,
+      DELAY_INTERVAL,
+      batch_size: BATCH_SIZE,
+      track_jobs: true,
+      other_job_arguments: [SUB_BATCH_SIZE]
+    )
+  end
+
+  def down
+    # no-op
+  end
+end