Adjust batch size for migrating runners token

db/post_migrate/20181121111200_schedule_runners_token_encryption.rb

@@ -5,7 +5,7 @@ class ScheduleRunnersTokenEncryption < ActiveRecord::Migration
 
   DOWNTIME = false
   BATCH_SIZE = 10000
-  RANGE_SIZE = 100
+  RANGE_SIZE = 2000
   MIGRATION = 'EncryptRunnersTokens'
 
   MODELS = [
@@ -20,7 +20,7 @@ class ScheduleRunnersTokenEncryption < ActiveRecord::Migration
   def up
     MODELS.each do |model|
       model.each_batch(of: BATCH_SIZE) do |relation, index|
-        delay = index * 2.minutes
+        delay = index * 4.minutes
 
         relation.each_batch(of: RANGE_SIZE) do |relation|
           range = relation.pluck('MIN(id)', 'MAX(id)').first

spec/migrations/schedule_runners_token_encryption_spec.rb

@@ -24,13 +24,13 @@ describe ScheduleRunnersTokenEncryption, :migration do
       Timecop.freeze do
         migrate!
 
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, 'settings', 1, 1)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, 'namespace', 11, 11)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'namespace', 12, 12)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, 'project', 111, 111)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'project', 114, 114)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, 'runner', 201, 201)
-        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'runner', 202, 202)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'settings', 1, 1)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'namespace', 11, 11)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(8.minutes, 'namespace', 12, 12)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'project', 111, 111)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(8.minutes, 'project', 114, 114)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 'runner', 201, 201)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(8.minutes, 'runner', 202, 202)
         expect(BackgroundMigrationWorker.jobs.size).to eq 7
       end
     end