debian-mirror-gitlab/db/migrate/20170503140201_reschedule_project_authorizations.rb

45 lines
1 KiB
Ruby
Raw Normal View History

2017-09-10 17:25:29 +05:30
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
2019-02-15 15:39:39 +05:30
class RescheduleProjectAuthorizations < ActiveRecord::Migration[4.2]
2017-09-10 17:25:29 +05:30
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
class User < ActiveRecord::Base
self.table_name = 'users'
end
def up
offset = 0
batch = 5000
start = Time.now
loop do
relation = User.where('id > ?', offset)
user_ids = relation.limit(batch).reorder(id: :asc).pluck(:id)
break if user_ids.empty?
offset = user_ids.last
# This will schedule each batch 5 minutes after the previous batch was
# scheduled. This smears out the load over time, instead of immediately
# scheduling a million jobs.
Sidekiq::Client.push_bulk(
'queue' => 'authorized_projects',
'args' => user_ids.zip,
'class' => 'AuthorizedProjectsWorker',
'at' => start.to_i
)
start += 5.minutes
end
end
def down
end
end