0fc9f9d3e7
DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
44 lines
1 KiB
Ruby
44 lines
1 KiB
Ruby
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class RescheduleProjectAuthorizations < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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class User < ActiveRecord::Base
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self.table_name = 'users'
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end
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def up
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offset = 0
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batch = 5000
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start = Time.now
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loop do
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relation = User.where('id > ?', offset)
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user_ids = relation.limit(batch).reorder(id: :asc).pluck(:id)
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break if user_ids.empty?
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offset = user_ids.last
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# This will schedule each batch 5 minutes after the previous batch was
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# scheduled. This smears out the load over time, instead of immediately
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# scheduling a million jobs.
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Sidekiq::Client.push_bulk(
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'queue' => 'authorized_projects',
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'args' => user_ids.zip,
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'class' => 'AuthorizedProjectsWorker',
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'at' => start.to_i
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)
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start += 5.minutes
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end
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end
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def down
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end
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end
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