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# frozen_string_literal: true
namespace :gitlab do
namespace :uploads do
namespace :legacy do
desc "GitLab | Uploads | Migrate all legacy attachments"
task migrate: :environment do
class Upload < ApplicationRecord
self.table_name = 'uploads'
include ::EachBatch
end
migration = 'LegacyUploadsMigrator'.freeze
batch_size = 5000
delay_interval = 5.minutes.to_i
Upload.where(uploader: 'AttachmentUploader').each_batch(of: batch_size) do |relation, index|
start_id, end_id = relation.pluck('MIN(id), MAX(id)').first
delay = index * delay_interval
BackgroundMigrationWorker.perform_in(delay, migration, [start_id, end_id])
end
end
end
end
end
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