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# frozen_string_literal: true
module Gitlab
module Database
module BackgroundMigration
class BatchedJob < ActiveRecord::Base # rubocop:disable Rails/ApplicationRecord
include FromUnion
self.table_name = :batched_background_migration_jobs
MAX_ATTEMPTS = 3
STUCK_JOBS_TIMEOUT = 1.hour.freeze
belongs_to :batched_migration, foreign_key: :batched_background_migration_id
scope :active, -> { where(status: [:pending, :running]) }
scope :stuck, -> { active.where('updated_at <= ?', STUCK_JOBS_TIMEOUT.ago) }
scope :retriable, -> {
failed_jobs = where(status: :failed).where('attempts < ?', MAX_ATTEMPTS)
from_union([failed_jobs, self.stuck])
}
enum status: {
pending: 0,
running: 1,
failed: 2,
succeeded: 3
}
scope :successful_in_execution_order, -> { where.not(finished_at: nil).succeeded.order(:finished_at) }
delegate :aborted?, :job_class, :table_name, :column_name, :job_arguments,
to: :batched_migration, prefix: :migration
attribute :pause_ms, :integer, default: 100
def time_efficiency
return unless succeeded?
return unless finished_at && started_at
duration = finished_at - started_at
# TODO: Switch to individual job interval (prereq: https://gitlab.com/gitlab-org/gitlab/-/issues/328801)
duration.to_f / batched_migration.interval
end
end
end
end
end
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