30 lines
749 B
Ruby
30 lines
749 B
Ruby
# frozen_string_literal: true
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class SchedulePagesMetadataMigration < ActiveRecord::Migration[5.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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BATCH_SIZE = 10_000
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MIGRATION = 'MigratePagesMetadata'
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disable_ddl_transaction!
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class Project < ActiveRecord::Base
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include ::EachBatch
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self.table_name = 'projects'
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end
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def up
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say "Scheduling `#{MIGRATION}` jobs"
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# At the time of writing there are ~10_669_292 records to be inserted for GitLab.com,
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# batches of 10_000 with delay interval of 2 minutes gives us an estimate of close to 36 hours.
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queue_background_migration_jobs_by_range_at_intervals(Project, MIGRATION, 2.minutes, batch_size: BATCH_SIZE)
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end
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def down
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# no-op
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end
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end
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