59 lines
1.4 KiB
Ruby
59 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class ScheduleSyncIssuablesStateId < ActiveRecord::Migration[5.0]
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# This migration schedules the sync of state_id for issues and merge requests
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# which are converting the state column from string to integer.
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# For more information check: https://gitlab.com/gitlab-org/gitlab-foss/issues/51789
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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# 2019-02-12 gitlab.com issuable numbers
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# issues count: 13587305
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# merge requests count: 18925274
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#
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# Using 5000 as batch size and 115 seconds interval will give:
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# 2718 jobs for issues - taking ~86 hours
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# 3786 jobs for merge requests - taking ~120 hours
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#
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BATCH_SIZE = 5000
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DELAY_INTERVAL = 120.seconds.to_i
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ISSUES_MIGRATION = 'SyncIssuesStateId'
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MERGE_REQUESTS_MIGRATION = 'SyncMergeRequestsStateId'
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disable_ddl_transaction!
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class Issue < ActiveRecord::Base
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include EachBatch
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self.table_name = 'issues'
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end
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class MergeRequest < ActiveRecord::Base
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include EachBatch
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self.table_name = 'merge_requests'
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end
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def up
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queue_background_migration_jobs_by_range_at_intervals(
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Issue.all,
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ISSUES_MIGRATION,
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DELAY_INTERVAL,
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batch_size: BATCH_SIZE
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)
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queue_background_migration_jobs_by_range_at_intervals(
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MergeRequest.all,
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MERGE_REQUESTS_MIGRATION,
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DELAY_INTERVAL,
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batch_size: BATCH_SIZE
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)
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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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