43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Database
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module Migrations
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module Observers
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class TransactionDuration < MigrationObserver
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def before
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file_path = File.join(output_dir, "#{observation.version}_#{observation.name}-transaction-duration.json")
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@file = File.open(file_path, 'wb')
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@writer = Oj::StreamWriter.new(@file, {})
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@writer.push_array
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@subscriber = ActiveSupport::Notifications.subscribe('transaction.active_record') do |*args|
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record_sql_event(*args)
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end
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end
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def after
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ActiveSupport::Notifications.unsubscribe(@subscriber)
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@writer.pop_all
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@writer.flush
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@file.close
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end
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def record
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# no-op
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end
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def record_sql_event(_name, started, finished, _unique_id, payload)
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return if payload[:transaction_type] == :fake_transaction
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@writer.push_value({
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start_time: started.iso8601(6),
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end_time: finished.iso8601(6),
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transaction_type: payload[:transaction_type]
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})
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end
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end
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end
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end
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end
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end
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