39 lines
1.1 KiB
Ruby
39 lines
1.1 KiB
Ruby
module Gitlab
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module Metrics
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module Subscribers
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# Class for tracking the total query duration of a transaction.
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class ActiveRecord < ActiveSupport::Subscriber
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include Gitlab::Metrics::Methods
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attach_to :active_record
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IGNORABLE_SQL = %w{BEGIN COMMIT}.freeze
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def sql(event)
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return unless current_transaction
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payload = event.payload
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return if payload[:name] == 'SCHEMA' || IGNORABLE_SQL.include?(payload[:sql])
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self.class.gitlab_sql_duration_seconds.observe(current_transaction.labels, event.duration / 1000.0)
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current_transaction.increment(:sql_duration, event.duration, false)
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current_transaction.increment(:sql_count, 1, false)
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end
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private
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define_histogram :gitlab_sql_duration_seconds do
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docstring 'SQL time'
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base_labels Transaction::BASE_LABELS
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buckets [0.01, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0]
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end
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def current_transaction
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Transaction.current
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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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