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module Gitlab
module Metrics
module Subscribers
# Class for tracking the total query duration of a transaction.
class ActiveRecord < ActiveSupport::Subscriber
include Gitlab::Metrics::Methods
attach_to :active_record
def sql(event)
return unless current_transaction
self.class.gitlab_sql_duration_seconds.observe(current_transaction.labels, event.duration / 1000.0)
current_transaction.increment(:sql_duration, event.duration, false)
current_transaction.increment(:sql_count, 1, false)
end
private
define_histogram :gitlab_sql_duration_seconds do
docstring 'SQL time'
base_labels Transaction::BASE_LABELS
buckets [0.01, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0]
end
def current_transaction
Transaction.current
end
end
end
end
end
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