debian-mirror-gitlab/lib/gitlab/metrics/subscribers/rails_cache.rb

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2016-06-02 11:05:42 +05:30
module Gitlab
module Metrics
module Subscribers
# Class for tracking the total time spent in Rails cache calls
class RailsCache < ActiveSupport::Subscriber
attach_to :active_support
def cache_read(event)
increment(:cache_read, event.duration)
end
def cache_write(event)
increment(:cache_write, event.duration)
end
def cache_delete(event)
increment(:cache_delete, event.duration)
end
def cache_exist?(event)
increment(:cache_exists, event.duration)
end
def increment(key, duration)
return unless current_transaction
current_transaction.increment(:cache_duration, duration)
current_transaction.increment(:cache_count, 1)
current_transaction.increment("#{key}_duration".to_sym, duration)
current_transaction.increment("#{key}_count".to_sym, 1)
end
private
def current_transaction
Transaction.current
end
end
end
end
end