Class: GroongaQueryLog::Command::Analyzer::WorkerStatistic

Inherits:
Object
  • Object
show all
Defined in:
lib/groonga-query-log/command/analyzer/worker-statistic.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id) ⇒ WorkerStatistic

Returns a new instance of WorkerStatistic.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 28

def initialize(id)
  @id = id
  @idle_time_total = 0.0
  @idle_time_mean = 0.0
  @idle_time_min = 0.0
  @idle_time_max = 0.0
  @n_statistics = 0
  @metrics = {
    timestamp: [],
    idle_time: [],
    elapsed: [],
  }
  @previous_statistic = nil
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 21

def id
  @id
end

#idle_time_max ⇒ Object (readonly)

Returns the value of attribute idle_time_max.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 25

def idle_time_max
  @idle_time_max
end

#idle_time_mean ⇒ Object (readonly)

Returns the value of attribute idle_time_mean.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 23

def idle_time_mean
  @idle_time_mean
end

#idle_time_min ⇒ Object (readonly)

Returns the value of attribute idle_time_min.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 24

def idle_time_min
  @idle_time_min
end

#idle_time_total ⇒ Object (readonly)

Returns the value of attribute idle_time_total.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 22

def idle_time_total
  @idle_time_total
end

#metrics ⇒ Object (readonly)

Returns the value of attribute metrics.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 27

def metrics
  @metrics
end

#n_statistics ⇒ Object (readonly)

Returns the value of attribute n_statistics.



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 26

def n_statistics
  @n_statistics
end

Instance Method Details

#<<(statistic) ⇒ Object 



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# File 'lib/groonga-query-log/command/analyzer/worker-statistic.rb', line 43

def <<(statistic)
  @n_statistics += 1
  if @previous_statistic
    idle_time = statistic.start_time - @previous_statistic.end_time
    @idle_time_total += idle_time
    @idle_time_mean += ((idle_time - @idle_time_mean) / @n_statistics)
    if @idle_time_min.zero?
      @idle_time_min = idle_time
    else
      @idle_time_min = [@idle_time_min, idle_time].min
    end
    @idle_time_max = [@idle_time_max, idle_time].max
    @metrics[:timestamp] << statistic.start_time
    @metrics[:idle_time] << idle_time
    @metrics[:elapsed] << statistic.elapsed_in_seconds
  end
  @previous_statistic = statistic
end