Class: Munin::RailsDatabaseTime

Inherits:
RailsPlugin show all
Defined in:
lib/munin/plugins/rails_database_time.rb

Instance Attribute Summary

Attributes inherited from RailsPlugin

#after_time, #floor_time, #interval, #log_file, #log_format, #number_of_lines, #request_log_analyzer, #temp_file_name, #temp_folder, #temp_prefix

Attributes inherited from RequestLogAnalyzerPlugin

#debug, #environment, #graph_category, #passenger_memory_stats, #passenger_status

Instance Method Summary collapse

Methods inherited from RailsPlugin

#ensure_configuration, #ensure_log_file, #fetch_or_create_yaml_file, #get_request_log_analyzer_file, #handle_arguments, #parse_request_log_analyzer_data

Methods inherited from RequestLogAnalyzerPlugin

#autoconf, #ensure_configuration, #handle_arguments, #initialize, #require_command, #require_gem, #require_passenger_gem, #require_passenger_memory_stats, #require_passenger_status, #require_request_log_analyzer_gem, #require_tail_command, #require_yaml_gem, #run_command

Constructor Details

This class inherits a constructor from Munin::RequestLogAnalyzerPlugin

Instance Method Details

#config ⇒ Object 



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# File 'lib/munin/plugins/rails_database_time.rb', line 3

def config
  puts <<-CONFIG
graph_category #{graph_category}
graph_title Database time
graph_vlabel Seconds
graph_args --base 1000 -l 0
graph_info The minimum, maximum and average database times - railsdoctors.com

min.label min
max.label max
average.label avg
CONFIG
  exit 0
end

#run ⇒ Object

Gather information



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# File 'lib/munin/plugins/rails_database_time.rb', line 19

def run
  ensure_log_file

  # Initialize values
  max_value = 0
  min_value = 1.0/0.0
  cumulative = 0
  hits = 0
  
  rla = parse_request_log_analyzer_data

  if rla && rla["Database time"]
    rla["Database time"].each do |item|
      max_value = item[1][:max] if item[1][:max] > max_value
      min_value = item[1][:min] if item[1][:min] < min_value
      hits += item[1][:hits]
      cumulative += item[1][:sum]
    end
  else
    hits = 1
    min_value = 0
  end

  # Report in seconds
  puts "max.value #{max_value}"
  puts "min.value #{min_value}"
  puts "average.value #{cumulative / hits.to_f}"
end