Class: GroongaQueryLog::Command::CheckPerformanceRegression::Checker

Inherits:
Object
  • Object
show all
Defined in:
lib/groonga-query-log/command/check-performance-regression.rb

Instance Method Summary collapse

Constructor Details

#initialize(old_statistics, new_statistics, output, threshold, target_queries) ⇒ Checker

Returns a new instance of Checker.



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# File 'lib/groonga-query-log/command/check-performance-regression.rb', line 319

def initialize(old_statistics,
               new_statistics,
               output,
               threshold,
               target_queries)
  @old_statistics = old_statistics
  @new_statistics = new_statistics
  @output = output
  @threshold = threshold
  @target_queries = target_queries
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/groonga-query-log/command/check-performance-regression.rb', line 331

def check
  old_statistics = filter_statistics(@old_statistics)
  new_statistics = filter_statistics(@new_statistics)
  old_queries = old_statistics.group_by(&:raw_command)
  new_queries = new_statistics.group_by(&:raw_command)

  query_statistics = []
  old_queries.each_key do |query|
    query_statistic = QueryStatistic.new(query,
                                         old_queries[query],
                                         new_queries[query],
                                         @threshold)
    next unless query_statistic.slow?
    query_statistics << query_statistic
  end

  n_slow_queries = 0
  n_target_operations = 0
  n_slow_operations = 0
  query_statistics.sort_by(&:ratio).each do |query_statistic|
    n_slow_queries += 1
    @output.puts(<<-REPORT)
Query: #{query_statistic.query}
  Mean (old): #{format_elapsed_time(query_statistic.old_elapsed_time)}
  Mean (new): #{format_elapsed_time(query_statistic.new_elapsed_time)}
  Diff:       #{format_diff(query_statistic)}
  Operations:
    REPORT
    query_statistic.each_operation_statistic do |operation_statistic|
      n_target_operations += 1
      next unless operation_statistic.slow?

      n_slow_operations += 1
      index = operation_statistic.index
      name = operation_statistic.name
      context = operation_statistic.context
      label = [name, context].compact.join(" ")
      old_elapsed_time = operation_statistic.old_elapsed_time
      new_elapsed_time = operation_statistic.new_elapsed_time
      @output.puts(<<-REPORT)
    Operation[#{index}]: #{label}
      Mean (old): #{format_elapsed_time(old_elapsed_time)}
      Mean (new): #{format_elapsed_time(new_elapsed_time)}
      Diff:       #{format_diff(operation_statistic)}
      REPORT
    end
  end

  n_all_queries = @old_statistics.size
  n_target_queries = old_queries.size
  n_old_cached_queries = count_cached_queries(@old_statistics)
  n_new_cached_queries = count_cached_queries(@new_statistics)
  @output.puts(<<-REPORT)
Summary:
  Slow queries:    #{format_summary(n_slow_queries, n_target_queries)}
  Slow operations: #{format_summary(n_slow_operations, n_target_operations)}
  Caches (old):    #{format_summary(n_old_cached_queries, n_all_queries)}
  Caches (new):    #{format_summary(n_new_cached_queries, n_all_queries)}
  REPORT
  true
end