Class: LogStash::PerformanceMeter::Runner
- Inherits:
-
Object
- Object
- LogStash::PerformanceMeter::Runner
- Defined in:
- lib/lsperfm/core/run.rb
Constant Summary collapse
- LOGSTASH_BIN =
File.join("bin", "logstash").freeze
- INITIAL_MESSAGE =
">>> lorem ipsum start".freeze
- LAST_MESSAGE =
">>> lorem ipsum stop".freeze
- REFRESH_COUNT =
100
Instance Attribute Summary collapse
-
#command ⇒ Object
readonly
Returns the value of attribute command.
Class Method Summary collapse
Instance Method Summary collapse
- #feed_input_events(io, events_count, lines, last_message) ⇒ Object
- #feed_input_with(required_events_count, required_run_time, input_lines, i) ⇒ Object
-
#initialize(config, debug = false, logstash_home = Dir.pwd) ⇒ Runner
constructor
A new instance of Runner.
- #run(required_events_count, required_run_time, input_lines) ⇒ Object
Constructor Details
#initialize(config, debug = false, logstash_home = Dir.pwd) ⇒ Runner
Returns a new instance of Runner.
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# File 'lib/lsperfm/core/run.rb', line 21 def initialize(config, debug = false, logstash_home = Dir.pwd) @debug = debug @command = [File.join(logstash_home, LOGSTASH_BIN), "-f", config] end |
Instance Attribute Details
#command ⇒ Object (readonly)
Returns the value of attribute command.
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# File 'lib/lsperfm/core/run.rb', line 19 def command @command end |
Class Method Details
.headers ⇒ Object
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# File 'lib/lsperfm/core/run.rb', line 53 def self.headers ["start time", "elapsed", "events", "avg tps", "best tps", "avg top 20% tps"] end |
.read_input_file(file_path) ⇒ Object
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# File 'lib/lsperfm/core/run.rb', line 65 def self.read_input_file(file_path) IO.readlines(file_path).map(&:chomp) end |
Instance Method Details
#feed_input_events(io, events_count, lines, last_message) ⇒ Object
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# File 'lib/lsperfm/core/run.rb', line 69 def feed_input_events(io, events_count, lines, ) loop_count = (events_count / lines.size).ceil # how many time we send the input file over (1..loop_count).each{lines.each {|line| io.puts(line)}} io.puts() io.flush loop_count * lines.size end |
#feed_input_with(required_events_count, required_run_time, input_lines, i) ⇒ Object
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# File 'lib/lsperfm/core/run.rb', line 57 def feed_input_with(required_events_count, required_run_time, input_lines, i) if required_events_count > 0 feed_input_events(i, [required_events_count, input_lines.size].max, input_lines, LAST_MESSAGE) else feed_input_interval(i, required_run_time, input_lines, LAST_MESSAGE) end end |
#run(required_events_count, required_run_time, input_lines) ⇒ Object
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# File 'lib/lsperfm/core/run.rb', line 26 def run(required_events_count, required_run_time, input_lines) puts("launching #{command.join(" ")} #{required_events_count} #{required_run_time}") if @debug stats = LogStash::PerformanceMeter::Stats.new real_events_count = 0 Open3.popen3(*@command) do |i, o, e| puts("sending initial event") if @debug start_time = Benchmark.realtime do i.puts(INITIAL_MESSAGE) i.flush puts("waiting for initial event") if @debug expect_output(o, /#{INITIAL_MESSAGE}/) end puts("starting output reader thread") if @debug reader = stats.detach_output_reader(o, /#{LAST_MESSAGE}/) puts("starting feeding input") if @debug elapsed = Benchmark.realtime do real_events_count = feed_input_with(required_events_count, required_run_time, input_lines, i) puts("waiting for output reader to complete") if @debug reader.join end { :percentile => percentile(stats.stats, 0.80) , :elapsed => elapsed, :events_count => real_events_count, :start_time => start_time } end end |