debian-mirror-gitlab/debian/gems-compat/thrift-0.11.0.0/benchmark/benchmark.rb
Sruthi Chandran 1730a38f1c Embed thrift
2019-03-14 13:35:24 +05:30

271 lines
8.5 KiB
Ruby

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
require 'rubygems'
$:.unshift File.dirname(__FILE__) + '/../lib'
require 'thrift'
require 'stringio'
HOST = '127.0.0.1'
PORT = 42587
###############
## Server
###############
class Server
attr_accessor :serverclass
attr_accessor :interpreter
attr_accessor :host
attr_accessor :port
def initialize(opts)
@serverclass = opts.fetch(:class, Thrift::NonblockingServer)
@interpreter = opts.fetch(:interpreter, "ruby")
@host = opts.fetch(:host, ::HOST)
@port = opts.fetch(:port, ::PORT)
end
def start
return if @serverclass == Object
args = (File.basename(@interpreter) == "jruby" ? "-J-server" : "")
@pipe = IO.popen("#{@interpreter} #{args} #{File.dirname(__FILE__)}/server.rb #{@host} #{@port} #{@serverclass.name}", "r+")
Marshal.load(@pipe) # wait until the server has started
sleep 0.4 # give the server time to actually start spawning sockets
end
def shutdown
return unless @pipe
Marshal.dump(:shutdown, @pipe)
begin
@pipe.read(10) # block until the server shuts down
rescue EOFError
end
@pipe.close
@pipe = nil
end
end
class BenchmarkManager
def initialize(opts, server)
@socket = opts.fetch(:socket) do
@host = opts.fetch(:host, 'localhost')
@port = opts.fetch(:port)
nil
end
@num_processes = opts.fetch(:num_processes, 40)
@clients_per_process = opts.fetch(:clients_per_process, 10)
@calls_per_client = opts.fetch(:calls_per_client, 50)
@interpreter = opts.fetch(:interpreter, "ruby")
@server = server
@log_exceptions = opts.fetch(:log_exceptions, false)
end
def run
@pool = []
@benchmark_start = Time.now
puts "Spawning benchmark processes..."
@num_processes.times do
spawn
sleep 0.02 # space out spawns
end
collect_output
@benchmark_end = Time.now # we know the procs are done here
translate_output
analyze_output
report_output
end
def spawn
pipe = IO.popen("#{@interpreter} #{File.dirname(__FILE__)}/client.rb #{"-log-exceptions" if @log_exceptions} #{@host} #{@port} #{@clients_per_process} #{@calls_per_client}")
@pool << pipe
end
def socket_class
if @socket
Thrift::UNIXSocket
else
Thrift::Socket
end
end
def collect_output
puts "Collecting output..."
# read from @pool until all sockets are closed
@buffers = Hash.new { |h,k| h[k] = '' }
until @pool.empty?
rd, = select(@pool)
next if rd.nil?
rd.each do |fd|
begin
@buffers[fd] << fd.readpartial(4096)
rescue EOFError
@pool.delete fd
end
end
end
end
def translate_output
puts "Translating output..."
@output = []
@buffers.each do |fd, buffer|
strio = StringIO.new(buffer)
logs = []
begin
loop do
logs << Marshal.load(strio)
end
rescue EOFError
@output << logs
end
end
end
def analyze_output
puts "Analyzing output..."
call_times = []
client_times = []
connection_failures = []
connection_errors = []
shortest_call = 0
shortest_client = 0
longest_call = 0
longest_client = 0
@output.each do |logs|
cur_call, cur_client = nil
logs.each do |tok, time|
case tok
when :start
cur_client = time
when :call_start
cur_call = time
when :call_end
delta = time - cur_call
call_times << delta
longest_call = delta unless longest_call > delta
shortest_call = delta if shortest_call == 0 or delta < shortest_call
cur_call = nil
when :end
delta = time - cur_client
client_times << delta
longest_client = delta unless longest_client > delta
shortest_client = delta if shortest_client == 0 or delta < shortest_client
cur_client = nil
when :connection_failure
connection_failures << time
when :connection_error
connection_errors << time
end
end
end
@report = {}
@report[:total_calls] = call_times.inject(0.0) { |a,t| a += t }
@report[:avg_calls] = @report[:total_calls] / call_times.size
@report[:total_clients] = client_times.inject(0.0) { |a,t| a += t }
@report[:avg_clients] = @report[:total_clients] / client_times.size
@report[:connection_failures] = connection_failures.size
@report[:connection_errors] = connection_errors.size
@report[:shortest_call] = shortest_call
@report[:shortest_client] = shortest_client
@report[:longest_call] = longest_call
@report[:longest_client] = longest_client
@report[:total_benchmark_time] = @benchmark_end - @benchmark_start
@report[:fastthread] = $".include?('fastthread.bundle')
end
def report_output
fmt = "%.4f seconds"
puts
tabulate "%d",
[["Server class", "%s"], @server.serverclass == Object ? "" : @server.serverclass],
[["Server interpreter", "%s"], @server.interpreter],
[["Client interpreter", "%s"], @interpreter],
[["Socket class", "%s"], socket_class],
["Number of processes", @num_processes],
["Clients per process", @clients_per_process],
["Calls per client", @calls_per_client],
[["Using fastthread", "%s"], @report[:fastthread] ? "yes" : "no"]
puts
failures = (@report[:connection_failures] > 0)
tabulate fmt,
[["Connection failures", "%d", [:red, :bold]], @report[:connection_failures]],
[["Connection errors", "%d", [:red, :bold]], @report[:connection_errors]],
["Average time per call", @report[:avg_calls]],
["Average time per client (%d calls)" % @calls_per_client, @report[:avg_clients]],
["Total time for all calls", @report[:total_calls]],
["Real time for benchmarking", @report[:total_benchmark_time]],
["Shortest call time", @report[:shortest_call]],
["Longest call time", @report[:longest_call]],
["Shortest client time (%d calls)" % @calls_per_client, @report[:shortest_client]],
["Longest client time (%d calls)" % @calls_per_client, @report[:longest_client]]
end
ANSI = {
:reset => 0,
:bold => 1,
:black => 30,
:red => 31,
:green => 32,
:yellow => 33,
:blue => 34,
:magenta => 35,
:cyan => 36,
:white => 37
}
def tabulate(fmt, *labels_and_values)
labels = labels_and_values.map { |l| Array === l ? l.first : l }
label_width = labels.inject(0) { |w,l| l.size > w ? l.size : w }
labels_and_values.each do |(l,v)|
f = fmt
l, f, c = l if Array === l
fmtstr = "%-#{label_width+1}s #{f}"
if STDOUT.tty? and c and v.to_i > 0
fmtstr = "\e[#{[*c].map { |x| ANSI[x] } * ";"}m" + fmtstr + "\e[#{ANSI[:reset]}m"
end
puts fmtstr % [l+":", v]
end
end
end
def resolve_const(const)
const and const.split('::').inject(Object) { |k,c| k.const_get(c) }
end
puts "Starting server..."
args = {}
args[:interpreter] = ENV['THRIFT_SERVER_INTERPRETER'] || ENV['THRIFT_INTERPRETER'] || "ruby"
args[:class] = resolve_const(ENV['THRIFT_SERVER']) || Thrift::NonblockingServer
args[:host] = ENV['THRIFT_HOST'] || HOST
args[:port] = (ENV['THRIFT_PORT'] || PORT).to_i
server = Server.new(args)
server.start
args = {}
args[:host] = ENV['THRIFT_HOST'] || HOST
args[:port] = (ENV['THRIFT_PORT'] || PORT).to_i
args[:num_processes] = (ENV['THRIFT_NUM_PROCESSES'] || 40).to_i
args[:clients_per_process] = (ENV['THRIFT_NUM_CLIENTS'] || 5).to_i
args[:calls_per_client] = (ENV['THRIFT_NUM_CALLS'] || 50).to_i
args[:interpreter] = ENV['THRIFT_CLIENT_INTERPRETER'] || ENV['THRIFT_INTERPRETER'] || "ruby"
args[:log_exceptions] = !!ENV['THRIFT_LOG_EXCEPTIONS']
BenchmarkManager.new(args, server).run
server.shutdown