/
logging.rb
74 lines (58 loc) · 1.27 KB
/
logging.rb
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# frozen_string_literal: true
# Run with
#
# $ ruby -Ilib benchmarking/logging.rb
#
begin
require "bench"
rescue LoadError
warn "`gem install bench` and try again."
exit 1
end
require "redis"
require "logger"
def log(level, namespace = nil)
logger = (namespace || Kernel).const_get(:Logger).new("/dev/null")
logger.level = (namespace || Logger).const_get(level)
logger
end
def stress(redis)
redis.flushdb
n = (ARGV.shift || 2000).to_i
n.times do |i|
key = "foo:#{i}"
redis.set key, i
redis.get key
end
end
default = Redis.new
logging_redises = [
Redis.new(logger: log(:DEBUG)),
Redis.new(logger: log(:INFO))
]
begin
require "log4r"
logging_redises += [
Redis.new(logger: log(:DEBUG, Log4r)),
Redis.new(logger: log(:INFO, Log4r))
]
rescue LoadError
warn "Log4r not installed. `gem install log4r` if you want to compare it against Ruby's " \
"Logger (spoiler: it's much faster)."
end
benchmark "Default options (no logger)" do
stress(default)
end
logging_redises.each do |redis|
logger = redis._client.logger
case logger
when Logger
level = Logger::SEV_LABEL[logger.level]
when Log4r::Logger
level = logger.levels[logger.level]
end
benchmark "#{logger.class} on #{level}" do
stress(redis)
end
end
run 10