benchmark of fluent-plugin-parser time_parse cache

bench.rb

#!/usr/bin/env ruby

start = Time.now
`cat access.log.ltsv | fluent-agent-lite accesslog - 127.0.0.1`
puts "elapsed #{(Time.now - start)*1000} ms"

fluentd.conf

<source>
  type forward
</source>

<match accesslog>
  type parser
  tag parsed
  format ltsv
  key_name message
</match>

<match parsed>
  type stdout
</match>

result.txt

$ fluentd -c fluentd.conf > /dev/null &

$ wc -l access.log.ltsv
   10000 access.log.ltsv

$ ruby bench.rb     # plugin-parser 0.3.2
elapsed 8822.374 ms

$ ruby bench.rb     # plugin-parser 0.3.2 + cache
elapsed 2817.758 ms