16. Worker
in_tail Fluentd
Server
Web
Server Fluentd Worker
out_forward
Fluentd
out_forward Server
Deriver Worker
Fluentd Fluentd
Web Server Server
Server Fluentd Worker
Deriver Fluentd
Fluentd Server Resque
out_forward Server
(standby) Archive
Web Fluentd
Server Server File
Fluentd
Wacher
Fluentd
Server