## built-in TCP input ## $ echo <json> | fluent-cat <tag> <source> type tail path /var/log/supervisor/plack/access.txt pos_file /tmp/pos.txt tag app_server format /^(?<unixtime>.+)\t(?<path>.+)\t(?<agent>.+)\t(?<input>.+)\t(?<output>.+)\t(?<method>.+)$/ </source> <match **> type mongo database proje…</match></tag></json>