As described in this article, Beats (Filebeat) is sending Fluentd in a simple log. en-designetwork.hatenablog.com I noticed that the following logs occurred frequently among them. It seems to be a mechanism of Beats' s Metrics monitoring, …

Beats is a lightweight log shipper with a buffer and retransmission function (acknowledgment), and installing it on the server that generates logs makes it easy to analyze logs in Elasticsearch. I usually use Fluentd (td-agent) as the main…