![]() ![]() The different Beats are used as lightweight agents installed on the different servers in your infrastructure for shipping logs or metrics (see diagram below). The first “beat” was Packetbeat, the developers of which joined Elastic back in May 2015, and Filebeat, heralded as the “next-generation Logstash Forwarder,” was introduced soon thereafter. The key differences between the two versions were support for JSON nesting in a message, better handling of back pressure with efficient window-size reduction, and the ability to ack in mid-window.
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