We need to write any Fluentd output plugins to send data to Logstash, or to write any Logstash input plugins to receive data from Fluentd. FYI: there are some plugins for direction of Logstash -> Fluentd: fluent-plugin-beats (fluentd input plugin for Elastic beats protocol) The input {} block is analogous to the block in fluentd, and does the same thing here, but it listens on a different port. Fluent Bit is not as pluggable and flexible as Fluentd, which can be integrated with a much larger amount of input and output sources. This paper […] The efk mentioned in this paper is elasticsearch + fluent + kfka. Fluentd is also an open source data collector that can collect, parse, transform and analyze data and then store it. How to read the Logstash configuration file The first filter {} block first tries to parse the log line with the access log grok pattern. This block is not demonstrated. We’ve seen people build pipelines on top of log shippers like LogStash or Fluentd, but it is usually a long and expensive journey. Preface Because logstash occupies a large amount of memory and its flexibility is not so good, elk is being gradually replaced by efk. An input plugin enables a specific source of events to be read by Logstash. Logstash has a larger footprint, but provides a broad array of input, filter, and output plugins for collecting, enriching, and transforming data from a variety of sources. Fluent-bit vs Fluentd : Fluentd and Fluent Bit projects are both created and sponsored by Treasure Data and they aim to solves the collection, processing and delivery of Logs. Logstash practically accepts inputs from various sources and has more than 50 input plugins which helps the user connect with platforms, databases and applications. Fluentd is an Apache 2.0 Licensed, fully open-source software. AFAIK, there's no way to transport data from Fluentd to Logstash. Fluentd chooses appropriate mode automatically if there are no sections in the configuration. For a list of Elastic supported plugins, please consult the Support Matrix. Logstash is also fully open source under the Apache 2 license. The source code is available on GitHub. Fluentd vs. Logstash: Key Differences Open Source. Treasure Data built, manages, and maintains Fluentd and is part of the CNCF foundation. Output plugins can support all the modes, but may support just one of these modes. Logstash and Fluentd. Could be both in-memory or … Fluentd was designed to handle heavy throughput — aggregating from multiple inputs, processing data and routing to different outputs. Both Fluentd and Logstash are open source. Fluentd: Logstash: Input Routing: Tagging Better for complex routing: Algorithmic Statements Better for Structural or Procedural Programming: Data Transportation: Uses a Buffering System that is highly configurable. My first attempt was to configure fluentd to use the remote_syslog output plugin to send to logstash configured to listen for syslog input. With this setup I could see that fluentd was sending the logs to the logstash, and from the logstash log I could see that logstash was receiving them, but I never saw any logs appearing in kibana. The following input plugins are available below. In fact, K should be used by kibana for the display of logs. ... Logstash practically accepts inputs from various sources and has more than 50 input plugins which help the user connect with platforms, databases, and applications.