Logstash Reference [7.16] ยป Logstash Introduction. ... Logstash is an open source data collection engine with real-time pipelining capabilities. Logstash can dynamically unify data from disparate sources and normalize the data into destinations of your choice. Cleanse and democratize all your data for diverse advanced downstream analytics and ... See the Running Logstash document for managing Logstash as a system service. Installing Logstash on macOS with Homebrewedit. Elastic publishes Homebrew formulae so you can install Logstash with the Homebrew package manager. To install with Homebrew, you first need to tap the Elastic Homebrew repository: