you can refer to this answer from stackoverflow

On Thu, Mar 31, 2016 at 6:43 PM, أنس الليثي <dev.fanooos@gmail.com> wrote:
The formal definition of flume is "Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data."


Can anyone explain what exactly it means that flume is distributed? 

Best regards