Command Line Upgrade
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Configure, Start, and Validate Apache Flume

  1. Replace your configuration after upgrading. Copy /etc/flume/conf from the template to the conf directory in Flume hosts.

  2. By default, Apache Flume does not start running immediately upon installation. To validate your Flume upgrade, replace your default conf/flume.conf with the provided flume.conf file, restart Flume, and see if the data is flowing by examining the destination.

    Use this flume.conf file:

    #1. Name the components on this agent
    a1.sources = r1 
    a1.sinks = k1 
    a1.channels = c1
    #2.Describe/configure the source
    a1.sources.r1.type = seq
    #3. Describe the sink
    a1.sinks.k1.type = file_roll = c1 = /tmp/flume
    #4. Use a channel which buffers events in memory
    a1.channels.c1.type = memory
    #5. Bind the source and sink to the channel
    a1.sources.r1.channels = c1 = c1
  3. After starting Flume, check /tmp/flume to see if there are any files there. The files should contain simple sequential numbers.

  4. After validating, stop Flume and revert changes to flume.conf to prevent your disk from filling up.