elasticsearch.yml

indices.memory.index_buffer_size: 15%
cluster.name: untergeek
node.name: "NotSony"
discovery.zen.minimum_master_nodes: 2
discovery.zen.ping.timeout: 10s

logstash.conf

input {
  generator {
    type => "generator"
    lines => [
      "This is a crappy way to load test Elasticsearch and Logstash..."
    ]
  }
}

filter { }

output {
  elasticsearch {
    workers => 4
    protocol => "node"
    host => "172.19.73.2"
    cluster => "untergeek"
    index => "generator-%{+YYYY.MM.dd}"
  }
}