output {
        elasticsearch {
                #cluster => "logstash-cluster"
                host => "10.20.1.226"
#                port => "9300"
                flush_size => "1"
                manage_template => true
#                template => "/opt/logstash/lib/logstash/outputs/elasticsearch/elasticsearch-template.json"
                protocol => "http"
                index => "bro-%{+YYYY.MM.dd}"
        }
}