1、kafka 参考：https://www.elastic.co/guide/en/logstash/current/plugins-inputs-kafka.html 2、hdfs 参考：https://www.elastic.co/guide/en/logstash/5.4/plugins-outputs-webhdfs.html 3、zabbix 参考：https://www.elastic.co/guide/en/logstash/5.4/plugins-outputs-zabbix.html
input插件 https://www.elastic.co/guide/en/logstash/5.4/input-plugins.html output插件 https://www.elastic.co/guide/en/logstash/5.4/output-plugins.html
