logstach官网下载：https://www.elastic.co/cn/downloads/past-releases1、查看logstach有没有自带输出到mongo的插件，到logstach安装目录/bin下cd/data/logstash-8.6.2/bin/./logstash-pluginlist--verbose2、没有自带输出到mongo的插件就安装./logstash-plugininsta