Filter input data from Filebeat using logstash?

Elastic Stack Logstash
2

Hi,

One way of filtering out unnecessary fields from events in logstash is by using the drop/remove field filter.

This field will remove those fields and only the remaining fields will be mapped or stored in Elasticsearch.

    filter {
      drop {
        remove_field => [ "foo_%{somefield}" ]
      }
    }

You can refer the below doc if you need additional information.

Thanks,
Asish