There are no errors in /var/log/ syslog ./elasticsearch/gc.log.0.current ./logstash/logstash-plain.log , and hwm_a does not show up in Create Index Pattern.
I am restarting logstash with systemctl restart logstash each time logstash.conf is changed.
The file input plugin is designed to by default tail the file, so will not process anything unless data is appended to it. You can change this behaviour by setting sincedb_path and start_position parameters as outlined in this blog post.
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