> For the complete documentation index, see [llms.txt](https://koojeongyeons-engineering-wiki.gitbook.io/engineering-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://koojeongyeons-engineering-wiki.gitbook.io/engineering-wiki/elk/logstash.md).

# logstash

- [Logstash는 로그를 왜 message라는 field로 저장할까?](https://koojeongyeons-engineering-wiki.gitbook.io/engineering-wiki/elk/logstash/logstash-message-field.md)
- [logstash health check](https://koojeongyeons-engineering-wiki.gitbook.io/engineering-wiki/elk/logstash/logstash-health-check.md)