Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

1. Many logging libraries support sending logs as emails or as attachments of emails. As a poor man's way of subscribing to errors and warnings (if there's no engineering teams support parsing logs and subscription), you can send a copy of warnings and errors to yourself via email.

References

https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels