[wspeirs]

>For example, you cannot easily perform the equivalent of the following command: cat /log/file | grep some-string | my-custom-script-for-analysis

You can with log-store[1], as it allows you to run custom Python commands to do _exactly_ this!

[1] https://log-store.com

[valyala]

Thanks for the link to log-store! Very promising solution from the first sight, with the goals similar to VictoriaLogs.