[jira] [Created] (HDDS-4160) Make verbose mode more user-friendly

["Attila Doroszlai (Jira)" <ji...@apache.org>]

Attila Doroszlai created HDDS-4160:
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             Summary: Make verbose mode more user-friendly
                 Key: HDDS-4160
                 URL: https://issues.apache.org/jira/browse/HDDS-4160
             Project: Hadoop Distributed Data Store
          Issue Type: Improvement
          Components: Ozone CLI
            Reporter: Attila Doroszlai


{{GenericCli}}-based commands have a {{\-\-verbose}} flag, which has two effects:

# some subcommands print additional details
# stack trace is shown in case of exception

I think (1) is more generally useful, while (2) is geared towards developers.  To avoid making {{--verbose}} commands overwhelming for users in case of errors, I propose to split these two effects.

Possible solutions:

# multi-level {{--verbose}} mode (allow specifying {{-v}} more than once to get more details)
# introduce a new flag to enable the stack trace
# only print the stack trace if exception message is not meaningful (eg. empty or {{"null"}})



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