Kenneth Knowles created BEAM-3475:
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Summary: Support --verbose and/or --debug options so users don't
have to tweak logging backend for basic output
Key: BEAM-3475
URL: https://issues.apache.org/jira/browse/BEAM-3475
Project: Beam
Issue Type: New Feature
Components: sdk-java-core
Reporter: Kenneth Knowles
A good command line interface uses {{--verbose}} or {{--debug}} to control
verbosity for users and contributors to get more info about what is going on in
the program. Currently IIUC a user has to tweak JUL which is quite a poor
experience and Java-centric rather than a good command line interface. We
should add support for this alongside our other tools (like pipeline options
parsing) for making it easy to build a pipeline {{main()}}.
Note that this is for the construction & submission side / core SDK. Each
runner has its own needs as far as how to control the worker logging, though it
is probably still better to have a general way.
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