yifeim opened a new issue #17727: Storage fallback warning escalation
URL: https://github.com/apache/incubator-mxnet/issues/17727
 
 
   ## Description
   In jupyter notebooks, storage fallback warnings are silently passed to the 
jupyter engine backend. We want to escalate the warnings to user front-end. We 
also want to filter the warnings as exceptions for debugging purposes.
   
   ## References
   - The current logging mechanism silently passes the warning logs to jupyter 
backend: 
https://github.com/apache/incubator-mxnet/blob/master/src/common/utils.h#L487
   - Use a different logging mechanism which allows the errors to show up on 
user front-end: 
https://github.com/apache/incubator-mxnet/blob/master/perl-package/AI-MXNet/lib/AI/MXNet/Gluon/Block.pm#L1041
   - Enable the new logging mechanism with a new environmental variable 
`MXNET_STORAGE_FALLBACK_LOG_VERBOSE=2`.
   - Set the new mechanism as default behavior due to its commonality.

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