Sean Mackrory created HADOOP-14094:
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Summary: Rethink S3GuardTool options
Key: HADOOP-14094
URL: https://issues.apache.org/jira/browse/HADOOP-14094
Project: Hadoop Common
Issue Type: Sub-task
Reporter: Sean Mackrory
I think we need to rework the S3GuardTool options. A couple of problems I've
observed in the patches I've done on top of that and seeing other developers
trying it out:
* We should probably wrap the current commands in an S3Guard-specific command,
since 'init', 'destroy', etc. don't touch the buckets at all.
* Convert to whole-word options, as the single-letter options are already
getting overloaded. Some patches I've submitted have added functionality where
the obvious flag is already in use (e.g. -r for region, and read throughput, -m
for minutes, and metadatastore uri). I may do this early as part of
HADOOP-14090.
* We have some options that must be in the config in some cases, and can be in
the command in other cases. But I've seen someone try to specify the table name
in the config and leave out the -m option, with no luck. Also, since commands
hard-code table auto-creation, you might have configured table auto-creation,
try to import to a non-existent table, and it tells you table auto-creation is
off.
We need a more consistent policy for how things should get configured that
addresses these problems and future-proofs the command a bit more.
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