Yingchun Lai has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/14277 )

Change subject: [tools] Set extra-configs by JSON string
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Patch Set 1:

> Patch Set 1:
>
> (1 comment)

Thanks for your info!
Now I try it, and it wokrs roughly speaking. There is a argv rearrangment[1] 
when gflag parse command line, arguments before and after "--" will be swaped, 
e.g.
"kudu table set_extra_config @onebox test_table kudu.table.maintenance_priority 
-- -1" will be rearranged as:
"kudu -1 table set_extra_config @onebox test_table 
kudu.table.maintenance_priority", and this will report
"Invalid argument: unknown command '-1'"
However we can use command:
"kudu -- table set_extra_config @onebox test_table 
kudu.table.maintenance_priority -1" which will be rearanged as:
"kudu table set_extra_config @onebox test_table kudu.table.maintenance_priority 
-1", and it works.

So, I'll abandon this CR.

1. 
https://github.com/gflags/gflags/blob/b051bace27a6ac03fc0cbbeef117fe1d375aca1b/src/gflags.h.in#L341


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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I3cc9a4c54d43bb0e0c67f42a2055b24b6f5f3f01
Gerrit-Change-Number: 14277
Gerrit-PatchSet: 1
Gerrit-Owner: Yingchun Lai <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Yao Xu <[email protected]>
Gerrit-Reviewer: Yingchun Lai <[email protected]>
Gerrit-Comment-Date: Sun, 22 Sep 2019 11:11:09 +0000
Gerrit-HasComments: No

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