KYLIN-4906 Support query/job server dynamic register and discovery in kylin4

[zhengshengjun]

… kylin4

(cherry picked from commit fa37255)
(cherry picked from commit fa37255)
(cherry picked from commit fa37255)

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Codecov Report

❗ No coverage uploaded for pull request base (kylin-on-parquet-v2@b428f1e). Click here to learn what that means.
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@@                  Coverage Diff                   @@
##             kylin-on-parquet-v2    #1585   +/-   ##
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  Coverage                       ?   24.36%           
  Complexity                     ?     4649           
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  Files                          ?     1145           
  Lines                          ?    65335           
  Branches                       ?     9595           
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  Hits                           ?    15917           
  Misses                         ?    47754           
  Partials                       ?     1664           

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[zhangayqian]

This comment can be deleted. Because kylin4 is removing hbase dependency.

[zhengshengjun]

thanks for reviewing

[zhangayqian]

LGTM

[hit-lacus]

This patch looks to me, will merge. Maybe we should update the offical document about JobScheduler, @zhangayqian could you please add a question and answer in https://cwiki.apache.org/confluence/display/KYLIN/FAQ+Kylin+4.X ?

[hit-lacus]

Approved