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Posted to dev@hive.apache.org by "anishek (JIRA)" <ji...@apache.org> on 2018/01/17 09:06:00 UTC

[jira] [Created] (HIVE-18467) support whole warehouse dump / load + create/drop database events

anishek created HIVE-18467:
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             Summary: support whole warehouse dump / load + create/drop database events
                 Key: HIVE-18467
                 URL: https://issues.apache.org/jira/browse/HIVE-18467
             Project: Hive
          Issue Type: Bug
    Affects Versions: 3.0.0
            Reporter: anishek
            Assignee: anishek
             Fix For: 3.0.0


A complete hive warehouse might be required to replicate to a DR site for certain use cases and rather than allowing only a database name in the REPL DUMP commands, we should allow dumping of all databases using the "*" option as in 

REPL DUMP * 

On the repl  load side there will not be an option to specify the database name when loading from a location used to dump multiple databases, hence only 

_REPL LOAD FROM [location]_ would be supported when dumping via _REPL DUMP *_


Additionally, incremental dumps will go through all events across databases in a warehouse and hence CREATE / DROP Database events have to be serialized correctly to allow repl load to create them correctly. 



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