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Posted to issues@hive.apache.org by "anishek (JIRA)" <ji...@apache.org> on 2017/06/09 05:52:18 UTC

[jira] [Assigned] (HIVE-16865) Handle replication bootstrap of large databases

     [ https://issues.apache.org/jira/browse/HIVE-16865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

anishek reassigned HIVE-16865:
------------------------------


> Handle replication bootstrap of large databases
> -----------------------------------------------
>
>                 Key: HIVE-16865
>                 URL: https://issues.apache.org/jira/browse/HIVE-16865
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: anishek
>            Assignee: anishek
>             Fix For: 3.0.0
>
>
> for larger databases make sure that we can handle replication bootstrap.
> * Assuming large database can have close to million tables or a few tables with few hundred thousand partitions. 
> *  for function replication if a primary warehouse has large number of custom functions defined such that the same binary file in corporates most of these functions then on the replica warehouse there might be a problem in loading all these functions as we will have the same jar on primary copied over for each function such that each function will have a local copy of the jar, loading all these jars might lead to excessive memory usage. 
>  



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