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https://issues.apache.org/jira/browse/HIVE-19188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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anishek updated HIVE-19188:
---------------------------
Affects Version/s: 3.0.0
> Replication Resiliency: for listing files for a partition / table
> ------------------------------------------------------------------
>
> Key: HIVE-19188
> URL: https://issues.apache.org/jira/browse/HIVE-19188
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 3.0.0
> Reporter: anishek
> Priority: Major
>
> When for listing files for a partition / table fails during dump we should
> have ability to *retry with wait,* so the whole dump process does not fail.
> additionally the filesystem object used to list the files might have to be
> recreated since only IOException is thrown by the object for various
> operations and we dont know if the internal DFSClient it holds has a broken
> connection due to network error. This has to be done using
> Filesystem.newInstance() since caching of fs object might be enabled.
> currently caching of the filesystem object is depended upon
> * Scheme
> * Authority
> * UGI
> * And a long called unique defaults to 0 unless explicitly provided, which is
> never the case from Hive since we call default constructor which uses 0L by
> default internally.
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