[jira] [Updated] (HIVE-14680) retain consistent splits /during/ (as opposed to across) LLAP failures on top of HIVE-14589

["Sergey Shelukhin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-14680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin updated HIVE-14680:
------------------------------------
    Attachment: HIVE-14680.patch

[~prasanth_j] [~gopalv] can you take a look? I need to test this in a cluster, too

> retain consistent splits /during/ (as opposed to across) LLAP failures on top of HIVE-14589
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-14680
>                 URL: https://issues.apache.org/jira/browse/HIVE-14680
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-14680.patch
>
>
> see HIVE-14589.
> Basic idea (spent about 7 minutes thinking about this based on RB comment ;)) is to return locations for all slots to HostAffinitySplitLocationProvider, the missing slots being inactive locations (based solely on the last slot actually present). For the splits mapped to these locations, fall back via different hash functions, or some sort of probing.



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