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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2016/08/31 20:06:20 UTC

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

Sergey Shelukhin created HIVE-14680:
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             Summary: 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


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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