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[HIVE-7669] parallel order by clause on a string column fails with IOException: Split points are out of order - Hive - [issue]
...The source table has 600 Million rows and it has a String column "l_shipinstruct" which has 4 unique values. (Ie. these 4 values are repeated across the 600 million rows)We are sorting it ba...
http://issues.apache.org/jira/browse/HIVE-7669    Author: Vishal Kamath, 2014-09-01, 20:11
[HIVE-7661] Observed performance issues while sorting using Hive's Parallel Order by clause while retaining pre-existing sort order. - Hive - [issue]
...Improve Hive's sampling logic to accommodate use cases that require to retain the pre existing sort in the underlying source table. In order to support Parallel order by clause, Hive Samples...
http://issues.apache.org/jira/browse/HIVE-7661    Author: Vishal Kamath, 2014-08-11, 21:47
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