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https://issues.apache.org/jira/browse/HIVE-15964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880125#comment-15880125
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Prasanth Jayachandran commented on HIVE-15964:
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One minor suggestion. These counters can be flaky when the test gets batched
together with other tests (hash aggregation, cache eviction etc.). To reduce
the flakiness, 2 suggestions
1) set hive.map.aggr=false
2) set the post hook only for the SELECT queries. Setting the hook at the top
of the qtest will print counters for all queries including INSERT queries which
we are not really interested
otherwise looks good, +1
> LLAP: Llap IO codepath not getting invoked due to file column id mismatch
> -------------------------------------------------------------------------
>
> Key: HIVE-15964
> URL: https://issues.apache.org/jira/browse/HIVE-15964
> Project: Hive
> Issue Type: Bug
> Components: llap
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-15964.1.patch, HIVE-15964.2.patch,
> HIVE-15964.3.patch
>
>
> LLAP IO codepath is not getting invoked in certain cases when schema
> evolution checks are done. Though "int --> long" (fileType to readerType)
> conversions are allowed, the file type columns are not matched correctly when
> such conversions need to happen.
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