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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-17231) ColumnizedDeleteEventRegistry.DeleteReaderValue optimization
Date Fri, 12 Oct 2018 23:16:00 GMT


Hive QA commented on HIVE-17231:

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 15078 tests executed
*Failed tests:*
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testComplexQuery (batchId=252)

Test results:
Console output:
Test logs:

Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed

This message is automatically generated.

ATTACHMENT ID: 12943711 - PreCommit-HIVE-Build

> ColumnizedDeleteEventRegistry.DeleteReaderValue optimization
> ------------------------------------------------------------
>                 Key: HIVE-17231
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Major
>         Attachments: HIVE-17231.01.patch, HIVE-17231.02.patch
>      For unbucketed tables DeleteReaderValue will currently return all delete events.
 Once we trust that
>      the N in bucketN for "base" spit is reliable, all delete events not matching N can
be skipped.
> This is useful to protect against extreme cases where someone runs an update/delete on
a partition that matches 10 billion rows thus generates very many delete events.
> Since HIVE-19890 all acid data files must have bucketid/writerid in the file name match
bucketid/writerid in ROW__ID in the data.
> {{OrcRawRecrodMerger.getDeltaFiles()}} should only return files representing the right

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