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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17458) VectorizedOrcAcidRowBatchReader doesn't handle 'original' files
Date Wed, 25 Oct 2017 01:27:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217965#comment-16217965
] 

Hive QA commented on HIVE-17458:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12893811/HIVE-17458.07.patch

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 11320 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[acid_vectorization_original]
(batchId=164)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast] (batchId=156)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_multi] (batchId=110)
org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut (batchId=205)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints (batchId=222)
org.apache.hadoop.hive.ql.parse.authorization.plugin.sqlstd.TestOperation2Privilege.checkHiveOperationTypeMatch
(batchId=270)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/7457/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/7457/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-7457/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12893811 - PreCommit-HIVE-Build

> VectorizedOrcAcidRowBatchReader doesn't handle 'original' files
> ---------------------------------------------------------------
>
>                 Key: HIVE-17458
>                 URL: https://issues.apache.org/jira/browse/HIVE-17458
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 2.2.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Critical
>         Attachments: HIVE-17458.01.patch, HIVE-17458.02.patch, HIVE-17458.03.patch, HIVE-17458.04.patch,
HIVE-17458.05.patch, HIVE-17458.06.patch, HIVE-17458.07.patch, HIVE-17458.07.patch
>
>
> VectorizedOrcAcidRowBatchReader will not be used for original files.  This will likely
look like a perf regression when converting a table from non-acid to acid until it runs through
a major compaction.
> With Load Data support, if large files are added via Load Data, the read ops will not
vectorize until major compaction.  
> There is no reason why this should be the case.  Just like OrcRawRecordMerger, VectorizedOrcAcidRowBatchReader
can look at the other files in the logical tranche/bucket and calculate the offset for the
RowBatch of the split.  (Presumably getRecordReader().getRowNumber() works the same in vector
mode).
> In this case we don't even need OrcSplit.isOriginal() - the reader can infer it from
file path... which in particular simplifies OrcInputFormat.determineSplitStrategies()



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