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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15789) Vectorization: limit reduce vectorization to 32Mb chunks
Date Wed, 08 Feb 2017 05:43:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857448#comment-15857448
] 

Hive QA commented on HIVE-15789:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12851534/HIVE-15789.2.patch

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

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 10237 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys]
(batchId=159)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=223)
org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver.org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver
(batchId=230)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3430/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3430/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3430/

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: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12851534 - PreCommit-HIVE-Build

> Vectorization: limit reduce vectorization to 32Mb chunks
> --------------------------------------------------------
>
>                 Key: HIVE-15789
>                 URL: https://issues.apache.org/jira/browse/HIVE-15789
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>            Reporter: Gopal V
>            Assignee: Teddy Choi
>         Attachments: HIVE-15789.1.patch, HIVE-15789.2.patch
>
>
> Reduce vectorization accumulates 1024 rows before forwarding it into the reduce processor.
> Add a safety limit for 32Mb of writables, so that shorter sequences can be forwarded
into the operator trees.
> {code}
>         rowIdx++;
>         if (rowIdx >= BATCH_SIZE) {
>           VectorizedBatchUtil.setBatchSize(batch, rowIdx);
>           reducer.process(batch, tag);
> {code}



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