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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17754) HCat InputJobInfo in Pig UDFContext is heavyweight, and causes OOMs in Tez AMs
Date Wed, 11 Oct 2017 10:25:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16200071#comment-16200071
] 

Hive QA commented on HIVE-17754:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12891349/HIVE-17754.2-branch-2.patch

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

{color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 10652 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[comments] (batchId=35)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[explaindenpendencydiffengs] (batchId=38)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] (batchId=142)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_basic] (batchId=139)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[table_nonprintable] (batchId=140)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[join_acid_non_acid] (batchId=158)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=153)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr] (batchId=144)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[merge_negative_5] (batchId=88)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[explaindenpendencydiffengs] (batchId=115)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[vectorized_ptf] (batchId=125)
org.apache.hive.hcatalog.api.TestHCatClient.testTransportFailure (batchId=176)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/7227/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/7227/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-7227/

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: 12 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12891349 - PreCommit-HIVE-Build

> HCat InputJobInfo in Pig UDFContext is heavyweight, and causes OOMs in Tez AMs
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-17754
>                 URL: https://issues.apache.org/jira/browse/HIVE-17754
>             Project: Hive
>          Issue Type: Bug
>          Components: HCatalog
>    Affects Versions: 2.2.0, 3.0.0
>            Reporter: Mithun Radhakrishnan
>            Assignee: Mithun Radhakrishnan
>         Attachments: HIVE-17754.1.patch, HIVE-17754.2-branch-2.patch, HIVE-17754.2.patch
>
>
> HIVE-9845 dealt with reducing the size of HCat split-info, to improve job-launch times
for Pig/HCat jobs.
> For large Pig queries that scan a large number of Hive partitions, it was found that
the Pig {{UDFContext}} stored full-fat HCat {{InputJobInfo}} objects, thus blowing out the
Pig Tez AM. Since this information is already stored in the {{HCatSplit}}, the serialization
of {{InputJobInfo}} can be spared.



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