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https://issues.apache.org/jira/browse/HIVE-19937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16552113#comment-16552113
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Hive QA commented on HIVE-19937:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12932601/HIVE-19937.5.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), 14675 tests
executed
*Failed tests:*
{noformat}
TestMiniDruidCliDriver - did not produce a TEST-*.xml file (likely timed out)
(batchId=192)
[druidmini_dynamic_partition.q,druidmini_expressions.q,druidmini_test_alter.q,druidmini_test1.q,druidmini_test_insert.q]
org.apache.hadoop.hive.cli.TestMiniDruidCliDriver.testCliDriver[druid_timestamptz]
(batchId=193)
org.apache.hadoop.hive.cli.TestMiniDruidCliDriver.testCliDriver[druidmini_joins]
(batchId=193)
org.apache.hadoop.hive.cli.TestMiniDruidCliDriver.testCliDriver[druidmini_masking]
(batchId=193)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/12780/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/12780/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-12780/
Messages:
{noformat}
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: 4 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12932601 - PreCommit-HIVE-Build
> Intern fields in MapWork on deserialization
> -------------------------------------------
>
> Key: HIVE-19937
> URL: https://issues.apache.org/jira/browse/HIVE-19937
> Project: Hive
> Issue Type: Improvement
> Components: Spark
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Priority: Major
> Attachments: HIVE-19937.1.patch, HIVE-19937.2.patch,
> HIVE-19937.3.patch, HIVE-19937.4.patch, HIVE-19937.5.patch,
> post-patch-report.html, report.html
>
>
> When fixing HIVE-16395, we decided that each new Spark task should clone the
> {{JobConf}} object to prevent any {{ConcurrentModificationException}} from
> being thrown. However, setting this variable comes at a cost of storing a
> duplicate {{JobConf}} object for each Spark task. These objects can take up a
> significant amount of memory, we should intern them so that Spark tasks
> running in the same JVM don't store duplicate copies.
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