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https://issues.apache.org/jira/browse/HIVE-15881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15867321#comment-15867321
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Hive QA commented on HIVE-15881:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12852686/HIVE-15881.1.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 10238 tests
executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out)
(batchId=235)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cbo_rp_auto_join1]
(batchId=3)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[join31] (batchId=81)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys]
(batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[multiMapJoin2]
(batchId=152)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14]
(batchId=223)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23]
(batchId=223)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[join31]
(batchId=133)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3558/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3558/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3558/
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: 8 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12852686 - PreCommit-HIVE-Build
> Use new thread count variable name instead of mapred.dfsclient.parallelism.max
> ------------------------------------------------------------------------------
>
> Key: HIVE-15881
> URL: https://issues.apache.org/jira/browse/HIVE-15881
> Project: Hive
> Issue Type: Task
> Components: Query Planning
> Reporter: Sergio Peña
> Assignee: Sergio Peña
> Priority: Minor
> Attachments: HIVE-15881.1.patch
>
>
> The Utilities class has two methods, {{getInputSummary}} and
> {{getInputPaths}}, that use the variable {{mapred.dfsclient.parallelism.max}}
> to get the summary of a list of input locations in parallel. These methods
> are Hive related, but the variable name does not look it is specific for Hive.
> Also, the above variable is not on HiveConf nor used anywhere else. I just
> found a reference on the Hadoop MR1 code.
> I'd like to propose the deprecation of {{mapred.dfsclient.parallelism.max}},
> and use a different variable name, such as
> {{hive.get.input.listing.num.threads}}, that reflects the intention of the
> variable. The removal of the old variable might happen on Hive 3.x
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