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https://issues.apache.org/jira/browse/HIVE-21439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16793198#comment-16793198
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Hive QA commented on HIVE-21439:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12962499/HIVE-21439.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 15827 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_groupby_reduce]
(batchId=61)
org.apache.hive.hcatalog.mapreduce.TestHCatMutableNonPartitioned.testHCatNonPartitionedTable[6]
(batchId=214)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/16514/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16514/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16514/
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: 2 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12962499 - PreCommit-HIVE-Build
> Provide an option to reduce lookup overhead for bucketed tables
> ---------------------------------------------------------------
>
> Key: HIVE-21439
> URL: https://issues.apache.org/jira/browse/HIVE-21439
> Project: Hive
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Trivial
> Attachments: HIVE-21439.1.patch, HIVE-21439.2.patch
>
>
> If a table is bucketed, `OpTraitsRulesProcFactory::TableScanRule` ends up
> verifying if the partitions have got the same number of files as the number
> of buckets in table.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/metainfo/annotation/OpTraitsRulesProcFactory.java#L185
> In large tables, this turns out to be very time consuming (100s of seconds)
> operation. It would be good to have an option to by pass this depending on
> need basis.
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