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https://issues.apache.org/jira/browse/HIVE-15655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15837239#comment-15837239
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Hive QA commented on HIVE-15655:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12849199/HIVE-15655.3.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 10982 tests
executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out)
(batchId=235)
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out)
(batchId=116)
[groupby_map_ppr_multi_distinct.q,vectorization_13.q,mapjoin_mapjoin.q,union2.q,join41.q,groupby8_map.q,cbo_subq_not_in.q,identity_project_remove_skip.q,stats5.q,groupby8_map_skew.q,nullgroup2.q,mapjoin_subquery.q,bucket2.q,smb_mapjoin_1.q,union_remove_8.q]
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys]
(batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[offset_limit_ppd_optimizer]
(batchId=151)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[schema_evol_text_vec_part]
(batchId=149)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainuser_3]
(batchId=93)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3163/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3163/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3163/
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: 6 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12849199 - PreCommit-HIVE-Build
> Optimizer: Allow config option to disable n-way JOIN merging
> -------------------------------------------------------------
>
> Key: HIVE-15655
> URL: https://issues.apache.org/jira/browse/HIVE-15655
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 2.2.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-15655.1.patch, HIVE-15655.2.patch,
> HIVE-15655.2.patch, HIVE-15655.3.patch
>
>
> N-way Joins in Tez produce bad runtime plans whenever they are left-outer
> joins with map-joins.
> This is something which should have a safety setting.
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