[ 
https://issues.apache.org/jira/browse/HIVE-18247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16340088#comment-16340088
 ] 

Hive QA commented on HIVE-18247:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12907546/HIVE-18247.02.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 20 failed/errored test(s), 11654 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[mapjoin_hook] 
(batchId=12)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd_join5] (batchId=35)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_move_tbl]
 (batchId=173)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucket_map_join_tez1]
 (batchId=170)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
 (batchId=165)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid] 
(batchId=169)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast]
 (batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[resourceplan]
 (batchId=163)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] 
(batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vectorization_input_format_excludes]
 (batchId=162)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[authorization_part]
 (batchId=94)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[stats_aggregator_error_1]
 (batchId=94)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[ppd_join5] 
(batchId=121)
org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver.org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver
 (batchId=248)
org.apache.hadoop.hive.ql.io.TestDruidRecordWriter.testWrite (batchId=254)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testExchangePartition 
(batchId=226)
org.apache.hive.beeline.cli.TestHiveCli.testNoErrorDB (batchId=186)
org.apache.hive.jdbc.TestSSL.testConnectionMismatch (batchId=232)
org.apache.hive.jdbc.TestSSL.testConnectionWrongCertCN (batchId=232)
org.apache.hive.jdbc.TestSSL.testMetastoreConnectionWrongCertCN (batchId=232)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8835/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8835/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8835/

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: 20 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12907546 - PreCommit-HIVE-Build

> Use DB auto-increment for indexes
> ---------------------------------
>
>                 Key: HIVE-18247
>                 URL: https://issues.apache.org/jira/browse/HIVE-18247
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive, Metastore
>    Affects Versions: 3.0.0
>            Reporter: Alexander Kolbasov
>            Assignee: Alexander Kolbasov
>            Priority: Major
>              Labels: datanucleus, perfomance
>         Attachments: HIVE-18247.02.patch
>
>
> I initially noticed this problem in Apache Sentry - see SENTRY-1960. Hive has 
> the same issue. DataNucleus uses SEQUENCE table to allocate IDs which 
> requires raw locks on multiple tables during transactions and this creates 
> scalability problems. 
> Instead DN should rely on DB auto-increment mechanisms which are much more 
> scalable.
> See SENTRY-1960 for extra details.



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