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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18343) Remove LinkedList from ColumnStatsSemanticAnalyzer.java
Date Tue, 26 Dec 2017 20:55:03 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16304013#comment-16304013
] 

Hive QA commented on HIVE-18343:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12903733/HIVE-18343.1.patch

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

{color:red}ERROR:{color} -1 due to 23 failed/errored test(s), 11542 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[auto_join25] (batchId=72)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[list_bucket_dml_8] (batchId=72)
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.TestMiniLlapLocalCliDriver.testCliDriver[bucketsortoptimize_insert_2]
(batchId=151)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[cbo_rp_lineage2] (batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[hybridgrace_hashjoin_2]
(batchId=156)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=164)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[lineage2] (batchId=163)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[lineage3] (batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid] (batchId=168)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_reduce_groupby_duplicate_cols]
(batchId=158)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[authorization_part] (batchId=93)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[ppd_join5] (batchId=120)
org.apache.hadoop.hive.metastore.TestEmbeddedHiveMetaStore.testTransactionalValidation (batchId=213)
org.apache.hadoop.hive.ql.TestAcidOnTez.testMapJoinOnTez (batchId=222)
org.apache.hadoop.hive.ql.io.TestDruidRecordWriter.testWrite (batchId=253)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints (batchId=225)
org.apache.hive.jdbc.TestSSL.testConnectionMismatch (batchId=231)
org.apache.hive.jdbc.TestSSL.testConnectionWrongCertCN (batchId=231)
org.apache.hive.jdbc.TestSSL.testMetastoreConnectionWrongCertCN (batchId=231)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8382/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8382/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8382/

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: 23 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12903733 - PreCommit-HIVE-Build

> Remove LinkedList from ColumnStatsSemanticAnalyzer.java
> -------------------------------------------------------
>
>                 Key: HIVE-18343
>                 URL: https://issues.apache.org/jira/browse/HIVE-18343
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: BELUGA BEHR
>            Assignee: BELUGA BEHR
>            Priority: Trivial
>         Attachments: HIVE-18343.1.patch
>
>
> Remove {{LinkedList}} in favor of {{ArrayList}} for class {{org.apache.hadoop.hive.ql.parse.ColumnStatsSemanticAnalyzer}}.
> {quote}
> The size, isEmpty, get, set, iterator, and listIterator operations run in constant time.
The add operation runs in amortized constant time, that is, adding n elements requires O\(n\)
time. All of the other operations run in linear time (roughly speaking). *The constant factor
is low compared to that for the LinkedList implementation.*
> {quote}



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