[
https://issues.apache.org/jira/browse/HIVE-20509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609831#comment-16609831
]
Hive QA commented on HIVE-20509:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12939138/HIVE-20509.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 14932 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.ql.TestTxnCommands.testMergeOnTezEdges (batchId=315)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/13704/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13704/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13704/
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: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12939138 - PreCommit-HIVE-Build
> Plan: fix wasted memory in plans with large partition counts
> ------------------------------------------------------------
>
> Key: HIVE-20509
> URL: https://issues.apache.org/jira/browse/HIVE-20509
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Reporter: Gopal V
> Assignee: Barnabas Maidics
> Priority: Minor
> Labels: newbie
> Attachments: HIVE-20509.patch, after.png, before.png
>
>
> {code}
> public void addPathToAlias(Path path, String newAlias){
> ArrayList<String> aliases = pathToAliases.get(path);
> if (aliases == null) {
> aliases = new ArrayList<>();
> StringInternUtils.internUriStringsInPath(path);
> pathToAliases.put(path, aliases);
> }
> aliases.add(newAlias.intern());
> }
> {code}
> ArrayList::DEFAULT_CAPACITY is 10, so this wastes 500 bytes of memory due to
> the {{new ArrayList<>();}}.
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