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https://issues.apache.org/jira/browse/HIVE-16329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950097#comment-15950097
]
Hive QA commented on HIVE-16329:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12861318/HIVE-16329.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10540 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[comments] (batchId=35)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr]
(batchId=141)
org.apache.hive.hcatalog.api.TestHCatClient.testTransportFailure (batchId=172)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4474/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4474/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4474/
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: 3 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12861318 - PreCommit-HIVE-Build
> TopN: TopNHash totalFreeMemory computation ignores free memory
> --------------------------------------------------------------
>
> Key: HIVE-16329
> URL: https://issues.apache.org/jira/browse/HIVE-16329
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.2.0, 3.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-16329.1.patch, HIVE-16329.2.patch
>
>
> {code}
> // TODO: For LLAP, assumption is off-heap cache.
> final long memoryUsedPerExecutor =
> (memoryMXBean.getHeapMemoryUsage().getUsed() / numExecutors);
> // this is total free memory available per executor in case of LLAP
> totalFreeMemory = conf.getMaxMemoryAvailable() - memoryUsedPerExecutor;
> {code}
> {code}
> exec.TopNHash: isTez parameters -615768144 = 5312782848 - 71142611912 / 12
> {code}
> This turns off the TopNHash entirely causing something trivial like
> {code}
> select c_custkey, count(1) from customer group by c_custkey limit 10;
> {code}
> To shuffle 30M rows instead of 10.
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