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https://issues.apache.org/jira/browse/HIVE-17341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16141477#comment-16141477
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Hive QA commented on HIVE-17341:
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12883636/HIVE-17341.01.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 11000 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_vectorized_dynamic_partition_pruning]
(batchId=169)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14]
(batchId=235)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23]
(batchId=235)
org.apache.hive.jdbc.TestJdbcWithMiniHS2.testHttpRetryOnServerIdleTimeout
(batchId=228)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6536/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6536/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6536/
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: 4 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12883636 - PreCommit-HIVE-Build
> DbTxnManger.startHeartbeat() - randomize initial delay
> --
>
> Key: HIVE-17341
> URL: https://issues.apache.org/jira/browse/HIVE-17341
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
>Reporter: Eugene Koifman
>Assignee: Eugene Koifman
> Attachments: HIVE-17341.01.patch
>
>
> This sets up a fixed delay for all heartebeats. If many queries land on the
> server at the same time,
> they will wake up and start hearbeating at the same time causing a bottleneck.
> Add some random element to heatbeat delay.
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