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https://issues.apache.org/jira/browse/HIVE-23468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115912#comment-17115912
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Hive QA commented on HIVE-23468:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/13003904/HIVE-23468.3.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 17283 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniDruidKafkaCliDriver.testCliDriver[druidkafkamini_delimited]
(batchId=227)
org.apache.hive.minikdc.TestHs2HooksWithMiniKdc.testHookContexts (batchId=237)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/22602/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/22602/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-22602/
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: 2 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 13003904 - PreCommit-HIVE-Build
> LLAP: Optimise OrcEncodedDataReader to avoid FS init to NN
> ----------------------------------------------------------
>
> Key: HIVE-23468
> URL: https://issues.apache.org/jira/browse/HIVE-23468
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-23468.1.patch, HIVE-23468.2.patch,
> HIVE-23468.3.patch
>
>
> OrcEncodedDataReader materializes the supplier<fs> to check if it is a HDFS
> system or not. This causes unwanted call to NN even in cases when cache is
> completely warmed up.
> [https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/io/encoded/OrcEncodedDataReader.java#L540]
> [https://github.com/apache/hive/blob/9f40d7cc1d889aa3079f3f494cf810fabe326e44/ql/src/java/org/apache/hadoop/hive/ql/io/HdfsUtils.java#L107]
> Workaround is to set "hive.llap.io.use.fileid.path=false" to avoid this case.
> IO elevator could get 100% cache hit from FileSystem impl in warmed up
> scenario.
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