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https://issues.apache.org/jira/browse/HIVE-22583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16990385#comment-16990385
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Hive QA commented on HIVE-22583:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12987578/HIVE-22583.0.patch
{color:red}ERROR:{color} -1 due to build exiting with an error
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/19788/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/19788/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-19788/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL
https://issues.apache.org/jira/secure/attachment/12987578/HIVE-22583.0.patch
was found in seen patch url's cache and a test was probably run already on it.
Aborting...
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12987578 - PreCommit-HIVE-Build
> LLAP cache always misses with non-vectorized serde readers such as OpenCSV
> --------------------------------------------------------------------------
>
> Key: HIVE-22583
> URL: https://issues.apache.org/jira/browse/HIVE-22583
> Project: Hive
> Issue Type: Bug
> Components: llap
> Reporter: Ádám Szita
> Assignee: Ádám Szita
> Priority: Major
> Attachments: HIVE-22583.0.patch
>
>
> Although after the first read LLAP cache stores data of tables that are not
> using the LazySimple serde, the stored data is then never used in the future
> subsequent queries, causing a full cache miss and re-read each time.
> Problem is rooted in SerdeEncodedDataReader#cacheFileData is not taking care
> of creating an entry for the root/struct column of the table. The only cases
> this is taken care of are when a vectorized reader is used _(e.g.
> LazySimpleSerde's LazySimpleDeserializeRead)_, where
> SerdeEncodedDataReader#processAsyncCacheData takes care of this.
> This can be reproduced by either using a custom serde, like OpenCSV or using
> LazySimpleSerde, but turning off _hive.llap.io.encode.vector.serde.enabled_.
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