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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17006) LLAP: Parquet caching
Date Wed, 26 Jul 2017 23:36:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102468#comment-16102468
] 

Hive QA commented on HIVE-17006:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12879056/HIVE-17006.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 11 failed/errored test(s), 11013 tests executed
*Failed tests:*
{noformat}
TestPerfCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] (batchId=144)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[load_dyn_part5] (batchId=153)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[schemeAuthority] (batchId=169)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_dynamic_partition_pruning]
(batchId=168)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_vectorized_dynamic_partition_pruning]
(batchId=168)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainuser_3] (batchId=99)
org.apache.hadoop.hive.metastore.TestHiveMetaStoreStatsMerge.testStatsMerge (batchId=206)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionRegistrationWithCustomSchema (batchId=179)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionSpecRegistrationWithCustomSchema
(batchId=179)
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation (batchId=179)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6138/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6138/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6138/

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: 11 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12879056 - PreCommit-HIVE-Build

> LLAP: Parquet caching
> ---------------------
>
>                 Key: HIVE-17006
>                 URL: https://issues.apache.org/jira/browse/HIVE-17006
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-17006.patch, HIVE-17006.WIP.patch
>
>
> There are multiple options to do Parquet caching in LLAP:
> 1) Full elevator (too intrusive for now).
> 2) Page based cache like ORC (requires some changes to Parquet or copy-pasted).
> 3) Cache disk data on column chunk level as is.
> Given that Parquet reads at column chunk granularity, (2) is not as useful as for ORC,
but still a good idea. I messaged the dev list about it but didn't get a response, we may
follow up later.
> For now, do (3). 



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