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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12847) ORC file footer cache should be memory sensitive
Date Thu, 14 Jan 2016 09:00:47 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15097852#comment-15097852
] 

Hive QA commented on HIVE-12847:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12782173/HIVE-12847.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10016 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_union
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.ql.exec.spark.session.TestSparkSessionManagerImpl.testMultiSessionMultipleUse
org.apache.hadoop.hive.ql.exec.spark.session.TestSparkSessionManagerImpl.testSingleSessionMultipleUse
org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler.org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6620/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6620/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6620/

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: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12782173 - PreCommit-HIVE-TRUNK-Build

> ORC file footer cache should be memory sensitive
> ------------------------------------------------
>
>                 Key: HIVE-12847
>                 URL: https://issues.apache.org/jira/browse/HIVE-12847
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats, ORC
>    Affects Versions: 1.2.1
>            Reporter: Nemon Lou
>            Assignee: Nemon Lou
>         Attachments: HIVE-12847.patch
>
>
> The size based footer cache can not control memory usage properly.
> Having seen a HiveServer2 hang due to ORC file footer cache taking up too much heap memory.
> A simple query like "select * from orc_table limit 1" can make HiveServer2 hang.
> The input table has about 1000 ORC files and each ORC file owns about 2500 stripes.
> {noformat}
>  num     #instances         #bytes  class name
> ----------------------------------------------
>    1:     214653601    25758432120  org.apache.hadoop.hive.ql.io.orc.OrcProto$ColumnStatistics
>    3:     122233301     8800797672  org.apache.hadoop.hive.ql.io.orc.OrcProto$StringStatistics
>    5:      89439001     6439608072  org.apache.hadoop.hive.ql.io.orc.OrcProto$IntegerStatistics
>    7:       2981300      262354400  org.apache.hadoop.hive.ql.io.orc.OrcProto$StripeInformation
>    9:       2981300      143102400  org.apache.hadoop.hive.ql.io.orc.OrcProto$StripeStatistics
>   12:       2983691       71608584  org.apache.hadoop.hive.ql.io.orc.ReaderImpl$StripeInformationImpl
>   15:         80929        7121752  org.apache.hadoop.hive.ql.io.orc.OrcProto$Type
>   17:        103282        5783792  org.apache.hadoop.mapreduce.lib.input.FileSplit
>   20:         51641        3305024  org.apache.hadoop.hive.ql.exec.FetchOperator$FetchInputFormatSplit
>   21:         51641        3305024  org.apache.hadoop.hive.ql.io.orc.OrcSplit
>   31:             1         413152  [Lorg.apache.hadoop.hive.ql.exec.FetchOperator$FetchInputFormatSplit;
 
>  100:          1122          26928  org.apache.hadoop.hive.ql.io.orc.Metadata  
> {noformat}



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