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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12682) Reducers in dynamic partitioning job spend a lot of time running hadoop.conf.Configuration.getOverlay
Date Fri, 18 Dec 2015 13:37:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063949#comment-15063949
] 

Hive QA commented on HIVE-12682:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12778337/HIVE-12682.1.patch

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

{color:red}ERROR:{color} -1 due to 22 failed/errored test(s), 9921 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestMiniTezCliDriver-tez_bmj_schema_evolution.q-orc_merge5.q-vectorization_limit.q-and-12-more
- did not produce a TEST-*.xml file
TestMiniTezCliDriver-tez_smb_empty.q-transform_ppr2.q-vector_outer_join5.q-and-12-more - did
not produce a TEST-*.xml file
TestSparkCliDriver-timestamp_lazy.q-bucketsortoptimize_insert_4.q-date_udf.q-and-12-more -
did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_order2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union9
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver_encryption_insert_partition_dynamic
org.apache.hadoop.hive.cli.TestMinimrCliDriver.org.apache.hadoop.hive.cli.TestMinimrCliDriver
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket_many
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket_num_reducers
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.jdbc.TestSSL.testSSLVersion
org.apache.hive.spark.client.TestSparkClient.testAddJarsAndFiles
org.apache.hive.spark.client.TestSparkClient.testCounters
org.apache.hive.spark.client.TestSparkClient.testErrorJob
org.apache.hive.spark.client.TestSparkClient.testJobSubmission
org.apache.hive.spark.client.TestSparkClient.testMetricsCollection
org.apache.hive.spark.client.TestSparkClient.testRemoteClient
org.apache.hive.spark.client.TestSparkClient.testSimpleSparkJob
org.apache.hive.spark.client.TestSparkClient.testSyncRpc
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6394/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6394/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6394/

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: 22 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12778337 - PreCommit-HIVE-TRUNK-Build

> Reducers in dynamic partitioning job spend a lot of time running hadoop.conf.Configuration.getOverlay
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-12682
>                 URL: https://issues.apache.org/jira/browse/HIVE-12682
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.2.1
>            Reporter: Carter Shanklin
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-12682.1.patch, reducer.png
>
>
> I tested this on Hive 1.2.1 but looks like it's still applicable to 2.0.
> I ran this query:
> {code}
> create table flights (
> …
> )
> PARTITIONED BY (Year int)
> CLUSTERED BY (Month)
> SORTED BY (DayofMonth) into 12 buckets
> STORED AS ORC
> TBLPROPERTIES("orc.bloom.filter.columns"="*")
> ;
> {code}
> (Taken from here: https://github.com/t3rmin4t0r/all-airlines-data/blob/master/ddl/orc.sql)
> I profiled just the reduce phase and noticed something odd, the attached graph shows
where time was spent during the reducer phase.
> !reducer.png!
> Problem seems to relate to https://github.com/apache/hive/blob/branch-2.0/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java#L903
> /cc [~gopalv]



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