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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14803) S3: Stats gathering for insert queries can be expensive for partitioned dataset
Date Wed, 12 Oct 2016 07:34:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15567924#comment-15567924
] 

Hive QA commented on HIVE-14803:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12829480/HIVE-14803.1.patch

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

{color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 10666 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[join32_lessSize]
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[list_bucket_dml_4]
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd2]
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd_udf_case]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby_map_ppr_multi_distinct]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[groupby_ppr]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[join26]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[join_merge_multi_expressions]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[load_dyn_part8]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[transform_ppr1]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[transform_ppr2]
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[union_ppr]
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/1493/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/1493/console
Test logs: http://ec2-204-236-174-241.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-Build-1493/

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: 12 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12829480 - PreCommit-HIVE-Build

> S3: Stats gathering for insert queries can be expensive for partitioned dataset
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-14803
>                 URL: https://issues.apache.org/jira/browse/HIVE-14803
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>    Affects Versions: 2.1.0
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HIVE-14803.1.patch
>
>
> StatsTask's aggregateStats populates stats details for all partitions by checking the
file sizes which turns out to be expensive when larger number of partitions are inserted.




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