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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15240) Updating/Altering stats in metastore can be expensive in S3
Date Fri, 25 Nov 2016 08:15:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15695224#comment-15695224
] 

Hive QA commented on HIVE-15240:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12840470/HIVE-15240.5.patch

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

{color:red}ERROR:{color} -1 due to 10 failed/errored test(s), 10703 tests executed
*Failed tests:*
{noformat}
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=94)
	[parallel_join1.q,union27.q,union12.q,groupby7_map_multi_single_reducer.q,varchar_join1.q,join7.q,join_reorder4.q,skewjoinopt2.q,bucketsortoptimize_insert_2.q,smb_mapjoin_17.q,script_env_var1.q,groupby7_map.q,groupby3.q,bucketsortoptimize_insert_8.q,union20.q]
TestSparkCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=99)
	[skewjoin_noskew.q,leftsemijoin_mr.q,bucket3.q,skewjoinopt13.q,bucketmapjoin9.q,auto_join15.q,cbo_simple_select.q,ptf.q,join22.q,vectorized_nested_mapjoin.q,sample4.q,union18.q,multi_insert_gby.q,join33.q,join_cond_pushdown_unqual2.q]
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2] (batchId=133)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[join_acid_non_acid] (batchId=150)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=145)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=91)
org.apache.hadoop.hive.metastore.TestRemoteHiveMetaStore.testRenamePartition (batchId=193)
org.apache.hadoop.hive.metastore.TestSetUGIOnBothClientServer.testRenamePartition (batchId=189)
org.apache.hadoop.hive.metastore.TestSetUGIOnOnlyClient.testRenamePartition (batchId=187)
org.apache.hadoop.hive.metastore.TestSetUGIOnOnlyServer.testRenamePartition (batchId=198)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2288/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2288/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2288/

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: 10 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12840470 - PreCommit-HIVE-Build

> Updating/Altering stats in metastore can be expensive in S3
> -----------------------------------------------------------
>
>                 Key: HIVE-15240
>                 URL: https://issues.apache.org/jira/browse/HIVE-15240
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HIVE-15240.1.patch, HIVE-15240.2.patch, HIVE-15240.3.patch, HIVE-15240.5.patch
>
>
> https://github.com/apache/hive/blob/master/metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java#L630
> https://github.com/apache/hive/blob/master/metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java#L367
> If there are 100 partitions, it iterates every partition to determine its location taking
up more than good amount of time.



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