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https://issues.apache.org/jira/browse/HIVE-15178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15676293#comment-15676293
]
Hive QA commented on HIVE-15178:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12839496/HIVE-15178.03.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 10706 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver[hbase_bulk]
(batchId=89)
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.thrift.TestHadoopAuthBridge23.testDelegationTokenSharedStore
(batchId=216)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2186/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2186/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2186/
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: 5 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12839496 - PreCommit-HIVE-Build
> ORC stripe merge may produce many MR jobs and no merge if split size is small
> -----------------------------------------------------------------------------
>
> Key: HIVE-15178
> URL: https://issues.apache.org/jira/browse/HIVE-15178
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-15178.01.patch, HIVE-15178.03.patch,
> HIVE-15178.03.patch, HIVE-15178.patch
>
>
> orc_createas1
> logs the following:
> {noformat}
> 2016-11-10T13:38:54,366 INFO [LocalJobRunner Map Task Executor #0]
> mapred.MapTask: Processing split:
> Paths:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000001_0:2400+100InputFormatClass:
> org.apache.hadoop.hive.ql.io.orc.OrcFileStripeMergeInputFormat
> 2016-11-10T13:38:54,373 INFO [LocalJobRunner Map Task Executor #0]
> mapred.MapTask: Processing split:
> Paths:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000001_0:2500+100InputFormatClass:
> org.apache.hadoop.hive.ql.io.orc.OrcFileStripeMergeInputFormat
> 2016-11-10T13:38:54,380 INFO [LocalJobRunner Map Task Executor #0]
> mapred.MapTask: Processing split:
> Paths:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000001_0:2600+100InputFormatClass:
> org.apache.hadoop.hive.ql.io.orc.OrcFileStripeMergeInputFormat
> 2016-11-10T13:38:54,387 INFO [LocalJobRunner Map Task Executor #0]
> mapred.MapTask: Processing split:
> Paths:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000001_0:2700+100InputFormatClass:
> org.apache.hadoop.hive.ql.io.orc.OrcFileStripeMergeInputFormat
> ...
> {noformat}
> It tries to merge 2 files, but instead ends up running tons of MR tasks for
> every 100 bytes and produces 2 files again (I assume most tasks don't produce
> the files because the split at a random 100-byte offset is invalid).
> {noformat}
> 2016-11-10T13:38:53,985 INFO [LocalJobRunner Map Task Executor #0]
> OrcFileMergeOperator: Merged stripe from file
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000000_0
> [ offset : 3 length: 2770 row: 500 ]
> 2016-11-10T13:38:53,995 INFO [LocalJobRunner Map Task Executor #0]
> exec.AbstractFileMergeOperator: renamed path
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/_task_tmp.-ext-10002/_tmp.000002_0
> to
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/_tmp.-ext-10002/000002_0
> . File size is 2986
> 2016-11-10T13:38:54,206 INFO [LocalJobRunner Map Task Executor #0]
> OrcFileMergeOperator: Merged stripe from file
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/-ext-10004/000001_0
> [ offset : 3 length: 2770 row: 500 ]
> 2016-11-10T13:38:54,215 INFO [LocalJobRunner Map Task Executor #0]
> exec.AbstractFileMergeOperator: renamed path
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/_task_tmp.-ext-10002/_tmp.000030_0
> to
> pfile:/Users/sergey/git/hivegit2/itests/qtest/target/warehouse/.hive-staging_hive_2016-11-10_13-38-52_334_1323113125332102866-1/_tmp.-ext-10002/000030_0
> . File size is 2986
> {noformat}
> This is because the test sets the max split size to 100. Merge jobs is
> supposed to override that, but that doesn't happen somehow.
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