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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18206) Merge of RC/ORC file should follow other fileformate which use merge configuration parameter
Date Sun, 03 Dec 2017 17:29:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276009#comment-16276009
] 

Hive QA commented on HIVE-18206:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12900380/HIVE-18206.1.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8092/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8092/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8092/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Tests exited with: ExecutionException: java.util.concurrent.ExecutionException: org.apache.hive.ptest.execution.ssh.SSHExecutionException:
RSyncResult [localFile=/data/hiveptest/logs/PreCommit-HIVE-Build-8092/succeeded/36-TestCliDriver-bool_literal.q-vectorization_limit.q-autoColumnStats_9.q-and-27-more,
remoteFile=/home/hiveptest/35.192.134.28-hiveptest-0/logs/, getExitCode()=255, getException()=null,
getUser()=hiveptest, getHost()=35.192.134.28, getInstance()=0]: 'ssh: connect to host 35.192.134.28
port 22: Connection refused
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.1]
ssh: connect to host 35.192.134.28 port 22: Connection timed out
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.1]
ssh: connect to host 35.192.134.28 port 22: Connection timed out
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.1]
ssh: connect to host 35.192.134.28 port 22: Connection timed out
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.1]
ssh: connect to host 35.192.134.28 port 22: Connection timed out
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(226) [Receiver=3.1.1]
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12900380 - PreCommit-HIVE-Build

> Merge of RC/ORC file should follow other fileformate which use merge configuration parameter
> --------------------------------------------------------------------------------------------
>
>                 Key: HIVE-18206
>                 URL: https://issues.apache.org/jira/browse/HIVE-18206
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 1.2.1, 2.1.1, 2.2.0, 3.0.0
>            Reporter: Wang Haihua
>            Assignee: Wang Haihua
>         Attachments: HIVE-18206.1.patch
>
>
> Merge configuration parameter, like {{hive.merge.size.per.task}} , decide the average
file after merge stage.
> But we found it only work for file format like {{Textfile/SequenceFile}}. With {{RC/ORC}}
file format, it {{does not work}}.
> For {{RC/ORC}} file format we found the file size after merge stage, depends on parameter
like {{mapreduce.input.fileinputformat.split.maxsize}.
> it is better to use {{hive.merge.size.per.task}} to decide the the average file size
for RC/ORC fileformat, which results in unifying.
> Root Cause is for RC/ORC file format, merge class is {{MergeFileTask}} instead of {{MapRedTask}}
for Textfile/SequenceFile. And {{MergeFileTask}}  just has not accept the configuration value
in MergeFileWork, so the solution is passing it into  {{MergeFileTask}}



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