[jira] [Commented] (HIVE-17196) CM: ReplCopyTask should retain the original file names even if copied from CM path.

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-17196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162529#comment-16162529 ] 

Hive QA commented on HIVE-17196:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12886514/HIVE-17196.1.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 11036 tests executed
*Failed tests:*
{noformat}
TestAccumuloCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[create_view] (batchId=39)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[insert_values_orig_table_use_metadata] (batchId=61)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=100)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[drop_table_failure2] (batchId=89)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=234)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6777/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6777/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6777/

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: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12886514 - PreCommit-HIVE-Build

> CM: ReplCopyTask should retain the original file names even if copied from CM path.
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-17196
>                 URL: https://issues.apache.org/jira/browse/HIVE-17196
>             Project: Hive
>          Issue Type: Sub-task
>          Components: repl
>    Affects Versions: 2.1.0
>            Reporter: Sankar Hariappan
>            Assignee: Daniel Dai
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17196.1.patch
>
>
> Consider the below scenario,
> 1. Insert into table T1 with value(X).
> 2. Insert into table T1 with value(X).
> 3. Truncate the table T1. 
> – This step backs up 2 files with same content to cmroot which ends up with one file in cmroot as checksum matches.
> 4. Incremental repl with above 3 operations.
> – In this step, both the insert event files will be read from cmroot where copy of one leads to overwrite the other one as the file name is same in cm path (checksum as file name).
> So, this leads to data loss and hence it is necessary to retain the original file names even if we copy from cm path.



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