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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19927) Last Repl ID set by bootstrap dump is incorrect and may cause data loss if have ACID/MM tables.
Date Thu, 26 Jul 2018 08:04:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558042#comment-16558042
] 

Hive QA commented on HIVE-19927:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12933145/HIVE-19927.03.patch

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

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/12872/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/12872/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-12872/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests exited with: NonZeroExitCodeException
Command 'bash /data/hiveptest/working/scratch/source-prep.sh' failed with exit status 1 and
output '+ date '+%Y-%m-%d %T.%3N'
2018-07-26 08:02:33.008
+ [[ -n /usr/lib/jvm/java-8-openjdk-amd64 ]]
+ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ export PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m '
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m '
+ export 'MAVEN_OPTS=-Xmx1g '
+ MAVEN_OPTS='-Xmx1g '
+ cd /data/hiveptest/working/
+ tee /data/hiveptest/logs/PreCommit-HIVE-Build-12872/source-prep.txt
+ [[ false == \t\r\u\e ]]
+ mkdir -p maven ivy
+ [[ git = \s\v\n ]]
+ [[ git = \g\i\t ]]
+ [[ -z master ]]
+ [[ -d apache-github-source-source ]]
+ [[ ! -d apache-github-source-source/.git ]]
+ [[ ! -d apache-github-source-source ]]
+ date '+%Y-%m-%d %T.%3N'
2018-07-26 08:02:33.010
+ cd apache-github-source-source
+ git fetch origin
+ git reset --hard HEAD
HEAD is now at 2820fc4 HIVE-20203: Arrow SerDe leaks a DirectByteBuffer (Eric Wohlstadter,
reviewed by Teddy Choi)
+ git clean -f -d
Removing standalone-metastore/metastore-server/src/gen/
+ git checkout master
Already on 'master'
Your branch is up-to-date with 'origin/master'.
+ git reset --hard origin/master
HEAD is now at 2820fc4 HIVE-20203: Arrow SerDe leaks a DirectByteBuffer (Eric Wohlstadter,
reviewed by Teddy Choi)
+ git merge --ff-only origin/master
Already up-to-date.
+ date '+%Y-%m-%d %T.%3N'
2018-07-26 08:02:34.163
+ rm -rf ../yetus_PreCommit-HIVE-Build-12872
+ mkdir ../yetus_PreCommit-HIVE-Build-12872
+ git gc
+ cp -R . ../yetus_PreCommit-HIVE-Build-12872
+ mkdir /data/hiveptest/logs/PreCommit-HIVE-Build-12872/yetus
+ patchCommandPath=/data/hiveptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hiveptest/working/scratch/build.patch
+ [[ -f /data/hiveptest/working/scratch/build.patch ]]
+ chmod +x /data/hiveptest/working/scratch/smart-apply-patch.sh
+ /data/hiveptest/working/scratch/smart-apply-patch.sh /data/hiveptest/working/scratch/build.patch
error: a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestReplicationScenariosAcidTables.java:
does not exist in index
error: a/itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestReplicationScenariosAcrossInstances.java:
does not exist in index
error: a/ql/src/java/org/apache/hadoop/hive/ql/Driver.java: does not exist in index
error: a/ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionTask.java: does not exist in index
error: a/ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ReplDumpTask.java: does not exist
in index
error: a/ql/src/java/org/apache/hadoop/hive/ql/parse/ReplicationSemanticAnalyzer.java: does
not exist in index
error: a/ql/src/test/org/apache/hadoop/hive/metastore/txn/TestTxnHandler.java: does not exist
in index
error: a/ql/src/test/org/apache/hadoop/hive/ql/exec/repl/ReplDumpTaskTest.java: does not exist
in index
error: a/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java:
does not exist in index
error: a/standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java:
does not exist in index
error: patch failed: standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java:19
Falling back to three-way merge...
Applied patch to 'standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java'
with conflicts.
Going to apply patch with: git apply -p1
error: patch failed: standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java:19
Falling back to three-way merge...
Applied patch to 'standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java'
with conflicts.
U standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java
+ result=1
+ '[' 1 -ne 0 ']'
+ rm -rf yetus_PreCommit-HIVE-Build-12872
+ exit 1
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12933145 - PreCommit-HIVE-Build

> Last Repl ID set by bootstrap dump is incorrect and may cause data loss if have ACID/MM
tables.
> -----------------------------------------------------------------------------------------------
>
>                 Key: HIVE-19927
>                 URL: https://issues.apache.org/jira/browse/HIVE-19927
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2, Transactions
>    Affects Versions: 3.1.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>            Priority: Major
>              Labels: DR, pull-request-available, replication
>         Attachments: HIVE-19927.01.patch, HIVE-19927.02.patch, HIVE-19927.03.patch
>
>
> During bootstrap dump of ACID tables, let's consider the below sequence.
> - Current session (REPL DUMP), Open txn (Txn1) - Event-10
> - Another session (Session-2), Open txn (Txn2) - Event-11
> - Session-2 -> Insert data (T1.D1) to ACID table. - Event-12
> - Get lastReplId = last event ID logged. (Event-12)
> - Session-2 -> Commit Txn (Txn2) - Event-13
> - Dump ACID tables based on validTxnList based on Txn1. --> This step skips all the
data written by txns > Txn1. So, T1.D1 will be missing.
> - Commit Txn (Txn1)
> - REPL LOAD from bootstrap dump will skip T1.D1.
> - Incremental REPL DUMP will start from Event-13 and hence lose Txn2 which is opened
after Txn1. So, data T1.D1 will be lost for ever.
> Proposed to capture the lastReplId of bootstrap before opening current txn (Txn1) and
store it in Driver context and use it for dump.



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