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Posted to commits@hudi.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2023/06/22 05:45:00 UTC
[jira] [Updated] (HUDI-6416) Completion Markers for handling spark retries
[ https://issues.apache.org/jira/browse/HUDI-6416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HUDI-6416:
---------------------------------
Labels: pull-request-available (was: )
> Completion Markers for handling spark retries
> ---------------------------------------------
>
> Key: HUDI-6416
> URL: https://issues.apache.org/jira/browse/HUDI-6416
> Project: Apache Hudi
> Issue Type: Bug
> Reporter: Balajee Nagasubramaniam
> Priority: Major
> Labels: pull-request-available
>
> During spark stage retries, spark driver may have all the information to reconcile the commit and proceed with next steps, while a stray executor may still be writing to a data file and complete later (before the JVM exit).
> Extra files left on the dataset, excluded from reconcile commit step could show up as data quality issue for query engines with duplicate records.
> This change brings completion markers which tries to prevent the dataset from experiencing data quality issues, in such corner case scenarios.
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