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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/06/02 18:38:00 UTC
[jira] [Assigned] (SPARK-31894) Introduce UnsafeRow format
validation for streaming state store
[ https://issues.apache.org/jira/browse/SPARK-31894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-31894:
------------------------------------
Assignee: (was: Apache Spark)
> Introduce UnsafeRow format validation for streaming state store
> ---------------------------------------------------------------
>
> Key: SPARK-31894
> URL: https://issues.apache.org/jira/browse/SPARK-31894
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 3.1.0
> Reporter: Yuanjian Li
> Priority: Major
>
> Currently, Structured Streaming directly puts the UnsafeRow into StateStore without any schema validation. It's a dangerous behavior when users reusing the checkpoint file during migration. Any changes or bug fix related to the aggregate function may cause random exceptions, even the wrong answer, e.g SPARK-28067.
> Here we introduce an UnsafeRow format validation for the state store.
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