[jira] [Assigned] (SPARK-56461) Disable File Checksum for Checkpoint Format Version 1

["Anish Shrigondekar (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-56461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anish Shrigondekar reassigned SPARK-56461:
------------------------------------------

    Assignee: Zifei Feng

> Disable File Checksum for Checkpoint Format Version 1
> -----------------------------------------------------
>
>                 Key: SPARK-56461
>                 URL: https://issues.apache.org/jira/browse/SPARK-56461
>             Project: Spark
>          Issue Type: Bug
>          Components: Structured Streaming
>    Affects Versions: 4.1.1
>            Reporter: Zifei Feng
>            Assignee: Zifei Feng
>            Priority: Major
>              Labels: pull-request-available
>
> When using checkpoint format version 1 (STATE_STORE_CHECKPOINT_FORMAT_VERSION = 1), file checksum verification (spark.sql.streaming.checkpoint.fileChecksum.enabled) can query failure during query restart. This is because v1 does not use unique file names per batch attempt — if a batch fails and is retried, the same file name is reused, which can cause the checksum from a previous attempt to mismatch with the file content from the new attempt.



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