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https://issues.apache.org/jira/browse/SPARK-35172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17326411#comment-17326411
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Apache Spark commented on SPARK-35172:
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User 'xuanyuanking' has created a pull request for this issue:
https://github.com/apache/spark/pull/32272
> The implementation of RocksDBCheckpointMetadata
> -----------------------------------------------
>
> Key: SPARK-35172
> URL: https://issues.apache.org/jira/browse/SPARK-35172
> Project: Spark
> Issue Type: Sub-task
> Components: Structured Streaming
> Affects Versions: 3.2.0
> Reporter: Yuanjian Li
> Priority: Major
>
> The RocksDBCheckpointMetadata persists the metadata for each committed batch
> in JSON format. The object contains all RocksDB file names and the number of
> total keys.
> The metadata binds closely with the directory structure of
> RocksDBFileManager, as described in the design doc - [Directory Structure and
> Format for Files stored in
> DFS|https://docs.google.com/document/d/10wVGaUorgPt4iVe4phunAcjU924fa3-_Kf29-2nxH6Y/edit#heading=h.zgvw85ijoz2]
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