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Posted to issues@spark.apache.org by "Yuanjian Li (Jira)" <ji...@apache.org> on 2021/04/21 09:56:00 UTC

[jira] [Updated] (SPARK-35172) The implementation of RocksDBCheckpointMetadata

     [ https://issues.apache.org/jira/browse/SPARK-35172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuanjian Li updated SPARK-35172:
--------------------------------
    Summary: The implementation of RocksDBCheckpointMetadata  (was: Implementation for RocksDBCheckpointMetadata)

> 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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