Yuanjian Li created SPARK-35172:
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Summary: Implementation for 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
The RocksDBCheckpointMetadata persists the metadata for each committed batch in
JSON format. The schema for 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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