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Version Checksum Files

Version Checksum Files are auxiliary files that delta writers can optionally emit with every commit, which contain important information about the state of the table as of that version.

Version Checksums can be used to validate the integrity of a delta table.

RecordChecksum abstraction is used to writeChecksumFile.

Delta Transaction Log Protocol Specification

Version Checksums feature is described in Version Checksum File in Delta Transaction Log Protocol Specification.