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Module block

Module block 

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Block metadata stored in the footer.

Each block in the data region has an internal BlockMeta entry that records its physical location in the file and compression information. The publicly relevant type here is CodecId, which names the codec used per block.

Enumsยง

ArchivedCodecId
An archived CodecId
CodecId
Identifies which compression codec was used for a block.
CodecIdResolver
The resolver for an archived CodecId