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pgbackrest/doc/FORMAT.md

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Thoughts on Repository Format 6

Info Format

  • Info format will be JSON. Something like (but without whitespace):
[
    {"pgbackrest":{"format":6,"version":<pgbackrest version>,"repo-id":<base32 * 16>,id:<base32 * 16>}},
    {"content":...},
    {"checksum":<sha(1/256)hash>}
]

Manifest

  • Save all options instead of the piecemeal saves that are done now. These options are for informational purposes only so it would be fine to save them in a KeyValue or JSON blob.

  • Store default sections before file/link/path sections to avoid two passes on load.

  • Format backup labels using gmtime().