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MDEV-35394 Innochecksum misinterprets freed undo pages #3636

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MDEV-35394 Innochecksum misinterprets freed undo pages #3636

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Commits on Nov 15, 2024

  1. MDEV-35394 Innochecksum misinterprets freed undo pages 

    - Innochecksum misinterprets the freed undo log pages
as active one. This leads the user to think there are
too many undo log pages exist.

- Innochecksum can safely assume the undo log page is
freed if the respective extent doesn't belong to a segment
and marked as freed in XDES_BITMAP in extent descriptor page.

- Innochecksum shouldn't assume that zero-filled page as extent
descriptor page.
    @Thirunarayanan
    Thirunarayanan committed Nov 15, 2024
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