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Bump magic IDs, to distinguish old file format from new

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This commit is contained in:
Heikki Linnakangas
2022-03-18 11:51:52 +02:00
parent 12141523f6
commit 35584f7242
2 changed files with 4 additions and 4 deletions
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2
pageserver/src/layered_repository/delta_layer.rs
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@@ -62,7 +62,7 @@ use zenith_utils::bin_ser::BeSer;
use zenith_utils::lsn::Lsn;
// Magic constant to identify a Zenith delta file
pub const DELTA_FILE_MAGIC: u32 = 0x5A616E01;
pub const DELTA_FILE_MAGIC: u32 = 0x5A616E11;
/// Mapping from (key, lsn) -> page/WAL record
/// byte ranges in VALUES_CHAPTER

6
pageserver/src/layered_repository/image_layer.rs
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@@ -44,8 +44,7 @@ use zenith_utils::bin_ser::BeSer;
use zenith_utils::lsn::Lsn;
// Magic constant to identify a Zenith image layer file
// FIXME: bump all magics
pub const IMAGE_FILE_MAGIC: u32 = 0x5A616E01 + 1;
pub const IMAGE_FILE_MAGIC: u32 = 0x5A616E11 + 1;
/// Mapping from (key, lsn) -> page/WAL record
/// byte ranges in VALUES_CHAPTER
@@ -101,7 +100,8 @@ pub struct ImageLayerInner {
/// If false, the 'index' has not been loaded into memory yet.
loaded: bool,
/// If None, the 'image_type' has not been loaded into memory yet. FIXME
/// The underlying (virtual) file handle. None if the layer hasn't been loaded
/// yet.
book: Option<Book<VirtualFile>>,
/// offset of each value