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Feb 13, 2023
72: wal file improvements r=MarinPostma a=MarinPostma
this PR introduces some overall improvements to our custom WAL file format.
- The WAL file header is improved to contain more informartion:
- the database UUID that the log is replicating
- Fields like initial checksum, start_frame_index for log compaction
- a magic number
- Each WAL frame is now preceded by a `WalFrameHeader`, that contains:
- The running checksum of the pages, including the current page.
- The id of the start_frame_index
- the page_no of the of the page contained in the frame
- size_after: 0 on non-commit frame, otherwise, equal to the size (in page), of the database after applying those frames. (passed to and from the `xFrame` call).
- Use of Zerocopy to serialize and deserialize frames
169: proto: encode uuid as string r=MarinPostma a=MarinPostma
191: Revert "Revert "fix db path"" r=MarinPostma a=MarinPostma
Reverts #184
192: .gitignore: ignore the new data directory r=psarna a=psarna
./data.sqld/ directory is runtime-only, so let's ignore it.
Co-authored-by: ad hoc <postma.marin@protonmail.com>
Co-authored-by: Piotr Sarna <sarna@chiselstrike.com>
MarinPostma
added a commit
to tursodatabase/libsql
that referenced
this pull request
Oct 17, 2023
72: wal file improvements r=MarinPostma a=MarinPostma
this PR introduces some overall improvements to our custom WAL file format.
- The WAL file header is improved to contain more informartion:
- the database UUID that the log is replicating
- Fields like initial checksum, start_frame_index for log compaction
- a magic number
- Each WAL frame is now preceded by a `WalFrameHeader`, that contains:
- The running checksum of the pages, including the current page.
- The id of the start_frame_index
- the page_no of the of the page contained in the frame
- size_after: 0 on non-commit frame, otherwise, equal to the size (in page), of the database after applying those frames. (passed to and from the `xFrame` call).
- Use of Zerocopy to serialize and deserialize frames
169: proto: encode uuid as string r=MarinPostma a=MarinPostma
191: Revert "Revert "fix db path"" r=MarinPostma a=MarinPostma
Reverts libsql/sqld#184
192: .gitignore: ignore the new data directory r=psarna a=psarna
./data.sqld/ directory is runtime-only, so let's ignore it.
Co-authored-by: ad hoc <postma.marin@protonmail.com>
Co-authored-by: Piotr Sarna <sarna@chiselstrike.com>
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temporarily revert #164