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os/bluestore: Introduce custom format of BlueFS file - WAL
authorPere Diaz Bou <pere-altea@hotmail.com>
Wed, 31 Jul 2024 10:13:06 +0000 (12:13 +0200)
committerAdam Kupczyk <akupczyk@ibm.com>
Fri, 28 Mar 2025 16:05:59 +0000 (16:05 +0000)
commit18968bc07f8cd4d30901dd0b3ee6efdbb04d271e
tree21ca87e5e1478f11e611986058d9291b72a3bd76tree | snapshot
parent4eec7e5b1f4f7a62d865e9c4f30fb1f762cd2b79commit | diff
os/bluestore: Introduce custom format of BlueFS file - WAL

WAL file mode allows to cut by 50% of fdatasync().
For regular files, we independently sync file data and file metadata.
In WAL mode we are able to recover most metadata from file bytestream.
Hence - we only sync file data.

Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
(cherry picked from commit 38519fffc0e196a0b9c83c54a9142d7eade7febb)
Amended-by: Adam Kupczyk
src/common/options/global.yaml.in diff | blob | history
src/include/denc.h diff | blob | history
src/include/encoding.h diff | blob | history
src/os/bluestore/BlueFS.cc diff | blob | history
src/os/bluestore/BlueFS.h diff | blob | history
src/os/bluestore/bluefs_types.cc diff | blob | history
src/os/bluestore/bluefs_types.h diff | blob | history
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