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refactor(ecstore): add mmap copy disk read name (#4061)

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This commit is contained in:
Zhengchao An
2026-06-29 21:18:41 +08:00
committed by GitHub
parent 9567e7b3be
commit a7dd9603e9
7 changed files with 53 additions and 30 deletions
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crates/ecstore/src/disk/mod.rs
+14 -8
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@@ -291,10 +291,10 @@ impl DiskAPI for Disk {
}
#[tracing::instrument(skip(self))]
async fn read_file_zero_copy(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<Bytes> {
async fn read_file_mmap_copy(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<Bytes> {
match self {
Disk::Local(local_disk) => local_disk.read_file_zero_copy(volume, path, offset, length).await,
Disk::Remote(remote_disk) => remote_disk.read_file_zero_copy(volume, path, offset, length).await,
Disk::Local(local_disk) => local_disk.read_file_mmap_copy(volume, path, offset, length).await,
Disk::Remote(remote_disk) => remote_disk.read_file_mmap_copy(volume, path, offset, length).await,
}
}
@@ -558,11 +558,17 @@ pub trait DiskAPI: Debug + Send + Sync + 'static {
async fn read_file(&self, volume: &str, path: &str) -> Result<FileReader>;
async fn read_file_stream(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<FileReader>;
/// Zero-copy file read using memory mapping (Unix) or efficient read (non-Unix).
/// Returns Bytes that can be shared without copying.
/// On Unix, this uses mmap for true zero-copy access.
/// On other platforms, falls back to efficient read operations.
async fn read_file_zero_copy(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<Bytes>;
/// File read using mmap-then-copy on Unix or an efficient read on non-Unix.
async fn read_file_mmap_copy(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<Bytes>;
/// Historical name for `read_file_mmap_copy`.
#[deprecated(
since = "1.0.0-beta.8",
note = "use read_file_mmap_copy; this path copies mmap data into owned Bytes"
)]
async fn read_file_zero_copy(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<Bytes> {
self.read_file_mmap_copy(volume, path, offset, length).await
}
async fn append_file(&self, volume: &str, path: &str) -> Result<FileWriter>;
async fn create_file(&self, origvolume: &str, volume: &str, path: &str, file_size: i64) -> Result<FileWriter>;