diqiu50 commented on code in PR #6280:
URL: https://github.com/apache/gravitino/pull/6280#discussion_r1926493380
##########
clients/filesystem-fuse/src/open_dal_filesystem.rs:
##########
@@ -210,19 +227,44 @@ impl FileReader for FileReaderImpl {
struct FileWriterImpl {
writer: opendal::Writer,
+ buffer: Vec<u8>,
+}
+
+impl FileWriterImpl {
+ fn new(writer: opendal::Writer) -> Self {
+ Self {
+ writer,
+ buffer: Vec::with_capacity(OpenDalFileSystem::WRITE_BUFFER_SIZE +
4096),
+ }
+ }
}
#[async_trait]
impl FileWriter for FileWriterImpl {
async fn write(&mut self, _offset: u64, data: &[u8]) -> Result<u32> {
- self.writer
- .write(data.to_vec())
- .await
- .map_err(opendal_error_to_errno)?;
+ if self.buffer.len() > OpenDalFileSystem::WRITE_BUFFER_SIZE {
+ let mut new_buffer: Vec<u8> =
+ Vec::with_capacity(OpenDalFileSystem::WRITE_BUFFER_SIZE +
4096);
+ new_buffer.append(&mut self.buffer);
Review Comment:
Yes, the `self.buffer` is cleared after the append operation.
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