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-rw-r--r--src/api/s3/copy.rs12
1 files changed, 5 insertions, 7 deletions
diff --git a/src/api/s3/copy.rs b/src/api/s3/copy.rs
index 10cf5935..a1a8c9a4 100644
--- a/src/api/s3/copy.rs
+++ b/src/api/s3/copy.rs
@@ -9,6 +9,7 @@ use bytes::Bytes;
use hyper::{Body, Request, Response};
use serde::Serialize;
+use garage_rpc::netapp::bytes_buf::BytesBuf;
use garage_rpc::rpc_helper::OrderTag;
use garage_table::*;
use garage_util::data::*;
@@ -566,7 +567,7 @@ type BlockStreamItem = Result<BlockStreamItemOk, garage_util::error::Error>;
struct Defragmenter<S: Stream<Item = BlockStreamItem>> {
block_size: usize,
block_stream: Pin<Box<stream::Peekable<S>>>,
- buffer: Vec<u8>,
+ buffer: BytesBuf,
hash: Option<Hash>,
}
@@ -575,7 +576,7 @@ impl<S: Stream<Item = BlockStreamItem>> Defragmenter<S> {
Self {
block_size,
block_stream,
- buffer: vec![],
+ buffer: BytesBuf::new(),
hash: None,
}
}
@@ -593,7 +594,7 @@ impl<S: Stream<Item = BlockStreamItem>> Defragmenter<S> {
if self.buffer.is_empty() {
let (next_block, next_block_hash) = self.block_stream.next().await.unwrap()?;
- self.buffer = next_block.to_vec(); // TODO TOO MUCH COPY
+ self.buffer.extend(next_block);
self.hash = next_block_hash;
} else if self.buffer.len() + peeked_next_block.len() > self.block_size {
break;
@@ -604,10 +605,7 @@ impl<S: Stream<Item = BlockStreamItem>> Defragmenter<S> {
}
}
- Ok((
- Bytes::from(std::mem::take(&mut self.buffer)),
- self.hash.take(),
- ))
+ Ok((self.buffer.take_all(), self.hash.take()))
}
}