Faster copy, better get error message

This commit is contained in:
Alex 2022-09-06 22:25:23 +02:00
parent 6b958979bd
commit 907054775d
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE
2 changed files with 7 additions and 9 deletions

View file

@ -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()))
}
}

View file

@ -274,11 +274,11 @@ pub async fn handle_get(
.block_manager
.rpc_get_block_streaming(&hash, Some(order_stream.order(i as u64)))
.await
.unwrap_or_else(|_| {
.unwrap_or_else(|e| {
Box::pin(futures::stream::once(async move {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
"Could not get next block",
format!("Could not get block {}: {}", i, e),
))
}))
})