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Commitc61e9c3

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tokio-postgres: buffer sockets to avoid excessive syscalls
The current implementation forwards all read requests to the operatingsystem through the socket causing excessive system calls. The effect ismagnified when the underlying Socket is wrapped around a TLSimplementation.This commit changes the underlying socket to be read-buffered by defaultwith a buffer size of 16K, following the implementation of the officialclient.Signed-off-by: Petros Angelatos <petrosagg@gmail.com>
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‎tokio-postgres/src/socket.rs‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,16 +1,16 @@
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use std::io;
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use std::pin::Pin;
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use std::task::{Context,Poll};
4-
use tokio::io::{AsyncRead,AsyncWrite,ReadBuf};
4+
use tokio::io::{AsyncRead,AsyncWrite,BufReader,ReadBuf};
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use tokio::net::TcpStream;
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#[cfg(unix)]
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use tokio::net::UnixStream;
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#[derive(Debug)]
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enumInner{
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Tcp(TcpStream),
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Tcp(BufReader<TcpStream>),
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#[cfg(unix)]
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Unix(UnixStream),
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Unix(BufReader<UnixStream>),
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}
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/// The standard stream type used by the crate.
@@ -21,12 +21,12 @@ pub struct Socket(Inner);
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implSocket{
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pub(crate)fnnew_tcp(stream:TcpStream) ->Socket{
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Socket(Inner::Tcp(stream))
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Socket(Inner::Tcp(BufReader::with_capacity(16*1024,stream)))
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}
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#[cfg(unix)]
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pub(crate)fnnew_unix(stream:UnixStream) ->Socket{
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Socket(Inner::Unix(stream))
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Socket(Inner::Unix(BufReader::with_capacity(16*1024,stream)))
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}
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}
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