From f874723e64bd8a2e747bb336e0b6b8f0da1f044a Mon Sep 17 00:00:00 2001
From: Bhasker Hariharan <bhaskerh@google.com>
Date: Wed, 15 Jan 2020 11:17:25 -0800
Subject: Bump SO_SNDBUF for fdbased endpoint used by runsc.
Updates #231
PiperOrigin-RevId: 289897881
---
benchmarks/tcp/tcp_proxy.go | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
(limited to 'benchmarks/tcp')
diff --git a/benchmarks/tcp/tcp_proxy.go b/benchmarks/tcp/tcp_proxy.go
index dc96add66..72ada5700 100644
--- a/benchmarks/tcp/tcp_proxy.go
+++ b/benchmarks/tcp/tcp_proxy.go
@@ -84,8 +84,8 @@ func (netImpl) printStats() {
}
const (
- nicID = 1 // Fixed.
- rcvBufSize = 4 << 20 // 1MB.
+ nicID = 1 // Fixed.
+ bufSize = 4 << 20 // 4MB.
)
type netstackImpl struct {
@@ -125,13 +125,13 @@ func setupNetwork(ifaceName string, numChannels int) (fds []int, err error) {
}
// RAW Sockets by default have a very small SO_RCVBUF of 256KB,
- // up it to at least 1MB to reduce packet drops.
- if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, rcvBufSize); err != nil {
- return nil, fmt.Errorf("setsockopt(..., SO_RCVBUF, %v,..) = %v", rcvBufSize, err)
+ // up it to at least 4MB to reduce packet drops.
+ if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, bufSize); err != nil {
+ return nil, fmt.Errorf("setsockopt(..., SO_RCVBUF, %v,..) = %v", bufSize, err)
}
- if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, rcvBufSize); err != nil {
- return nil, fmt.Errorf("setsockopt(..., SO_RCVBUF, %v,..) = %v", rcvBufSize, err)
+ if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, bufSize); err != nil {
+ return nil, fmt.Errorf("setsockopt(..., SO_SNDBUF, %v,..) = %v", bufSize, err)
}
if !*swgso && *gso != 0 {
--
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