diff options
| author | Bhasker Hariharan <bhaskerh@google.com> | 2020-01-15 11:17:25 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-01-15 11:19:06 -0800 |
| commit | f874723e64bd8a2e747bb336e0b6b8f0da1f044a (patch) | |
| tree | 89ffdd38a448565d7b86184e8232f89455f143b7 /benchmarks/tcp | |
| parent | ff78a721700f8b7d3c8dae14fc14c04f3a82b970 (diff) | |
Bump SO_SNDBUF for fdbased endpoint used by runsc.
Updates #231
PiperOrigin-RevId: 289897881
Diffstat (limited to 'benchmarks/tcp')
| -rw-r--r-- | benchmarks/tcp/tcp_proxy.go | 14 |
1 files changed, 7 insertions, 7 deletions
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 { |