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Tim Hockin
d25aa3cee7
Setting the MTU for loopback has a huge performance impact on intra-container traffic. The loopback interface is not an ethernet interface and does not need the same limit. with this change I see a 4x speedup for loopback throughput. Docker-DCO-1.1-Signed-off-by: Tim Hockin <thockin@google.com> (github: thockin)
24 lines
499 B
Go
24 lines
499 B
Go
// +build linux
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package network
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import (
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"fmt"
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)
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// Loopback is a network strategy that provides a basic loopback device
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type Loopback struct {
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}
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func (l *Loopback) Create(n *Network, nspid int, networkState *NetworkState) error {
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return nil
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}
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func (l *Loopback) Initialize(config *Network, networkState *NetworkState) error {
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// Do not set the MTU on the loopback interface - use the default.
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if err := InterfaceUp("lo"); err != nil {
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return fmt.Errorf("lo up %s", err)
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}
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return nil
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}
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