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bmahler pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new b06deeb58 Added ECN configuration copying from the host to the
container.
b06deeb58 is described below
commit b06deeb58838991cce5035cdafabef8a9c6591b5
Author: Ilya Pronin <[email protected]>
AuthorDate: Mon Dec 11 15:05:31 2017 -0800
Added ECN configuration copying from the host to the container.
The kernel uses default values for these options inside a network
namespace. They need to be set inside the container to match those on
the host.
Review: https://reviewboard.twitter.biz/r/927534
---
src/slave/containerizer/mesos/isolators/network/port_mapping.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
b/src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
index 6f6fa656f..925c2d099 100644
--- a/src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
+++ b/src/slave/containerizer/mesos/isolators/network/port_mapping.cpp
@@ -2116,6 +2116,8 @@ Try<Isolator*> PortMappingIsolatorProcess::create(const
Flags& flags)
// configurations inside a container. Therefore, we need to set them
// in the container to match that on the host.
procs.insert("/proc/sys/net/core/somaxconn");
+ procs.insert("/proc/sys/net/ipv4/tcp_ecn");
+ procs.insert("/proc/sys/net/ipv4/tcp_ecn_fallback");
// As of kernel 3.10, the following configurations are shared
// between host and containers, and therefore are not required to be
