RHEL7: How to clamp the snd_cwnd
Issue
- Some commits were added to RHEL7 from the 3.10.0-246.el7 kernel that increased the TCP send congestion window
snd_cwnd
in huge increments as per: https://access.redhat.com/solutions/2918251. - Please be careful with clamping the
snd_cwnd
. If not tuned correctly this setting can severely impede TCP performance.
Environment
- Red hat Enterprise Linux 7
- 3.10.0-246.el7 and above
- TCP
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