openstack
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octavia
Code Issues Proposed changes

Merge "Increase TCP buffer maximum and MTU discovery"

This commit is contained in:
Zuul 2021-10-12 18:00:45 +00:00 committed by Gerrit Code Review
parent 644c6047ea 421eecd1e5
commit 0b84631948
2 changed files with 12 additions and 2 deletions
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9
elements/haproxy-octavia/post-install.d/20-haproxy-tune-kernel
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@ -19,9 +19,14 @@ sysctl-write-value fs.nr_open 2600000
sysctl-write-value net.netfilter.nf_conntrack_tcp_timeout_time_wait 5 || true
sysctl-write-value net.netfilter.nf_conntrack_tcp_timeout_fin_wait 5 || true
# Enable MTU icmp black hole detection (RFC4821)
sysctl-write-value net.ipv4.tcp_mtu_probing 1
sysctl-write-value net.ipv4.tcp_fin_timeout 5
sysctl-write-value net.ipv4.ip_nonlocal_bind 1
sysctl-write-value net.ipv6.ip_nonlocal_bind 1
sysctl-write-value net.ipv4.tcp_rmem "16384 65536 524288"
sysctl-write-value net.ipv4.tcp_wmem "16384 349520 699040"
sysctl-write-value net.core.rmem_max 67108864
sysctl-write-value net.core.wmem_max 67108864
sysctl-write-value net.ipv4.tcp_rmem "4096 87380 33554432"
sysctl-write-value net.ipv4.tcp_wmem "4096 87380 33554432"
sysctl-write-value net.ipv4.ip_local_port_range "1025 65534"

5
releasenotes/notes/Increase-TCP-buffer-memory-max-and-enable-mtu-black-hole-detection.-0640432a7202400f.yaml Normal file
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@ -0,0 +1,5 @@
---
fixes:
- |
Increased the TCP buffer memory maximum and enabled MTU ICMP black hole
detection.