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Merge pull request #7 from IceCodeNew/4pr_disable_slow_start_after_idle

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Enable mtu probing
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K4YT3X 2021-10-12 13:17:45 -04:00 committed by GitHub
commit eacf4688a4
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1 changed files with 9 additions and 5 deletions
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sysctl.conf
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@ -215,11 +215,6 @@ net.ipv4.ip_local_port_range = 1024 65535
# - 2: enable timestamps without random offsets # - 2: enable timestamps without random offsets
net.ipv4.tcp_timestamps = 0 net.ipv4.tcp_timestamps = 0
# SSR could impact TCP's performance on a fixed-speed network (e.g., wired)
# but it could be helpful on a variable-speed network (e.g., LTE)
# uncomment this if you are on a fixed-speed network
#net.ipv4.tcp_slow_start_after_idle = 0
# enabling SACK can increase the throughput # enabling SACK can increase the throughput
# but SACK is commonly exploited and rarely used # but SACK is commonly exploited and rarely used
net.ipv4.tcp_sack = 0 net.ipv4.tcp_sack = 0
@ -227,6 +222,15 @@ net.ipv4.tcp_sack = 0
# divide socket buffer evenly between TCP window size and application # divide socket buffer evenly between TCP window size and application
net.ipv4.tcp_adv_win_scale = 1 net.ipv4.tcp_adv_win_scale = 1
# SSR could impact TCP's performance on a fixed-speed network (e.g., wired)
# but it could be helpful on a variable-speed network (e.g., LTE)
# uncomment this if you are on a fixed-speed network
#net.ipv4.tcp_slow_start_after_idle = 0
# enabling MTU probing helps mitigating PMTU blackhole issues
# this may not be desirable on congested networks
#net.ipv4.tcp_mtu_probing = 1
# increase memory thresholds to prevent packet dropping # increase memory thresholds to prevent packet dropping
#net.ipv4.tcp_rmem = 4096 87380 8388608 #net.ipv4.tcp_rmem = 4096 87380 8388608
#net.ipv4.tcp_wmem = 4096 87380 8388608 #net.ipv4.tcp_wmem = 4096 87380 8388608