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openshift: include network-throughput profile #824

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openshift: include network-throughput profile #824

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4 changes: 4 additions & 0 deletions profiles/network-throughput/tuned.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,10 @@ summary=Optimize for streaming network throughput, generally only necessary on o
include=throughput-performance

[sysctl]
# Sets tcp_notsent_lowat to a value intended to balance throughput and latency while limiting total socket memory usage.
net.ipv4.tcp_notsent_lowat=131072
# Disables slow start after a connection has been idle, allowing immediate maximum throughput upon resuming data transfer.
net.ipv4.tcp_slow_start_after_idle=0
# Increase kernel buffer size maximums. Currently this seems only necessary at 40Gb speeds.
#
# The buffer tuning values below do not account for any potential hugepage allocation.
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6 changes: 1 addition & 5 deletions profiles/openshift/tuned.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@

[main]
summary=Optimize systems running OpenShift (parent profile)
include=${f:virt_check:virtual-guest:throughput-performance}
include=${f:virt_check:virtual-guest:network-throughput}

[selinux]
avc_cache_threshold=8192
Expand All @@ -17,10 +17,6 @@ kernel.pid_max=>4194304
fs.aio-max-nr=>1048576
net.netfilter.nf_conntrack_max=1048576
net.ipv4.conf.all.arp_announce=2
net.ipv4.tcp_notsent_lowat=131072
net.ipv4.tcp_slow_start_after_idle=0
net.ipv4.tcp_rmem="4096 131072 16777216"
net.ipv4.tcp_wmem="4096 16384 16777216"
net.ipv4.neigh.default.gc_thresh1=8192
net.ipv4.neigh.default.gc_thresh2=32768
net.ipv4.neigh.default.gc_thresh3=65536
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