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Add section for CPU Scaling

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I asked a few people to show what profile their cpu was set to. All 4 of them showed theirs to be in powersave (With hosts from both Hetzner & OVH) and upon switching profile saw a SIGNIFICANT increase in clock speed and decrease in mspt. No other guide mentions this fact and i believe it has a major impact with no downsides.
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BumbleTree
2021-08-02 15:12:41 +01:00
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@@ -457,6 +457,12 @@ If this option is greater that `0`, players above the set y level will be damage
Your garbage collector can be configured to reduce lag spikes caused by big garbage collector tasks. You can find startup flags optimized for minecraft servers [here](https://mcflags.emc.gs/) [`SOG`]. Keep in mind that this recommendation will not work on alternative jvm implementations. Your garbage collector can be configured to reduce lag spikes caused by big garbage collector tasks. You can find startup flags optimized for minecraft servers [here](https://mcflags.emc.gs/) [`SOG`]. Keep in mind that this recommendation will not work on alternative jvm implementations.
# Linux cpu scaling
Hosts such as OVH and Hetzner are known to ship machines running in "PowerSave" mode. This can result in around 25% lower clock speeds and thus vastly lower single threaded performance, leading to less TPS than the cpu is capable of.
On Debian / Ubuntu running `Cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor` will show the cpus performance profile.
Then running `echo "performance" | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor` will set to performance.
# "Too good to be true" plugins # "Too good to be true" plugins
## Plugins removing ground items ## Plugins removing ground items