Best `network-compress-threshold` for a small SMP when players have bad connections?

Hiya all!
I'm making a small SMP server for my friends, ~6 people. Some of them have really bad connections, so I was thinking of lowering the

network-compress-threshold

network-compress-threshold

network-compress-threshold

network-compress-threshold so they have a better time. I'm running the server on the OCI Free Tier, so 4 Ampere cores, 16 GiB of RAM.

Is

network-compression-threshold=64

network-compression-threshold=64

network-compression-threshold=64

network-compression-threshold=64 fine? I'm running Paper. Thanks in advance! <3

Admincraft Meta•6/25/24, 10:50 AM

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Requested by mochiiasc#0

•

6/25/24, 10:50 AM

Mmochiiasc Hiya all! I'm making a small SMP server for my friends, ~6 people. Some of them ...

Snow Kit•6/25/24, 11:26 AM

I don't think lowering it will make any of their connections magically work better. I'm also pretty sure that smaller packets aren't frequently sent, but I'm not 100% sure

SSnow Kit I don't think lowering it will make any of their connections magically work bett...

mochiiascOP•6/25/24, 1:14 PM

well, compressing the packets beforehand from the server-side would decrease the bandwidth required, wouldnt it?

mochiiascOP•6/25/24, 1:14 PM

i noticed the default value is 256, but there's no real explanation as to why that specific number

Snow Kit•6/25/24, 1:14 PM

small packets can't compress efficiently

Mmochiiasc i noticed the default value is 256, but there's no real explanation as to why th...

mochiiascOP•6/25/24, 1:14 PM

i'm guessing it's arbitrary...?

Snow Kit•6/25/24, 1:15 PM

iirc small packets also get grouped together into larger packets which will get compressed

Snow Kit•6/25/24, 1:15 PM

although I might be making that up

mochiiascOP•6/25/24, 1:15 PM

wouldn't that increase latency?

mochiiascOP•6/25/24, 1:15 PM

although i think i heard something like that

Mmochiiasc although i think i heard something like that

mochiiascOP•6/25/24, 1:15 PM

QoS...?

Snow Kit•6/25/24, 1:16 PM

no, because minecraft only ticks once every 50ms anyways

Snow Kit•6/25/24, 1:16 PM

some packets are flagged as needing to be sent immediately, some aren't

mochiiascOP•6/25/24, 1:16 PM

i see

mochiiascOP•6/25/24, 1:17 PM

well why is the option exposed in the first place then instead of being a flag to just disable compression entirely (for proxy servers)?

Snow Kit•6/25/24, 1:17 PM

because sometimes it matters more or less

mochiiascOP•6/25/24, 1:17 PM

when i was hosting my smp a year ago i had it set to 64 and it seemed to work fine but i'm not sure if it actually made matters worse

Snow Kit•6/25/24, 1:18 PM

it'll just increase cpu load from my understanding

Snow Kit•6/25/24, 1:18 PM

with no real benefit

mochiiascOP•6/25/24, 1:18 PM

i had a stable 20tps, no real drops from my experience

mochiiascOP•6/25/24, 1:18 PM

i dont think the CPU load is an issue in my case

mochiiascOP•6/25/24, 1:18 PM

its a bit overkill for a server of this magnitude i think haha

Snow Kit•6/25/24, 1:19 PM

most of the bandwidth minecraft uses is sending chunks, which will always have packets that exceed the compression threshold anyways

mochiiascOP•6/25/24, 1:20 PM

hmm... maybe ill set it to 128 then (since the ethernet minimum is 64 iirc)

Snow Kit•6/25/24, 1:20 PM

Realistically, decreasing the view distance would make a bigger difference

mochiiascOP•6/25/24, 1:21 PM

problem is people want farms that would work on vanilla to work (me too, tbh haha)

mochiiascOP•6/25/24, 1:21 PM

^ my friends want both coreprotect AND stuff like zero-tick farms to work so i can't really just use vanilla

mochiiascOP•6/25/24, 1:22 PM

so im afraid decreasing it would have some unforeseen consequences (breaking some AFK-based designs, maybe)

Mmochiiasc ^ my friends want both coreprotect AND stuff like zero-tick farms to work so i c...

Snow Kit•6/25/24, 1:24 PM

I mean, you can just set view distance and simulation distance to the same number

Snow Kit•6/25/24, 1:25 PM

Even though going from 12 to 8 doesn't seem like a big difference, it actually halves the chunks the server sends

Snow Kit•6/25/24, 1:26 PM

Paper's anti-xray can also reduce network load too

SSnow Kit Even though going from 12 to 8 doesn't seem like a big difference, it actually h...

Arthurmeade12•6/25/24, 8:47 PM

What kind of math is that? Or could you explain please

AArthurmeade12 What kind of math is that? Or could you explain please

Snow Kit•6/25/24, 8:47 PM

Area of a circle via a radius

Arthurmeade12•6/25/24, 8:58 PM

So then it's less than half

Arthurmeade12•6/25/24, 8:58 PM

64 pi is less than half of 144 pi. No idea there was such a big difference

Best `network-compress-threshold` for a small SMP when players have bad connections?

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