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I have been troubleshooting a lag issue I've been experiencing since the last patch. It has made the game 100% unplayable.
The game is fine for the first 30-60 seconds then it seems to go just out of sync and feels like i have 300ping, however i have a steady ping of 30-40.
I've run WinMTR against the servers im connecting to. Seems fine with no packet loss bar the odd 1 packet which can be expected on the internet
Packet caps show a steady flow of udp packets back and forth.p
Then i noticed when going through the different F11 options in Rocket league i seen the one with the graphs showing input buffer
About 40 seconds after joining a game (this was a casual game so it was part way through) if you take a look at the second image there - right at the start of the graph i get a big but quick lag spike, then my Input Buffer is borked for the remainder of the game. This feels like lag - and looks like lag, and rocket league even flashes the Latency Variation Icon a lot of the time. I can actually resolve this partially in game by changing my input buffer type in the game options, but after a bit it will return.
I've used different computers, behind different routers, fully wired. The only common denominator is my Cable modem - a Hitron CODA 4582 with Rogers Internet in Ontario, Canada. The modem is up to date and doesn't seem to be showing any issues ( i even had a tech come to my home and test everything to make sure all the signalling was good)
Something changed with how Psyionix is dealing with lag spike recovery, and its messing with the Input Buffer and making the game unplayable. As you can see in the image the spike was extremely quick but the buffer just never recovers.
PLEASE someone help, i have a feeling alot of people complaining in threads about lag might be having the same issue and not knowing it.
Edit: I checked the release notes of the Modem i metnioned - Hitron Coda 4582 - last patch was December 19th. possible this wasn't applied till more recently as it only gets pushed on a modem reboot.
I've been looking through the Forums for my ISP and i don't see anyone else complaining about rocket league but i mean, its not a super active forum.
Edit2: https://imgur.com/3hq6dFx
This is what my ping plotter looks like when i ping the server i was connected to last. It shows that 1 Large ping i was talking about. once that hits i cannot recover.
Edit3: As mentioned in the comments below - flipping the input buffer method back and forth between STS and CSTS seems to resolve the issue until the next large ping occurs and send me out of sync. heres a video showing exactly what i am talking about https://www.youtube.com/watch?v=wK-wqnq_wpk. Legacy seems to be the worst. Also i found that adjusting my max fps to 120 instead of 144 seems to have helped a bit too. This was recommended by one of these input buffer videos. this syncs the game up with the server tick rate of 120. I am still seeing the issue.
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