my one friend and I were playing on a new sever of the latest snapshot and were experiencing some odd lag. at first it wasn't too bad, and seemed to only effect certain areas, say, every 10 or so blocks.
the trouble began when we found a village. it wasn't immediate, i had just began working on a cobblestone fence enclosure and my friend had went fishing very close by. suddenly he stopped responding in chat, and then he was killed by a zombie without even fighting back. he then crashed and tried to rejoin, 4 times unsuccessfully. he told me that it kept saying his connection had timed out. i was getting pretty bad lag myself, which was unusual, but didn't crash.
i tried restarting the server and i checked my internet connection. restarting didn't fix the problem and my connection was fine. now we can't play and don't know why and it's very sad.
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Exactly this started happening on our 3 person server yesterday. It only happened to player #3 and since minecraft was playing well from my work, I thought it was internet connection between my home (where the server is) and his place.
Today at my work, I got lag as well as time resetting backwards: log in, wait a minute to load blocks, then move. Intermittently, I'd jump back to where I'd logged in. For my client, I read up about the settings and turned everything down or off. I even installed the latest Oracle Win 7 64 bit Java.
Server is plugged into the router & everything is gigabit... was able to chat ok with home via Google, etc, but I did notice trying ssh/scp copying from home to work was pretty miserable. Maybe the uplink at home sucks? Will keep troubleshooting.
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I checked the world in MCEdit looking to see if Villager entities were spawning in caves or other bad things. All looked normal there.
Did some testing and the uplink at the house wasn't up for serving minecraft. 😞 And we're on the 3rd tier of residential cable modem service, which is supposed to handle 1Mb uplink.
I confirmed by bringing the server to work, where we're on the 4th tier business class cable modem... Monitoring the network on the minecraft server via slurm shows max TX of 189 KB/s. The firewall graph showed occasional outbound traffic spikes approaching 5Mb/s, but it didn't say which host(s) here did that. So my work's throughput should be the fix for our small world.
kumasasa
Is this still a concern in the current Minecraft version 1.8.1 ? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.