Classroom Mode Issues
Classroom mode is no longer automatically recognizing my hosted worlds and I have to manually add the IP address to make it work. That's not as big of a problem as the other issue though. I've been having quite a bit of lag with classroom mode when hosting for even just a few students (5-13). The lag gets progressively worse the longer we are using the program. I'll hit "pause" and it'll take about 40 seconds before the program will respond. The students' player icons will either be jumpy or not move at all.
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Hello Ryan,
Thanks for posting. This sounds to be like a performance issue either with the network connection or the machine itself.
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The machine is a fairly new computer that's running the program. Students are using M:EE after school during a time when there is no other traffic on a network that is big enough for a class A school. I believe it is the program itself not being able to handle multiple players on a server.
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This doesn't seem to be resolved. My CPU usage doesn't seem to be affected much on the machine when using both M:EE and Classroom. In order to even pause the screens of my students I have to close Classroom via the task manager, restart it, log in again, and then pause. Rather than dragging a student's icon to teleport them somewhere, it seems to be much faster to just use /teleport in-game.
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I saw this for the first time today, not the 2 days before. The only thing I can think of is, yesterday all WIN10 machines logged in to local account on the LAN, MEE launched awaiting sign-in by students, then I host my world, launch classroom, and give them the join code. This worked fine. Today, scenario reversed - they login to local, sign-in to MEE, then I host and launch classroom - the classroom app lags to the point of inoperable. Must force quit. I will try to replicate next period. Frustrating.
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I'll try doing that order tomorrow to see if it would help with the lag issues.
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No luck. I can't host MEE and run Classroom on the same machine. I've got a hot rod of a docked ThinkPad with dedicated graphics card, plenty of ram, Core i7 on a one room LAN. Both applications open, connected, hosting a world, 22 students connected crashes Classroom every time. Half that amount of kids will work for a while, but the more complex and spread out things get, the slower it goes until freeze. It uses 70-80% CPU/GPU this way. Disconnect them, and system usage drops to 20-30%. Maybe because they're 32 bit apps? I don't know, I was really hoping it would work...
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The order you posted above also doesn't seem to be doing anything to prevent the lag in the classroom program either. I'm not sure how to bump this post or tag Kyle in it.
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Any progress on this that people know of? Work arounds? It is sort of a deal-breaker for my use of Minecraft in the classroom to not be able to have some control over what happens.
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Annoyed at this, I built my own version of classroom mode. I haven't heavily tested it yet as we're on school holidays right now, but any feedback welcome. Some things are a little different. Built in Python, and has a standalone executable for Windows, but not Mac at this point as I haven't got a Mac to build on (the Python code should work fine on a Mac though.
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Thanks Victor, I will try it. It is annoying that this has been an issue for the past 2-3 years and all we get is that "It must be a problem with your network" - I teach computer science and know this isn't the case. Or "Submit a request" which never follows through. It is software that hasn't been updated in years (32 bit) and cannot keep up as the world renders. I gave up on it.
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