Slow terrain generation

Discussion in 'Bukkit Help' started by waflija, Dec 17, 2011.

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  1. Offline

    waflija

    Hi,

    I've big Problems with terrain generation. Since I updated to 1.0.1 the server is "overloaded" if one or more players "run" into new chunks. Sometime the freezes for 10 minutes and kicks everybody with a "read timed out". The Server is running on 4x3,2GHZ XEON and 16GB, we never had this problem in 1.8.1... In the last version we c0uld generate terrain with 3-5 player and it worked fine...

    Some else have same Problems? Possible fixes?
     
  2. Offline

    Chaositic

    Friendly Bump.

    I've basically having similar problems to this and I'm surprised no one has responded to this thread nor mine. Only difference between our issues is that when someone on my server loads new chunks, they get a huge endofstream error and then when they connect again, they get stuck at "Loading Terrain" screen and eventually a Read Time Out.
     
  3. Offline

    waflija

    right. Sometimes get a "endofstream" or similar, too. After some got that, he has to wait 10min and restart his client :(
     
  4. Offline

    efstajas

    I also realized that the server is having by far less ticks when somebody flys around generating new terrain. The CPU isn't overworked though and there's plenty of RAM left, too...
     
  5. Offline

    waflija

    I'm experiencing a very high load up to 180% on a single core, but I had around 40-70% in 1.8.1. (Which is what I expect, because minecraft is not multi threaded and CAN'T use more than one core...)

    What is your load per core?
     
  6. Offline

    efstajas

    I have a xenon quad core cpu and none of the cores has more than 50% usage... weird
     
  7. Offline

    waflija

    Are yourunning a 32bit or 64bit System?

    I will try to upgrade Java... Maybe this helps.
     
  8. Offline

    waflija

    My CPU usage after updating to the dev build 11w50a and updating java to the newest version. It is better, now. But we still have some problems with lags and time outs.

    Code:
    12:26:45 PM  CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest   %idle
    12:26:55 PM  all   12.61    0.00    0.06    0.15    0.00    0.00    0.00    0.00   87.17
    12:26:55 PM    0    0.10    0.00    0.20    0.00    0.00    0.00    0.00    0.00   99.71
    12:26:55 PM    1    0.10    0.00    0.10    0.00    0.00    0.00    0.00    0.00   99.80
    12:26:55 PM    2    0.70    0.00    0.20    1.19    0.00    0.00    0.00    0.00   97.91
    12:26:55 PM    3    0.10    0.00    0.10    0.00    0.00    0.00    0.00    0.00   99.80
    12:26:55 PM    4    0.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00  100.00
    12:26:55 PM    5    0.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00  100.00
    12:26:55 PM    6    0.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00  100.00
    12:26:55 PM    7  100.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00
    
     
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