Chunk Unload make server lag !

Discussion in 'Performance Tweaking' started by Miku_Snow, Mar 8, 2018.

  1. remove MassiveLag then post another timings?
  2. Yes, remove MassiveLag and restart the server. Then do another timing.
  3. upload_2018-3-8_20-39-0.png
    800G SSD
    256G RAM,
    In this server has five skyland server. They are the same.
    But just the first skyland server lag.
    The first skyland has run long time, about 10 month, total joined 100K players.
  4. Try allocating more RAM, switch from 5 to 8 gb in the -Xmx5G.
  5. Not work.
    I have set to 10GB. Still lag.
  6. I used to analyze memory.
    It tell me When chunk unload , save tiles take long time.

    At first I thought it was cause by Furnace. So i have set Furnace placed limit. But it still lag.
  7. Have you tried limiting chests? There are more than 2000 placed somewhere and saving all those chests take a lot. Try locating these chests and removing some.
    • Agree Agree x 1
  8. Someone's skyblock island is probably filled with an insane load of tile entities (chests, furnaces, hoppers, etc). I'm not sure if it's chests or hoppers. You could try this plugin in case they are hoppers.
  9. I will try it~
  10. It not work, server still lag!
  11. Try increasing ASkyBlock's backup interval so it does it less often. It seems to do it every 5 minutes by default. Do you have lag after exactly 5 minutes of startup?

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