zarb Posted August 13, 2013 Share Posted August 13, 2013 Hi, Im running a tekkit 1.0.6 server on fairly resonable server hardware and have a friend plus myself playing on it. The world is now 4 days old and started lagging for both of us pretty badly yesterday. The lag will occur in spikes (at least once a minute) of maybe 2-5 seconds length and it does not appear to be I/O lag because it doesnt only appear when you interact with inventory blocks (chests/machines). Whenever a lag spike occurs I can see the cpu usage of the server java process climb to 400-700% (whereas 100% means fully utilizing 1 core on linux). I have ran /debug on the server during 2 lag spikes but that appears to be a vanilla command because the interesting parts say "unspecified": http://pastebin.com/j3AQqrNv Is there any real way to debug/diagnose this lag issue without removing every single block we placed and check if that fixes it? More notes about the world maybe: I have restarted the server (process), the lag remains. We also havent created any mystcraft worlds or dimdoors pocket worlds yet. There are however inter-overworld dimdoors. the world has a single chunk loader set to a radius of 1 and 1 turtle running a simple mining program. Ive never experienced this kind of lag before when playing on my own on the server for like 2 months or whatever it was. So Im assuming its something weird my friend built. Now that theres no ic2 anymore, if cant be wiring loops. The only things I know he made and built that I have never touched before are: - powersuit glove and placed maybe 50 lights with it - some weird ME storage system thats like 4x4x4 ... and thats really about it Any pointers? Link to comment Share on other sites More sharing options...
weirleader Posted August 13, 2013 Share Posted August 13, 2013 any lava pumping in the nether? I would actually expect that to cause continuous lag (if you have a lot of flowing lava), as opposed to spikes, but I'm just starting with my most common lag situation. Link to comment Share on other sites More sharing options...
Discord Moderator plowmanplow Posted August 13, 2013 Discord Moderator Share Posted August 13, 2013 One way to combat the "flowing lava lag" problem would be to change this setting: persistantLava=true (change the true to false) in the CodeChickenCore.cfg file. This makes lava decay similar to water when it loses contact with a source block. Link to comment Share on other sites More sharing options...
zarb Posted August 14, 2013 Author Share Posted August 14, 2013 One way to combat the "flowing lava lag" problem would be to change this setting: persistantLava=true (change the true to false) in the CodeChickenCore.cfg file. This makes lava decay similar to water when it loses contact with a source block. seriously? wow that would make up for the lack of 1.6 (which has the same thing... almost). Thanks a lot for this! Also I figured it out in the mean time, thanks for your suggestions tho. Turns out it was a leaking DimDoors pocket world, I didnt notice the server console spam until today :| Link to comment Share on other sites More sharing options...
Teraku Posted August 14, 2013 Share Posted August 14, 2013 Try updating Dimensional Doors, the later versions fix a lot of the lag issues. Link to comment Share on other sites More sharing options...
miniboxer Posted August 15, 2013 Share Posted August 15, 2013 Try updating Dimensional Doors, the later versions fix a lot of the lag issues. And make me pee myself. Link to comment Share on other sites More sharing options...
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