Laggy Redstone

Discussion in 'Bukkit Help' started by Leenert, Jan 10, 2012.

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  1. Offline

    Leenert

    Good Evening.
    I've got a problem with laggy redstone...the redstone ist so slow and i don't know why.

    please help me
     
  2. Offline

    Pezmantbh

  3. Offline

    Leenert

    On the root we have debian, latest version.


    x86

    i don't know it specificaly, but it's one of the latest.

    No.

    1337

    I don't know, but it boots with 4 gb ram

    a lot of :D
    here's a screen
    [​IMG]


    No error

    Deleted some plugin, tried /stoplagg, nothin helped


    Yes. When i remove all the plugins or run a vanilla server there is no problem.
     
  4. Offline

    Tylerjd

    Well there's your problem. You are running a gazillion plugins on a server with 4GB's of RAM. I'm not surprised it does. I would install LagMeter and check your TPS. Most likely is is below 10.

    Remove some of those plugins. AFAIK, MinecartMania has not been updated for sometime, and Citizens is a giant RAM hog.

    Also a piece of advice, don't use any vanish plugin aside from one that requires Spout, like VanishNoPacket, as one like Vanish2 AFAIK works in a way that allows for Griefing clients to see the vanished person (it sends the position, just tells the client to "hide" the entity. Those clients exploit this). You can see this in action on a major griefing teAm's VideOs .

    EDIT: Spelling and grammar.
     
  5. Offline

    Leenert

    Well - I installed the Plugin. Most time the TPS is on 5.0, but the free memory on 75 % free ram...
    I deleted some plugins - but we need minecart mania and citizens on the server...

    Is it maybe beacuse we're running on a virtual machine?
     
  6. Offline

    asterious

    5.0 tps instead 20.
    It`s answer of u lagzzzzz.

    My server have plugins:

    [​IMG]

    And ~80 online during the day:

    [​IMG]

    But anyway I have some lags on my Xeon X3330. You should delete alot of your plugins to make server is faster.

    And... You may have 75% free memory, but its bukkit, his need one core about 4GHz to work without lags on 60 online. For 100 online its need 4.6GHz, 150 its need 6GHz...etc. Memory is not important if u have alot of plugins and old cpu.
     
  7. Offline

    Leenert

    And what specific plugins should I delete?
     
  8. Offline

    Pezmantbh

    There is no right or wrong answer to that. The best we can suggest is that you delete unwanted, unneeded, and unused plugins. If they sit there doing nothing, remove them.
     
  9. Offline

    Leenert

    I did so...but nevertheless the tps is under 10. Are there maybe some plugins where it's typical that there are laggs?
     
  10. Offline

    Tylerjd

    If you are on a fast enough computer, no plugins should lag (with an exception to major edits in WE). You mentioned your on a Virtual Machine? What is the virtualization technology (OpenVZ, KVM, Parallels, ESXi, etc.)? Who is the host (OVH, VolumeDrive, Rackspace, etc)?

    I know some hosts, like VolumeDrive, oversell their VPS's running OpenVZ (because it is easy to do).
     
  11. Offline

    Leenert

    I tell you tomorrow on which way we splitted the machine.

    We hate a root form Hetzner, a german company.
    Something new: I tried something...
    every time i restart the server for 10 minutes i have 20 tps. But after 10 minutes it goes down to 6 tps and all 6 to 7 seconds i get a warning message in the console.
    Does this help?

    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
    Last edited by a moderator: May 23, 2016
  12. Offline

    Pezmantbh

    Which error?
     
  13. Offline

    Leenert

    [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     
  14. Offline

    Pezmantbh

    Unless that is happening every second or two you can usually ignore it.
     
  15. Offline

    Leenert

    I know this - But in this case it is always the same - 10 minutes after server start the console shows me this. In the 10 Minutes the TPS is on 20, but nearley exactly after 10 minutes it goes down.
     
  16. Offline

    Pezmantbh

    Please can you run the top command and post a screenshot of the result? Thanks.
     
  17. Offline

    Leenert

    When i type /top i get teleported to the top :D
    You mean /balancetop? Then it show me, that there are 2853 users...
    Or do you mean some other command?
     
  18. He means the linux command. ;)
     
    Pezmantbh likes this.
  19. Offline

    Leenert

    We used OpenVZ....

    Here is the screen:
    [​IMG]



    And our java version:

    uname -a && java -version

    Linux srv102 2.6.32-5-openvz-amd64 #1 SMP Mon Oct 3 05:12:50 UTC 2011 x86_64 GNU/Linux
    java version "1.6.0_26"
    Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
    Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
     
  20. As you may see java (minecraft) eats up more than 100% CPU. That's why it lags.
    Update to java 7, make sure you add -server to your minecraft startup script and, as stated before: Remove plugins. If you're lucky it's just one plugin freaking out after 10 minutes...
     
    Pezmantbh likes this.
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