Server Cant Keep Up With 3GB of RAM?

Discussion in 'Bukkit Help' started by ThirstBuster, Jun 26, 2012.

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  1. Offline

    ThirstBuster

    I've recently decided to set up a server and make it go public, it is going to be a Survival server. Just straight up survival, griefing allowed and PVP allowed! But, I have come upon an error): I am running my server with 3GB of RAM and it is still saying that the server cant keep up! Here is a list of plugins that I have: Essentials, iGates, PluginsBaker, Timber, Vault, and WorldEdit. Thats it! Not many plugins, yet so much lag. Like if I type any command that requires teleporting, generating blocks, or any resource demanding category, it crashes because it cant "Keep Up". Please help!


    From,
    Thirstbuster
     
  2. Offline

    KevinSeabury

    "The can't Keep UP" message usually has nothing to do with RAM. It almost always has to do with your current CPU power and usage. What processor are you running the server on?
     
  3. Offline

    ThirstBuster

  4. Offline

    np98765

    Really?? I thought the whole "Can't keep up! Did the server time run backwards" was because the server wasn't running at a decent speed. I thought this would be attributed to too little RAM...

    Either way, have you tried restarting your computer? It can't hurt...

    On a side note, you should also get WorldGuard :3
     
  5. Offline

    ThirstBuster


    Thanks for the reply! And yeah same here, I thought it was because of RAM too. My processor is pretty good too! I am going to get WorldGuard too, just not until I get rid of the lag): I should also mention that it didn't lag THAT bad until I got essentials.
     
  6. Offline

    np98765

    Well, Essentials is quite a heavy plugin. I mean, it has so much functionality - Just look at the config! It's an amazing plugin, nevertheless. And so is WorldGuard, of course. :)

    Hmmm... Well, it could be your processor, but I think it's your RAM... I think RAM usage it is displayed on Ctrl+Alt+Delete for PCs... I'm not sure... On Macs, you can open Activity Monitor.

    Anyways, take a look at your active RAM. If it's pretty high, restart your computer, look at the RAM. Start the server, look at the RAM. Make the server lag (by "teleporting, generating blocks, or any resource demanding category"), and look at the RAM. Write down the results and post them. Only then will you be able to tell if it's the RAM or some other reason.
     
  7. Offline

    ThirstBuster

    I have 6GB or RAM total, and even when the server is lagging REALLY bad and it is near crashing, The RAM usage is only at 1.2-1.6GB
     
  8. Offline

    np98765

    Yep. Unless you allocated your RAM incorrectly, it seems like your processor (or some other issue) to me.
     
  9. Offline

    ThirstBuster

    Ok thanks, Ill do more research on it

    Can you tell me the correct way to allocate 3GB or RAM to my server? like what do I put for -Xmx and -Xms? I have been putting 3G because i have a 64 bit operating system and 64 bit Java

    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
    Last edited by a moderator: May 26, 2016
  10. Offline

    Zerco

    My batch file consists of the below. You can put higher than 1536, just double for 3G, so say 3072. I have a Core2Quad @ 3.25Gb RAM using WinXP and I rarely have issues with 10 people and 28 plugins, that is unless I do something stupid with WorldEdit.

    Code:
    @echo off
    java -Xincgc -Xmx1536M -jar craftbukkit.jar nogui
    pause
     
  11. Offline

    ThirstBuster

    Ok well I never did fix the lag... I just gave up on the server... but I would like to get it started again! I want to try and overclock my CPU a LITTLE bit to boost it to maybe 2.3ghz instead of 2.0ghz But the only problem is that I have a laptop and they are very prone to overheating.... I have a good fan that keeps my CPU at 50 degrees Celcius even when playing minecraft on full settings, also it keeps my motherboard at about 50 degrees Celcius. So do you guys thing i should overclock my CPU a little bit?
     
  12. Your CPU is the issue here, you are running Minecraft on a single core at 2.0 ghz, its nothing compared to what it should be receiving.
     
  13. Offline

    ThirstBuster

    My CPU is a quad core with eight threads, not a single core. If you read the link i posted that shows all the specs, it states "# of Cores: 4" "# of Threads: 8".

    And it also says Max Turbo Frequency is 2.9GHz So im guessing thats the max I can overclock to. I might try and overclock to about 2.4 or 2.5GHz

    Sincerely,
    ThirstBuster
     
  14. Offline

    Joshyy

    You can't overclock an intel processor that doesn't have a K after it.


    As for your can't keep up errors. I'd assume you were on Wifi with a laptop?
     
  15. Offline

    mmorton89

    Well MC is single threaded so your multi-core processor isn't helping there, second do not run a craftbukkit server off a laptop (lolz) third don't over clock your CPU, doesn't seem that you know what you are doing because your turbo frequency is what your CPU will run at max load.
     
  16. Offline

    ThirstBuster


    Yes I was, and please keep in mind, this server would only have about 5-10 people.
     
  17. Offline

    Joshyy

    That'll be your problem, I used to run a 10 person server off an old AMD Sempron with 2gb of RAM, I tripeed over the Ethernet cable one day and decided to hook it up to WiFi while I get a new cable, It was crashing every 30 seconds. Either Ethernet it or just find a server host, There's some out there (people who host mine for example) that host for 10$ a GB
     
  18. Offline

    ThirstBuster

    Ahh! Ok, thank you! I was unsure of what I knew, and thanks a lot for confirming my doubts XD I guess I'll just stick to a small vanilla server for me and my friends):


    Only one problem): I have no way to pay for it.... I am trying to make Texture packs and mods for donations, but no matter how many people say my mods and texturepacks are amazing... People never donate:/ But this was just going to be a temp server until I can find out a way to pay for the hosting. But thanks anyway guys! And If you want to donate you can! take a look at my Mods, and texturepacks here: http://www.minecraftforum.net/topic/1186297-125more-recipes-and-things-mrat/ and here: http://www.planetminecraft.com/texture_pack/velocity-x16-wip/

    And once again! Thanks for the info guys!

    Sincerely,
    Thirstbuster

    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
    Last edited by a moderator: May 26, 2016
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