''Can't keep up'' Console spam, please help.

Discussion in 'Bukkit Help' started by TheDaddyPeanut, Feb 25, 2011.

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  1. Offline

    TnT

    Can you post your new server log and post the contents of your batch file again? What are your system specs?
     
  2. Offline

    Novemberman

    pc specs: windows 7
    intel core 13cpu 540 @ 3.07ghz
    8gig ram


    Code:
       1.
          2011-03-09 08:23:37 [INFO] [PLAYER_COMMAND] stormone: /warp del
       2.
          2011-03-09 08:23:42 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
       3.
          2011-03-09 08:23:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
       4.
          2011-03-09 08:23:50 [INFO] <§bSherriff §fDengel§f§f> but for some reason i just have 16x16 ... and i am alone there :(
       5.
          2011-03-09 08:23:50 [INFO] [PLAYER_COMMAND] stormone: /home
       6.
          2011-03-09 08:23:50 [INFO] [PLAYER_COMMAND] Dengel: /warp del
       7.
          2011-03-09 08:23:56 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
       8.
          2011-03-09 08:24:04 [INFO] <§bSherriff §fDengel§f§f> u but u need a warp ! :D
       9.
          2011-03-09 08:24:09 [INFO] Dengel lost connection: disconnect.quitting
      10.
          2011-03-09 08:24:09 [INFO] <§bSherriff §fstormone§f§f> its /warp del
      11.
          2011-03-09 08:24:14 [INFO] Freed 48.244346618652344 MB.
      12.
          2011-03-09 08:24:14 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      13.
          2011-03-09 08:24:14 [INFO] Dengel [/91.60.179.81:49596] logged in with entity id 738941
      14.
          2011-03-09 08:24:20 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      15.
          2011-03-09 08:24:22 [INFO] <§bSherriff §fstormone§f§f> is it?
      16.
          2011-03-09 08:24:27 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      17.
          2011-03-09 08:24:34 [INFO] <§bSherriff §fstormone§f§f> is it /warp del?
      18.
          2011-03-09 08:24:34 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      19.
          2011-03-09 08:24:42 [INFO] <§bSherriff §fDengel§f§f> yes :)
      20.
          2011-03-09 08:24:42 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      21.
          2011-03-09 08:24:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      22.
          2011-03-09 08:24:57 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      23.
          2011-03-09 08:25:05 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      24.
          2011-03-09 08:25:05 [INFO] <§bSherriff §fstormone§f§f> it killed me
      25.
          2011-03-09 08:25:12 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      26.
          2011-03-09 08:25:13 [INFO] <§bSherriff §fDengel§f§f> arf -.-
      27.
          2011-03-09 08:25:19 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      28.
          2011-03-09 08:25:27 [INFO] <§bSherriff §fDengel§f§f> was loading too slow ?
      29.
          2011-03-09 08:25:27 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      30.
          2011-03-09 08:25:32 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      31.
          2011-03-09 08:25:40 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      32.
          2011-03-09 08:25:49 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      33.
          2011-03-09 08:25:53 [INFO] <§bSherriff §fstormone§f§f> is the warp on a half step?
      34.
          2011-03-09 08:25:54 [INFO] <§bSherriff §fDengel§f§f> i sometimes lose energy too if i warp and the map isnt building fast enough -.-.
      35.
          2011-03-09 08:25:58 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      36.
          2011-03-09 08:26:05 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      37.
          2011-03-09 08:26:05 [INFO] <§bSherriff §fDengel§f§f> nop
      38.
          2011-03-09 08:26:12 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      39.
          2011-03-09 08:26:22 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      40.
          2011-03-09 08:26:22 [INFO] <§bSherriff §fDengel§f§f> there arent any goods lying from u too :(
      41.
          2011-03-09 08:26:25 [INFO] Performing console command save-all
      42.
          2011-03-09 08:26:25 [INFO] CONSOLE: Forcing save..
      43.
          2011-03-09 08:26:26 [INFO] CONSOLE: Save complete.
      44.
          2011-03-09 08:26:26 [INFO] <§bSherriff §fstormone§f§f> hmmm wel thats good i lost all my diamond stuff D:
      45.
          2011-03-09 08:26:31 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      46.
          2011-03-09 08:26:33 [INFO] <§bSherriff §fDengel§f§f> :////////
      47.
          2011-03-09 08:26:39 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      48.
          2011-03-09 08:26:41 [INFO] <§bSherriff §fstormone§f§f> not your folt tho
      49.
          2011-03-09 08:26:47 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      50.
          2011-03-09 08:26:54 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      51.
          2011-03-09 08:27:03 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      52.
          2011-03-09 08:27:10 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      53.
          2011-03-09 08:27:10 [INFO] A plugin cancelled the block stop break event
      54.
          2011-03-09 08:27:12 [INFO] A plugin cancelled the block stop break event
      55.
          2011-03-09 08:27:13 [INFO] <§bSherriff §fDengel§f§f> yes :( but i feel responsible cause u wanted to see my village... xD
      56.
          2011-03-09 08:27:19 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      57.
          2011-03-09 08:27:28 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      58.
          2011-03-09 08:27:37 [INFO] <§bSherriff §fstormone§f§f> the warps are a bit laggy on this server
      59.
          2011-03-09 08:27:37 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      60.
          2011-03-09 08:27:45 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      61.
          2011-03-09 08:27:50 [INFO] <§bSherriff §fDengel§f§f> yep
      62.
          2011-03-09 08:27:54 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      63.
          2011-03-09 08:28:02 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      64.
          2011-03-09 08:28:10 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      65.
          2011-03-09 08:28:13 [INFO] /173.234.147.81:50983 lost connection
      66.
          2011-03-09 08:28:19 [INFO] <§bSherriff §fDengel§f§f> your are from europe too ? :D
      67.
          2011-03-09 08:28:19 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      68.
          2011-03-09 08:28:28 [INFO] <§bSherriff §fstormone§f§f> yeh
      69.
          2011-03-09 08:28:28 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      70.
          2011-03-09 08:28:37 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      71.
          2011-03-09 08:28:41 [INFO] <§bSherriff §fDengel§f§f> :)
      72.
          2011-03-09 08:28:47 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      73.
          2011-03-09 08:28:56 [INFO] <§bSherriff §fDengel§f§f> we are too less... to less players afternoons here :/
      74.
          2011-03-09 08:28:56 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      75.
          2011-03-09 08:29:04 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      76.
          2011-03-09 08:29:12 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      77.
          2011-03-09 08:29:13 [INFO] <§bSherriff §fstormone§f§f> yeh
      78.
          2011-03-09 08:29:20 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      79.
          2011-03-09 08:29:28 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      80.
          2011-03-09 08:29:36 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      81.
          2011-03-09 08:29:44 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      82.
          2011-03-09 08:29:45 [INFO] <§bSherriff §fstormone§f§f> well im going offline for 30-60 mins
      83.
          2011-03-09 08:29:49 [INFO] stormone lost connection: disconnect.quitting
      84.
          2011-03-09 08:29:58 [INFO] Freed 0.31443023681640625 MB.
      85.
          2011-03-09 08:29:59 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      86.
          2011-03-09 08:29:59 [INFO] <§bSherriff §fDengel§f§f> ok cu later
      87.
          2011-03-09 08:30:14 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      88.
          2011-03-09 08:30:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      89.
          2011-03-09 08:31:22 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      90.
          2011-03-09 08:31:53 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      91.
          2011-03-09 08:32:26 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      92.
          2011-03-09 08:33:01 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      93.
          2011-03-09 08:33:07 [INFO] Performing console command save-all
      94.
          2011-03-09 08:33:07 [INFO] CONSOLE: Forcing save..
      95.
          2011-03-09 08:33:08 [INFO] CONSOLE: Save complete.
      96.
          2011-03-09 08:33:13 [INFO] /173.234.147.81:49496 lost connection
      97.
          2011-03-09 08:33:29 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      98.
          2011-03-09 08:34:01 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
      99.
          2011-03-09 08:34:39 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     100.
          2011-03-09 08:35:15 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     101.
          2011-03-09 08:35:47 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     102.
          2011-03-09 08:36:18 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     103.
          2011-03-09 08:36:47 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     104.
          2011-03-09 08:37:17 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     105.
          2011-03-09 08:37:46 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     106.
          2011-03-09 08:38:15 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     107.
          2011-03-09 08:38:15 [INFO] /173.234.147.81:34914 lost connection
     108.
          2011-03-09 08:38:39 [INFO] Performing console command save-all
     109.
          2011-03-09 08:38:39 [INFO] CONSOLE: Forcing save..
     110.
          2011-03-09 08:38:43 [INFO] CONSOLE: Save complete.
     111.
          2011-03-09 08:38:43 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     112.
          2011-03-09 08:39:13 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     113.
          2011-03-09 08:39:41 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     114.
          2011-03-09 08:40:09 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     115.
          2011-03-09 08:40:31 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     116.
          2011-03-09 08:40:57 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     117.
          2011-03-09 08:41:24 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     118.
          2011-03-09 08:41:52 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     119.
          2011-03-09 08:42:23 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     120.
          2011-03-09 08:42:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     121.
          2011-03-09 08:42:51 [INFO] novemberman [/70.81.250.120:31728] logged in with entity id 772795
     122.
          2011-03-09 08:42:57 [INFO] [PLAYER_COMMAND] novemberman: /list
     123.
          2011-03-09 08:42:57 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     124.
          2011-03-09 08:43:03 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     125.
          2011-03-09 08:43:10 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     126.
          2011-03-09 08:43:16 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     127.
          2011-03-09 08:43:16 [INFO] /173.234.147.81:40304 lost connection
     128.
          2011-03-09 08:43:22 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     129.
          2011-03-09 08:43:22 [INFO] [PLAYER_COMMAND] novemberman: /broadcast rebooting server
     130.
          2011-03-09 08:43:28 [INFO] <§bSherriff §fDengel§f§f> hey ho nov
     131.
          2011-03-09 08:43:28 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     132.
          2011-03-09 08:43:34 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
     133.
          2011-03-09 08:43:34 [INFO] CONSOLE: Stopping the server..
    
    [MERGETIME="1299688623"][/MERGETIME]
    that one was from this morning
     
  3. Bukkit is only single threaded, this is why it lags even on supercomputers.

    dont forget that java is slow to.
     
  4. Offline

    TnT

    Try turning off hyperthreading - I have seen reports of it causing lag.
     
  5. Offline

    kwg

    Code:
    @echo off
    java -Xincgc -Xmx1G -jar craftbukkit-0.0.1-SNAPSHOT.jar nogui
    pause
    if you renamed your craftbukkit-0.0.1-SNAPSHOT.jar the name it the same in the bat file.

    edit: i have win7_x64 and have launched a server with that .bat. i am trying to reproduce the error.
    edit2: I can not reproduce the error. I have even tried making the server use 128M only as well as 32bit and 64bit java. pondering creating a vm to see if different network cards can get this.
     
  6. Offline

    Novemberman


    ya i forgot to remove the snaphot part the first time. i have it running but i still get the warning messages
     
  7. Offline

    TnT

    Did you turn off hyperthreading as I suggested?
     
  8. Offline

    Novemberman


    and how would i do that ?
     
  9. Offline

    TnT

    In the BIOS you should have an option.
     
  10. Offline

    Novemberman

    well i have tried that and now my cpu is going from 10% to 70% every 5 second it changes and i dont like that also after 30 mintues of server uptime i started getting the same message
     
  11. Offline

    TnT

    Its is an improvement over what was happening before though, right? CPU usage fluctuating isn't a bad thing, btw.
     
  12. Offline

    Novemberman

    not really mostly same i get the warning system after 30minutes online and then after an other 10 minutes it starts spamming the message and we start getting lag and block lag
     
  13. Offline

    woodzy

    well of are getting that as well i see.... i run a VPS liunx server 4cores 8GB ram 50GB hd and unlimted up-down speed it would seen and minecart mainea is locking up my server =(
    oh lord please give me back my #493 craft bukkit!!!
     
  14. Offline

    TnT

    Does it still occur if you remove all plugins?
     
  15. Offline

    woodzy

    ok i have fixed it, i had to update to craftbukkit #533 (shit what one do i have downloadit it yeaterday)
    then i redownloaded ALL of my plugins re did my permissons. i pretty much setup a NEW server
    i even have a NEW map.
     
  16. Offline

    sesopenko

    I had that error constantly when hosted on a P4 3.2 GHZ windows xp machine with 2GB ram. If I run minecraft server on my windows 7 x64 system at home (core 2 duo at 3.6 GHZ, 8GB ram) it also gets the system can't keep up message.

    We tested it out at work on an Ubuntu x64 server system with Dual Xeon 2.0 GHZ cpu's and 4GB ram and the messages disappeared. We finally had to deploy the system for it's destined use, however ;). I now run minecraft survival multiplayer on an ubuntu x64 server 10.10 box with Athlon X3 3.2 GHZ and 4GB ram with no trouble. That's with a busy web site running at the same time on the same machine (over 20k page views per day).

    Windows just isn't the right platform to be serving anything on...
     
  17. Offline

    Novemberman

    is ubuntu a system like windows and is it easy to install ?
     
  18. Offline

    Pro457

    Same problem for my buy I am running my server with 3 ram with no lag whatsoever but after about 3 hours of running it it will start spamming it a ton and then my server will crash. I am running it using 3 Ram, Windows 7 64 Bit, and I do not get the not enough ram message.
     
  19. Offline

    flaaghara

    Reviving a 4 month old post? >.< The error just means that people are moving too quickly for the level to load. For example, 4 players are all moving in opposite directions at the same time, non-stop. The level will load for only one of them at a time, and if one of them steps into the unloaded lag hole, it'll start spamming the message. It's just a safety precaution, but in essence the message is harmless.
     
  20. Offline

    Mrlovecraft

    THIS OCCURS WHEN YOU DROP BELOW 19.7 CLICKS ACCORDING TO BUKKIT OR MINECRAFT..
    nuf said..
    a 3ghz proc will not give you this error unless your serverly overloading the cpu
    i have a 16 core 8 gig mem badass server.. since the cores are only 2 ghz.. i get this message ALL DAY
    server never lags and no one complains. ...
    I found this thread to find a way to remove the message because its useless.
    My server can handle all the cpu it needs it has dynamic threading ofc. and the only thing on it thats NOT multithreaded is the Minecraft.jar :D

    (if anyone knows how to DISABLE) this message .. id give you 5 bucks lol)

    its SOOOO annoying! and i cant get any usfull data from my console because of it.

    no lag.. just spam.. horrible!
     
  21. Offline

    TheMadMan697

    I have been using a plugin called obuShutTheHellUp to disable these warning messages.
    If i am not mistaken there is also an option in worldguard that can disable the tick warnings.

    Code:
    suppress-tick-sync-warnings: true
    Wheres my 5 bucks :p
     
  22. Offline

    Mrlovecraft


    Ill Make you member on my server :D Thats GOT TO BE worth 5 Bucks :D!! but I think i have tick warning off.. Ill check it again. Thanks for the plugin drop too. You may have saved my day :D
     
  23. Offline

    CREEP57

    I Have A Problem That I Can't Fix. [WARNING] Can't keep up! Did the system time change, or is the server overloaded? Its Spamming Me And It Fills Up The Server.log So Every Hour I Have To Empty The Server.Log To Keep The Server From Crashing. Can Anyone Help me?
     
  24. Offline

    Evangon

    It's basically saying the sever is lagging.
    But, under certain circumstances, it will spam this even if it isn't lagging.
    There normally isn't a way to solve this. You can solve it sometimes by using plugins to filter it out :/
     
  25. Offline

    robotmaker01

    :)i know how to fix it:)not really to fix but know how to disable the "cant keep up"Warning.:)
    1.go to your server directory.
    2.open "bukkit.yml"
    3.find setting and set "warn on reload"to false.
    [creeper]good luck[creeper]

    :)i know how to fix it:)not really to fix but know how to disable the "cant keep up"Warning.:)
    1.go to your server directory.
    2.open "bukkit.yml"
    3.find setting and set "warn on reload"to false.
    [creeper]good luck[creeper]

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

    jlmdroid

    I'll be honest, this only happens to me because someone is worldedit-ing a lot of shit at once.
    I used to get this spam all the time though... until I reduced the amount of resource intensive objects. Fire, redstone circuitry, flowing water and anything that has to do with movement. I used to have massive buildings covered in fire, that lagged my server hard. What I did was download a random fire killer, so if lightning strikes and leaves fire, it is killed, and worldguard stops fires from spreading, so it works fairly well. Also, I changed clock circuits to minecart with detector rail circuits, and that reduces lag by a lot, depending on your size of circuit.

    Just remember, those warnings are because the server is saying "Hey, something is making me slow down and I want to go faster, but..", you know? As long as you have a good CPU, plenty of RAM, and a fast writing HDD, you should be good. So, use this checklist to figure out what you need to work on. :)

    (yes, I realize this is old. I'm sure people look at this post every day though. thanks.)
     
  27. Offline

    BrianGamesLOL

    This is caused by pc lag its nothing really even my server gets it
    sometimes. you can never completely fix it.
     
  28. Offline

    XboxFest

    Ok this is BULL. Things I have tried:
    - Disabling plugins 1 at a time.
    Result: [WARNING] Can't keep up! Did the system time change, or is the server overloaded?

    -Disable ALL plugins.
    Result: [WARNING] Can't keep up! Did the system time change, or is the server overloaded?

    -Update bukkit to 1.5.1 R2.0
    Result:[WARNING] Can't keep up! Did the system time change, or is the server overloaded?

    -Remove every world and let it generate new ones
    Result: [WARNING] Can't keep up! Did the system time change, or is the server overloaded?

    -Attempted changing my run code from

    Code:
    @ECHO OFF
    SET BINDIR=%~dp0
    CD /D "%BINDIR%"
    "%ProgramFiles%\Java\jre7\bin\java.exe" -Xincgc -Xms5120M -Xmx5120M -jar craftbukkit.jar
    PAUSE
    to

    Code:
    java -Xms5120M -Xmx5120M -jar craftbukkit.jar -o true
    PAUSE
    Result: [WARNING] Can't keep up! Did the system time change, or is the server overloaded?

    Wtf is going on, seriously.

    The server has been running for almost a month with no problems. What the deal?
     
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