服务器加了暮色mod，好像是进入暮色后，服务端开始连续报错，炸服，好一点情况就是大家都很卡，求助谢谢！

图片应该有吧。。
第一次做服务器，请求帮助！！

[23:49:49] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
java.lang.OutOfMemoryError: GC overhead limit exceeded
        at java.util.HashMap.newNode(Unknown Source) ~[?:1.8.0_333]
        at java.util.HashMap.putVal(Unknown Source) ~[?:1.8.0_333]
        at java.util.HashMap.put(Unknown Source) ~[?:1.8.0_333]
        at net.minecraft.nbt.NBTTagCompound.func_74782_a(NBTTagCompound.java:81) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:255) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:12) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:255) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:12) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:19) ~[fy.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:255) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagList.func_74737_b(NBTTagList.java:12) ~[ge.class:?]
        at net.minecraft.nbt.NBTTagCompound.func_74737_b(NBTTagCompound.java:447) ~[fy.class:?]
        at net.minecraft.world.storage.MapStorage.func_75747_a(MapStorage.java:123) ~[bfm.class:?]
        at net.minecraft.world.storage.MapStorage.func_75744_a(MapStorage.java:105) ~[bfm.class:?]
        at net.minecraft.world.WorldServer.func_73042_a(WorldServer.java:1271) ~[oo.class:?]
        at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1212) ~[oo.class:?]
        at catserver.server.WeakWorldSaveManager.onTick(WeakWorldSaveManager.java:49) ~[WeakWorldSaveManager.class:git-CatServer-1.12.2-6eb82ffe]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:867) ~[MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_333]

你这种属于java程序内存溢出，把内存调小一点看看

即（Sun 官方对此的定义：超过98%的时间用来做GC并且回收了不到2%的堆内存时会拋出此异常）

「java.lang.OutOfMemoryError: GC overhead limit exceeded」
从这一条开始java程序内存溢出
你下次再看见他就代表又开始内存溢出然后崩溃

疑似内存溢出
你买的几G内存
推荐换成VPS