[/sarcasm]

lag spike detection. So use. Much inform. Wow. Very thanks.

[16:14:01] [Server thread/INFO] [TickProfiler/]: 
Started lag spike detection for 30 seconds.
[16:14:08] [Lag Spike Detector/ERROR] [TickProfiler/]: The server appears to have lag spiked.
Last tick 6.773199s ago."Server thread" TIMED_WAITING
	at java.lang.Thread.sleep(Native Method)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:475)
	at java.lang.Thread.run(Unknown Source)


[16:14:23] [Server thread/DEBUG] [FML/]: Gathering id map for writing to world save world_test
[16:14:24] [Lag Spike Detector/ERROR] [TickProfiler/]: The server appears to have lag spiked.
Last tick 0.21589687s ago."Server thread" RUNNABLE (in native)
	at java.io.WinNTFileSystem.delete0(Native Method)
	at java.io.WinNTFileSystem.delete(Unknown Source)
	at java.io.File.delete(Unknown Source)
	at elec332.core.util.IOUtil.writeWithBackup(IOUtil.java:76)
	at elec332.core.util.IOUtil$NBT.writeWithBackup(IOUtil.java:125)
	at elec332.core.server.SaveHandler.save(SaveHandler.java:83)
	at elec332.core.server.SaveHandler.access$100(SaveHandler.java:24)
	at elec332.core.server.SaveHandler$EventHandler.onWorldSave(SaveHandler.java:108)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_256_EventHandler_onWorldSave_Save.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:635)
	at org.spongepowered.mod.event.SpongeForgeEventFactory.callWorldSaveEvent(SpongeForgeEventFactory.java:1190)
	at org.spongepowered.mod.event.SpongeForgeEventFactory.callForgeEvent(SpongeForgeEventFactory.java:482)
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:292)
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:338)
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:326)
	at net.minecraft.world.WorldServer.handler$onSaveAllChunks$zka000(WorldServer.java:2320)
	at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1016)
	at org.spongepowered.common.world.WorldManager.saveWorld(WorldManager.java:516)
	at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:3866)
	at net.minecraft.server.MinecraftServer.constant$getSaveTickInterval$zho000(MinecraftServer.java:3821)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:632)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)
	at java.lang.Thread.run(Unknown Source)


[16:14:39] [Lag Spike Detector/INFO] [TickProfiler/]: 
Lag spike profiling finished.