Server Lags, CPU Usage at 100%, what do i do???
can anyone help me out? my server's cpu usage is wayyy too high, this is it on idle, when i join and fly around wiht an elytra it struggles to keep up and keeps telling me its overloaded 
https://spark.lucko.me/SOFkMIvylj
[23:42:38] [Server thread/INFO]: AJSlashkiller joined the game
[23:42:38] [Server thread/INFO]: [showmeyourskin] Client of AJSlashkiller accepted server config.
[23:42:38] [Server thread/INFO]: Channel update: AJSlashkiller -> default
[23:42:38] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 2255ms or 45 ticks behind
[23:42:38] [Server thread/INFO]: [do_a_barrel_roll] Client of AJSlashkiller accepted server config.
[23:42:38] [Server thread/INFO]: [voicechat] Received secret request of AJSlashkiller (18)
[23:42:38] [Server thread/INFO]: [voicechat] Sent secret to AJSlashkiller
[23:42:40] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Successfully authenticated player a44192fb-2268-3128-9da1-810c3ccb9073
[23:42:41] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Successfully validated connection of player a44192fb-2268-3128-9da1-810c3ccb9073
[23:42:41] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Player AJSlashkiller (a44192fb-2268-3128-9da1-810c3ccb9073) successfully connected to voice chat
[23:42:52] [DH-PriorityTaskPicker Thread[0]/INFO]: WorldGen requiring minecraft:structure_references outside expected range detected. Force passing EMPTY chunk and seeing if it works.
[23:43:02] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 8816ms or 176 ticks behind[23:42:38] [Server thread/INFO]: AJSlashkiller joined the game
[23:42:38] [Server thread/INFO]: [showmeyourskin] Client of AJSlashkiller accepted server config.
[23:42:38] [Server thread/INFO]: Channel update: AJSlashkiller -> default
[23:42:38] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 2255ms or 45 ticks behind
[23:42:38] [Server thread/INFO]: [do_a_barrel_roll] Client of AJSlashkiller accepted server config.
[23:42:38] [Server thread/INFO]: [voicechat] Received secret request of AJSlashkiller (18)
[23:42:38] [Server thread/INFO]: [voicechat] Sent secret to AJSlashkiller
[23:42:40] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Successfully authenticated player a44192fb-2268-3128-9da1-810c3ccb9073
[23:42:41] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Successfully validated connection of player a44192fb-2268-3128-9da1-810c3ccb9073
[23:42:41] [VoiceChatPacketProcessingThread/INFO]: [voicechat] Player AJSlashkiller (a44192fb-2268-3128-9da1-810c3ccb9073) successfully connected to voice chat
[23:42:52] [DH-PriorityTaskPicker Thread[0]/INFO]: WorldGen requiring minecraft:structure_references outside expected range detected. Force passing EMPTY chunk and seeing if it works.
[23:43:02] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 8816ms or 176 ticks behindhttps://spark.lucko.me/SOFkMIvylj
