So I keep getting lag spikes on my server, this is a quick debug log with my console spamming 
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels.world minecraft:overworld.tick.chunkSource.chunks.pollingChunks' took aprox 137.510949 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels.world minecraft:overworld.tick.chunkSource.chunks' took aprox 138.624164 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels.world minecraft:overworld.tick.chunkSource' took aprox 139.261158 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels.world minecraft:overworld.tick' took aprox 161.759401 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels.world minecraft:overworld' took aprox 162.22088 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick.levels' took aprox 162.617609 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root.tick' took aprox 163.137837 ms
[17:30:25] [Server thread/WARN]: Something's taking too long! 'root' took aprox 163.334771 ms