Common Causes of Lag Spikes Heavy Plugin Tasks Plugins like WorldEdit, if used on large areas, can cause spikes. Identify such plugins in the profiler and adjust their usage or settings. Inefficient Mods or Data Packs Look for mods causing high execution times. Update or replace inefficient mods. Resource Overload Large numbers of entities or block updates can cause spikes. Use tools like /kill @e[type=!player] carefully to manage entities. Conclusion Using Spark’s tools, you can efficiently diagnose and address lag spikes on your Minecraft server. The combination of /spark tickmonitor for detection and /spark profiler for detailed analysis ensures you can pinpoint and resolve performance issues quickly. For further assistance or advanced optimization, consult the Spark documentation . Additional Help If you encounter any issues or need further assistance, open a support ticket via the Billing Area . Our support team is ready to assist you.