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Check Current TPS and CPU Usage
Use /spark tps to see your server's current performance at a glance. This command displays:
- Ticks per second (TPS): Should be 20.0 on a healthy server. Below 20 means lag.
- CPU usage: Percentage of server CPU in use
- Memory usage: Current heap memory consumption
Track Tick Spikes Over Time
For ongoing monitoring, run /spark tickmonitoring to watch for sudden jumps in tick duration. This helps you catch lag spikes as they happen and correlate them with in-game events (e.g., a player loading a new area, a redstone machine activating).
Generate a Full Health Report
For a comprehensive snapshot, use /spark healthreport. This produces a detailed report including:
- Min, max, and average tick times
- Disk space available
- Garbage collection activity
- Memory breakdown by class
Run this periodically (e.g., weekly) to track trends and spot degradation over time.
More guides for this mod
Find What's Causing Server LagInvestigate Memory Leaks and High Memory UsageShare Performance Data With Your Support Team








