Spark mod is a powerful Minecraft mod designed to help you pinpoint and resolve performance bottlenecks on both clients and servers. Its lightweight CPU profiler samples activity for as little as 30 seconds to build a clear call graph, so you can immediately see which processes are causing lag, low tick rates, or high CPU usage. With zero configuration needed—just install the plugin or mod—and an easy-to-read tree structure (with optional deobfuscation mappings), Spark makes diagnosing frame drops and slowdowns straightforward, even in production environments.
Beyond CPU profiling, Spark offers memory inspection tools and server health reporting to keep your world running smoothly. You can take quick heap summaries or full HPROF dumps to analyze memory usage and instance counts, monitor garbage collection events to understand pauses, and view real-time metrics like TPS, tick durations, CPU and memory usage, and disk space. By alerting you when individual ticks exceed thresholds, Spark lets you catch performance spikes as they happen. Whether you’re hosting a large multiplayer map download or running intensive redstone contraptions, the Spark mod gives you the insights you need to optimize your Minecraft experience.
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