Spark Doctor

Drop a Spark profile or share-link and get a comprehensive server-performance review: config issues, plugin CPU attribution, TPS/MSPT timeline, GC tuning hints — grounded in the YouHaveTrouble optimization wiki.

Load a Spark profile

Paste a share-link, drop the JSON file, or paste the raw JSON. Everything runs in your browser.

spark.lucko.me link or ID

Upload profile (.sparkprofile or .json)Drop a .sparkprofile binary or a raw-JSON export. Binary contains the full thread tree.

Paste raw JSON

How to capture a profile

Run /spark profiler --timeout 300 on the server, then click the link spark gives you. Paste it here.